[Pdns-users] CNAME NXDOMAIN problem

Aki Tuomi cmouse at youzen.ext.b2.fi
Thu Nov 21 18:06:07 UTC 2013


Appears that you receive nxdomain from nameserver, see at the end of trace.

Aki

On Thu, Nov 21, 2013 at 04:18:49PM +0100, Francois Claire wrote:
> Ok, here's the full trace:
> 
> 
> Nov 21 16:15:44 mnorns1 pdns_recursor[1666]: 9 [212] question for
> 'thumbs.g.ebay.com.|A' from 212.56.226.60
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Looking for CNAME cache hit of
> 'thumbs.g.ebay.com.|CNAME'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: No CNAME cache hit of 'thumbs.g.ebay.com.|CNAME'
> found
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: No cache hit for 'thumbs.g.ebay.com.|A', trying
> to find an appropriate NS record
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Checking if we have NS in cache for
> 'thumbs.g.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: no valid/useful NS in cache for
> 'thumbs.g.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Checking if we have NS in cache for
> 'g.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: no valid/useful NS in cache for 'g.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Checking if we have NS in cache for 'ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: no valid/useful NS in cache for 'ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Checking if we have NS in cache for 'com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'a.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'b.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'c.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'd.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'e.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'f.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'g.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'h.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'i.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'j.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'k.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'l.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: NS (with ip, or non-glue) in cache for 'com.' ->
> 'm.gtld-servers.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: within bailiwick: 0, not in cache / did not look
> at cache
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: We have NS in cache for 'com.' (flawedNSSet=0)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Cache consultations done, have 13 NS to contact
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Nameservers: c.gtld-servers.net.(0.00ms),
> l.gtld-servers.net.(0.00ms), a.gtld-servers.net.(0.00ms),
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.:              m.gtld-servers.net.(0.00ms),
> d.gtld-servers.net.(0.00ms), f.gtld-servers.net.(0.00ms),
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.:              j.gtld-servers.net.(0.00ms),
> i.gtld-servers.net.(0.00ms), b.gtld-servers.net.(0.03ms),
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.:              k.gtld-servers.net.(0.04ms),
> e.gtld-servers.net.(0.08ms), h.gtld-servers.net.(0.08ms),
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.:              g.gtld-servers.net.(0.71ms)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying to resolve NS 'c.gtld-servers.net.'
> (1/13)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> c.gtld-servers.net.: Looking for CNAME cache hit of
> 'c.gtld-servers.net.|CNAME'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> c.gtld-servers.net.: No CNAME cache hit of
> 'c.gtld-servers.net.|CNAME' found
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> c.gtld-servers.net.: Found cache hit for A: 192.26.92.30[ttl=164708]
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Resolved 'com.' NS c.gtld-servers.net. to:
> 192.26.92.30
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying IP 192.26.92.30:53, asking
> 'thumbs.g.ebay.com.|A'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Got 13 answers from c.gtld-servers.net.
> (192.26.92.30), rcode=0, aa=0, in 106ms
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ebay.com.|NS|sjc-dns1.ebaydns.com.' from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ebay.com.|NS|sjc-dns2.ebaydns.com.' from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ebay.com.|NS|smf-dns1.ebaydns.com.' from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ebay.com.|NS|smf-dns2.ebaydns.com.' from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'ebay.com.|NS|ns1.p47.dynect.net.'
> from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'ebay.com.|NS|ns2.p47.dynect.net.'
> from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'sjc-dns1.ebaydns.com.|A|66.135.207.137' from 'com.' nameservers?
> YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'sjc-dns2.ebaydns.com.|A|66.135.207.138' from 'com.' nameservers?
> YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'smf-dns1.ebaydns.com.|A|66.135.223.137' from 'com.' nameservers?
> YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'smf-dns2.ebaydns.com.|A|66.135.215.5' from 'com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ns1.p47.dynect.net.|A|208.78.70.47' from 'com.' nameservers? NO!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer
> 'ns2.p47.dynect.net.|A|204.13.250.47' from 'com.' nameservers? NO!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: skipping OPT answer '.' from 'com.' nameservers
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: determining status after receiving this packet
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'sjc-dns1.ebaydns.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'sjc-dns2.ebaydns.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'smf-dns1.ebaydns.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'smf-dns2.ebaydns.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'ns1.p47.dynect.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'ebay.com.' ->
> 'ns2.p47.dynect.net.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: status=did not resolve, got 6 NS, looping to
> them
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Nameservers: sjc-dns2.ebaydns.com.(0.00ms),
> smf-dns2.ebaydns.com.(0.00ms), ns2.p47.dynect.net.(0.00ms),
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.:              sjc-dns1.ebaydns.com.(0.00ms),
> ns1.p47.dynect.net.(0.00ms), smf-dns1.ebaydns.com.(0.00ms)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying to resolve NS 'sjc-dns2.ebaydns.com.'
> (1/6)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> sjc-dns2.ebaydns.com.: Looking for CNAME cache hit of
> 'sjc-dns2.ebaydns.com.|CNAME'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> sjc-dns2.ebaydns.com.: No CNAME cache hit of
> 'sjc-dns2.ebaydns.com.|CNAME' found
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> sjc-dns2.ebaydns.com.: Found cache hit for A:
> 66.135.207.138[ttl=172800]
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Resolved 'ebay.com.' NS sjc-dns2.ebaydns.com.
> to: 66.135.207.138
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying IP 66.135.207.138:53, asking
> 'thumbs.g.ebay.com.|A'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Got 7 answers from sjc-dns2.ebaydns.com.
> (66.135.207.138), rcode=0, aa=0, in 176ms
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g.ebay.com.|NS|g3.ebay.com.' from
> 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g.ebay.com.|NS|g1.ebay.com.' from
> 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g.ebay.com.|NS|g2.ebay.com.' from
> 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g1.ebay.com.|A|66.135.200.140'
> from 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g2.ebay.com.|A|66.211.167.40'
> from 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g3.ebay.com.|A|66.135.215.134'
> from 'ebay.com.' nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: skipping OPT answer '.' from 'ebay.com.'
> nameservers
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: determining status after receiving this packet
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'g.ebay.com.' -> 'g3.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'g.ebay.com.' -> 'g1.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got NS record 'g.ebay.com.' -> 'g2.ebay.com.'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: status=did not resolve, got 3 NS, looping to
> them
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Nameservers: g2.ebay.com.(0.00ms),
> g3.ebay.com.(0.00ms), g1.ebay.com.(0.00ms)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying to resolve NS 'g2.ebay.com.' (1/3)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212] g2.ebay.com.:
> Looking for CNAME cache hit of 'g2.ebay.com.|CNAME'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212] g2.ebay.com.: No
> CNAME cache hit of 'g2.ebay.com.|CNAME' found
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212] g2.ebay.com.:
> Found cache hit for A: 66.211.167.40[ttl=3600]
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Resolved 'g.ebay.com.' NS g2.ebay.com. to:
> 66.211.167.40
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Trying IP 66.211.167.40:53, asking
> 'thumbs.g.ebay.com.|A'
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: Got 2 answers from g2.ebay.com. (66.211.167.40),
> rcode=3, aa=1, in 177ms
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: accept answer 'g.ebay.com.|SOA|g2.ebay.com.
> hostmaster.ebay.com. 961 10800 3600 604800 60' from 'g.ebay.com.'
> nameservers? YES!
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: skipping OPT answer '.' from 'g.ebay.com.'
> nameservers
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: determining status after receiving this packet
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: got negative caching indication for RECORD
> 'thumbs.g.ebay.com.' (accept=1), newtarget=''
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: status=NXDOMAIN, we are done (have negative SOA)
> Nov 21 16:15:45 mnorns1 pdns_recursor[1666]: [212]
> thumbs.g.ebay.com.: failed (res=3)
> 




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