Re: [knot-resolver-users] Unable to resolve some domains

14 Říj 2020

Thanks! Got verbose logging. But not sure what is the issue. Attaching logs.

First few lines:
    [00000.00][plan] plan 'costco.ca.' type 'A' uid [50260.00]
    [50260.00][iter]   'costco.ca.' type 'A' new uid was assigned .01,
parent 
uid .00
    [50260.01][cach]   => skipping exact RR: rank 030 (min. 030), new TTL 
-25111268
    [50260.01][cach]   => no NSEC* cached for zone: costco.ca.
    [50260.01][cach]   => skipping zone: costco.ca., NSEC, hash 0;new TTL 
-123456789, ret -2
    [50260.01][cach]   => skipping zone: costco.ca., NSEC, hash 0;new TTL 
-123456789, ret -2
    [50260.01][zcut]   found cut: costco.ca. (rank 010 return codes: DS 1, 
DNSKEY 1)
    [50260.01][resl]   => NS is provably without DS, going insecure

And got some malformed response

    [50260.04][iter]     <= malformed response (parsed 12)

Thanks,
Bala

On Wednesday, October 14, 2020 2:12:46 PM EDT Vladimír Čunát wrote:
...
  On 10/14/20 8:09 PM, Balakrishnan Balasubramanian
wrote:
  I added verbose() at the end of kresd conf,
don't see any verbose output.
 Is that the right place to add?  
 It's the right place but verbose(true) turns it on and verbose(false)
 turns it off. 

-- Logs begin at Mon 2020-06-15 10:32:44 EDT. --
Oct 14 14:39:26 zadesk kresd[986850]: [59216.15][iter]    
'dmtu.mt.ns.els-gms.att.net.' type 'A' new uid was assigned .16, parent
uid .10
Oct 14 14:39:26 zadesk kresd[986850]: [59216.16][wrkr]     canceling query due to exceeded
timeout retries limit of 4
Oct 14 14:39:26 zadesk kresd[986850]: [59216.09][resl]     AD: request NOT classified as
SECURE
Oct 14 14:39:26 zadesk kresd[986850]: [59216.16][resl]     finished: 8, queries: 1,
mempool: 16400 B
Oct 14 14:39:26 zadesk kresd[986850]: [59216.16][resl]     AD: request NOT classified as
SECURE
Oct 14 14:39:26 zadesk kresd[986850]: [59216.23][resl]     finished: 8, queries: 2,
mempool: 16400 B
Oct 14 14:39:29 zadesk kresd[986850]: [io] => closing connection to
'99.99.99.130#00053'
Oct 14 14:39:33 zadesk kresd[986850]: [io] => closing connection to
'68.94.156.128#00053'
Oct 14 14:39:34 zadesk kresd[986850]: [io] => closing connection to
'99.99.99.128#00053'
Oct 14 14:39:36 zadesk kresd[986850]: [io] => closing connection to
'68.94.156.130#00053'
Oct 14 14:39:51 zadesk kresd[986850]: [00000.00][plan] plan 'costco.ca.' type
'A' uid [50260.00]
Oct 14 14:39:51 zadesk kresd[986850]: [50260.00][iter]   'costco.ca.' type
'A' new uid was assigned .01, parent uid .00
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][cach]   => skipping exact RR: rank 030
(min. 030), new TTL -25111268
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][cach]   => no NSEC* cached for zone:
costco.ca.
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][cach]   => skipping zone: costco.ca.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][cach]   => skipping zone: costco.ca.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][zcut]   found cut: costco.ca. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][resl]   => NS is provably without DS,
going insecure
Oct 14 14:39:51 zadesk kresd[986850]: [50260.01][plan]   plan
'dbru.br.ns.els-gms.att.net.' type 'AAAA' uid [50260.02]
Oct 14 14:39:51 zadesk kresd[986850]: [50260.02][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .03, parent
uid .01
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][cach]     => skipping exact RR: rank
030 (min. 000), new TTL -12557500
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][cach]     => skipping unfit NS packet:
rank 030, new TTL -12557500
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][cach]     => no NSEC* cached for zone:
att.net.
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][zcut]     found cut: att.net. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][resl]     => NS is provably without
DS, going insecure
Oct 14 14:39:51 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.128,
score 2558
Oct 14 14:39:51 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.130,
score 2457
Oct 14 14:39:51 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.130,
score 2530
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][resl]     => id: '31063'
querying: '68.94.156.130#00053' score: 1424 zone cut: 'att.net.' qname:
'ELS-GMs.att.Net.' qtype: 'NS' proto: 'udp'
Oct 14 14:39:51 zadesk kresd[986850]: [50260.03][resl]     => id: '31063'
querying: '99.99.99.130#00053' score: 1424 zone cut: 'att.net.' qname:
'ELS-GMs.att.Net.' qtype: 'NS' proto: 'udp'
Oct 14 14:39:52 zadesk kresd[986850]: [50260.03][resl]     => id: '31063'
querying: '68.94.156.128#00053' score: 1424 zone cut: 'att.net.' qname:
'ELS-GMs.att.Net.' qtype: 'NS' proto: 'udp'
Oct 14 14:39:52 zadesk kresd[986850]: [50260.03][resl]     => id: '31063'
querying: '99.99.99.128#00053' score: 1424 zone cut: 'att.net.' qname:
'ELS-GMs.att.Net.' qtype: 'NS' proto: 'udp'
Oct 14 14:39:53 zadesk kresd[986850]: [00000.00][plan] plan 'costco.ca.' type
'A' uid [50260.00]
Oct 14 14:39:53 zadesk kresd[986850]: [50260.00][iter]   'costco.ca.' type
'A' new uid was assigned .01, parent uid .00
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][cach]   => skipping exact RR: rank 030
(min. 030), new TTL -25111270
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][cach]   => no NSEC* cached for zone:
costco.ca.
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][cach]   => skipping zone: costco.ca.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][cach]   => skipping zone: costco.ca.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][zcut]   found cut: costco.ca. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][resl]   => NS is provably without DS,
going insecure
Oct 14 14:39:53 zadesk kresd[986850]: [50260.01][plan]   plan
'dbru.br.ns.els-gms.att.net.' type 'AAAA' uid [50260.02]
Oct 14 14:39:53 zadesk kresd[986850]: [50260.02][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .03, parent
uid .01
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][cach]     => skipping exact RR: rank
030 (min. 000), new TTL -12557502
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][cach]     => skipping unfit NS packet:
rank 030, new TTL -12557502
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][cach]     => no NSEC* cached for zone:
att.net.
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][zcut]     found cut: att.net. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][resl]     => NS is provably without
DS, going insecure
Oct 14 14:39:53 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.130,
score 2457
Oct 14 14:39:53 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.130,
score 2530
Oct 14 14:39:53 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.128,
score 2558
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][wrkr]     => server:
'68.94.156.130#00053' flagged as 'bad'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][wrkr]     => server:
'99.99.99.130#00053' flagged as 'bad'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][wrkr]     => server:
'68.94.156.128#00053' flagged as 'bad'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][wrkr]     => server:
'99.99.99.128#00053' flagged as 'bad'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .04, parent
uid .01
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][resl]     => id: '59708'
querying: '68.94.156.128#00053' score: 1424 zone cut: 'att.net.' qname:
'elS-GmS.atT.neT.' qtype: 'NS' proto: 'tcp'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][wrkr]     => connecting to:
'68.94.156.128#00053'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.03][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .04, parent
uid .01
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][resl]     => id: '16361'
querying: '68.94.156.130#00053' score: 1424 zone cut: 'att.net.' qname:
'ELs-GMs.atT.NET.' qtype: 'NS' proto: 'tcp'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][wrkr]     => connecting to:
'68.94.156.130#00053'
Oct 14 14:39:53 zadesk kresd[986850]: [wrkr]=> connected to
'68.94.156.128#00053'
Oct 14 14:39:53 zadesk kresd[986850]: [wrkr]=> connected to
'68.94.156.130#00053'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][resl]     <= server:
'68.94.156.130' rtt: 69 ms
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .05, parent
uid .01
Oct 14 14:39:53 zadesk kresd[986850]: [50260.05][resl]     => id: '09140'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'dbru.bR.Ns.Els-GMs.Att.neT.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][resl]     <= server:
'68.94.156.128' rtt: 74 ms
Oct 14 14:39:53 zadesk kresd[986850]: [50260.04][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .05, parent
uid .01
Oct 14 14:39:53 zadesk kresd[986850]: [50260.05][resl]     => id: '09140'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'dbru.bR.Ns.Els-GMs.Att.neT.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:54 zadesk kresd[986850]: [50260.05][resl]     => id: '09140'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'dbru.bR.Ns.Els-GMs.Att.neT.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:54 zadesk kresd[986850]: [50260.05][resl]     => id: '09140'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'dbru.bR.Ns.Els-GMs.Att.neT.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:55 zadesk kresd[986850]: [50260.05][wrkr]     => server:
'68.94.156.130#00053' flagged as 'bad'
Oct 14 14:39:55 zadesk kresd[986850]: [50260.05][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .06, parent
uid .01
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][resl]     => id: '42104'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'DBru.BR.ns.eLS-GmS.att.neT.' qtype: 'AAAA' proto: 'tcp'
Oct 14 14:39:55 zadesk kresd[986850]: [50260.05][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .06, parent
uid .01
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][resl]     => id: '03723'
querying: '68.94.156.130#00053' score: 1400 zone cut: 'att.net.' qname:
'DBRu.bR.Ns.elS-GmS.att.NET.' qtype: 'AAAA' proto: 'tcp'
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .07, parent
uid .01
Oct 14 14:39:55 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.128,
score 2207
Oct 14 14:39:55 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.130,
score 2495
Oct 14 14:39:55 zadesk kresd[986850]: [50260.07][resl]     => id: '29053'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:55 zadesk kresd[986850]: [50260.06][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .07, parent
uid .01
Oct 14 14:39:56 zadesk kresd[986850]: [50260.07][resl]     => id: '29053'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:56 zadesk kresd[986850]: [50260.07][resl]     => id: '29053'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:56 zadesk kresd[986850]: [50260.07][resl]     => id: '29053'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:57 zadesk kresd[986850]: [50260.07][wrkr]     => server:
'68.94.156.128#00053' flagged as 'bad'
Oct 14 14:39:57 zadesk kresd[986850]: [50260.07][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .08, parent
uid .01
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][resl]     => id: '02066'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'tcp'
Oct 14 14:39:57 zadesk kresd[986850]: [50260.07][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .08, parent
uid .01
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][resl]     => id: '49467'
querying: '68.94.156.128#00053' score: 1410 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'tcp'
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .09, parent
uid .01
Oct 14 14:39:57 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.130,
score 2167
Oct 14 14:39:57 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.130,
score 2495
Oct 14 14:39:57 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.128,
score 2207
Oct 14 14:39:57 zadesk kresd[986850]: [50260.09][resl]     => id: '60647'
querying: '99.99.99.128#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][iter]     <= malformed response
(parsed 12)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.08][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .09, parent
uid .01
Oct 14 14:39:57 zadesk kresd[986850]: [50260.09][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.09][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .10, parent
uid .01
Oct 14 14:39:57 zadesk kresd[986850]: [50260.10][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.01][iter]   'costco.ca.' type
'A' new uid was assigned .11, parent uid .00
Oct 14 14:39:57 zadesk kresd[986850]: [50260.11][plan]   plan
'dbru.br.ns.els-gms.att.net.' type 'A' uid [50260.12]
Oct 14 14:39:57 zadesk kresd[986850]: [50260.12][iter]    
'dbru.br.ns.els-gms.att.net.' type 'A' new uid was assigned .13, parent
uid .11
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][cach]     => skipping exact RR: rank
030 (min. 000), new TTL -12557504
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][cach]     => skipping unfit NS packet:
rank 030, new TTL -12557506
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][cach]     => no NSEC* cached for zone:
att.net.
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][zcut]     found cut: att.net. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][resl]     => NS is provably without
DS, going insecure
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.13][iter]    
'dbru.br.ns.els-gms.att.net.' type 'A' new uid was assigned .14, parent
uid .11
Oct 14 14:39:57 zadesk kresd[986850]: [50260.14][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.11][iter]   'costco.ca.' type
'A' new uid was assigned .15, parent uid .00
Oct 14 14:39:57 zadesk kresd[986850]: [50260.15][resl]   => unresolvable NS address,
bailing out (counter: 1)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.15][plan]   plan
'dmtu.mt.ns.els-gms.att.net.' type 'AAAA' uid [50260.16]
Oct 14 14:39:57 zadesk kresd[986850]: [50260.16][iter]    
'dmtu.mt.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .17, parent
uid .15
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][cach]     => skipping exact RR: rank
030 (min. 000), new TTL -12042504
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][cach]     => skipping unfit NS packet:
rank 030, new TTL -12042504
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][cach]     => no NSEC* cached for zone:
att.net.
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][zcut]     found cut: att.net. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][resl]     => NS is provably without
DS, going insecure
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.17][iter]    
'dmtu.mt.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .18, parent
uid .15
Oct 14 14:39:57 zadesk kresd[986850]: [50260.18][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.15][iter]   'costco.ca.' type
'A' new uid was assigned .19, parent uid .00
Oct 14 14:39:57 zadesk kresd[986850]: [50260.19][plan]   plan
'dmtu.mt.ns.els-gms.att.net.' type 'A' uid [50260.20]
Oct 14 14:39:57 zadesk kresd[986850]: [50260.20][iter]    
'dmtu.mt.ns.els-gms.att.net.' type 'A' new uid was assigned .21, parent
uid .19
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][cach]     => skipping exact RR: rank
030 (min. 000), new TTL -12042501
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][cach]     => skipping unfit NS packet:
rank 030, new TTL -12042504
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][cach]     => no NSEC* cached for zone:
att.net.
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][cach]     => skipping zone: att.net.,
NSEC, hash 0;new TTL -123456789, ret -2
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][zcut]     usable NS addresses: 0/1
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][zcut]     found cut: att.net. (rank 010
return codes: DS 1, DNSKEY 1)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][resl]     => NS is provably without
DS, going insecure
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.21][iter]    
'dmtu.mt.ns.els-gms.att.net.' type 'A' new uid was assigned .22, parent
uid .19
Oct 14 14:39:57 zadesk kresd[986850]: [50260.22][resl]     => no valid NS left
Oct 14 14:39:57 zadesk kresd[986850]: [50260.19][iter]   'costco.ca.' type
'A' new uid was assigned .23, parent uid .00
Oct 14 14:39:57 zadesk kresd[986850]: [50260.23][resl]   => unresolvable NS address,
bailing out (counter: 2)
Oct 14 14:39:57 zadesk kresd[986850]: [50260.23][resl]   => no NS with an address
Oct 14 14:39:57 zadesk kresd[986850]: [50260.23][iter]   'costco.ca.' type
'A' new uid was assigned .24, parent uid .00
Oct 14 14:39:57 zadesk kresd[986850]: [50260.24][resl]   => no NS with an address
Oct 14 14:39:57 zadesk kresd[986850]: [50260.24][resl]   AD: request NOT classified as
SECURE
Oct 14 14:39:57 zadesk kresd[986850]: [50260.24][resl]   finished: 8, queries: 5, mempool:
16400 B
Oct 14 14:39:58 zadesk kresd[986850]: [50260.09][resl]     => id: '60647'
querying: '99.99.99.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:58 zadesk kresd[986850]: [50260.09][resl]     => id: '60647'
querying: '68.94.156.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:58 zadesk kresd[986850]: [50260.09][resl]     => id: '60647'
querying: '99.99.99.128#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:39:59 zadesk kresd[986850]: [50260.09][wrkr]     => server:
'99.99.99.128#00053' flagged as 'bad'
Oct 14 14:39:59 zadesk kresd[986850]: [50260.09][wrkr]     => server:
'99.99.99.130#00053' flagged as 'bad'
Oct 14 14:39:59 zadesk kresd[986850]: [50260.09][wrkr]     => server:
'68.94.156.130#00053' flagged as 'bad'
Oct 14 14:39:59 zadesk kresd[986850]: [50260.09][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .10, parent
uid .01
Oct 14 14:39:59 zadesk kresd[986850]: [50260.10][resl]     => id: '57881'
querying: '99.99.99.128#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'tcp'
Oct 14 14:39:59 zadesk kresd[986850]: [50260.10][wrkr]     => connecting to:
'99.99.99.128#00053'
Oct 14 14:39:59 zadesk kresd[986850]: [wrkr]=> connected to
'99.99.99.128#00053'
Oct 14 14:40:00 zadesk kresd[986850]: [50260.10][iter]     <= malformed response
(parsed 12)
Oct 14 14:40:00 zadesk kresd[986850]: [50260.10][iter]    
'dbru.br.ns.els-gms.att.net.' type 'AAAA' new uid was assigned .11, parent
uid .01
Oct 14 14:40:00 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 68.94.156.130,
score 2350
Oct 14 14:40:00 zadesk kresd[986850]: [     ][nsre] probing timeouted NS: 99.99.99.130,
score 2514
Oct 14 14:40:00 zadesk kresd[986850]: [50260.11][resl]     => id: '20662'
querying: '99.99.99.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:40:00 zadesk kresd[986850]: [50260.11][resl]     => id: '20662'
querying: '68.94.156.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:40:00 zadesk kresd[986850]: [50260.11][resl]     => id: '20662'
querying: '99.99.99.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:40:00 zadesk kresd[986850]: [50260.11][resl]     => id: '20662'
querying: '68.94.156.130#00053' score: 1424 zone cut: 'att.net.' qname:
'dbru.br.ns.els-gms.att.net.' qtype: 'AAAA' proto: 'udp'
Oct 14 14:40:02 zadesk kresd[986850]: [50260.11][wrkr]     => server:
'99.99.99.130#00053' flagged as 'bad'
Oct 14 14:40:02 zadesk kresd[986850]: [50260.11][wrkr]     => server:
'68.94.156.130#00053' flagged as 'bad'
Oct 14 14:40:02 zadesk kresd[986850]: [50260.00][resl] request failed, answering with
empty SERVFAIL
Oct 14 14:40:02 zadesk kresd[986850]: [50260.11][resl]     finished: 8, queries: 0,
mempool: 16400 B
Oct 14 14:40:05 zadesk kresd[986850]: [io] => closing connection to
'68.94.156.130#00053'
Oct 14 14:40:07 zadesk kresd[986850]: [io] => closing connection to
'68.94.156.128#00053'
Oct 14 14:40:11 zadesk kresd[986850]: [io] => closing connection to
'99.99.99.128#00053'

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Re: [knot-resolver-users] Unable to resolve some domains