dump_cache strange format for PTR
W.C.A. Wijngaards
wouter at nlnetlabs.nl
Fri Sep 16 16:59:52 UTC 2016
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Hash: SHA256
Hi Stephane,
Your script is picking up the wrong parts as RRs. The other lines are
part of the message cache dump.
Look for these marker lines through the cachedump (perhaps with
csplit(1)?)
START_RRSET_CACHE
.. RRs
END_RRSET_CACHE
START_MSG_CACHE
.... not RRs!!
END_MSG_CACHE
EOF
Best regards, Wouter
On 16/09/16 17:24, Stephane Bortzmeyer via Unbound-users wrote:
> I run 'unbound-control dump_cache' and I get, among other things:
>
> 70.168.69.4.in-addr.arpa. 86252 IN PTR
> ae-2-70.edge3.Paris1.Level3.net.
>
> msg 108.7.134.192.in-addr.arpa. IN PTR 32896 1 86250 3 1 1 0
> 108.7.134.192.in-addr.arpa. IN PTR 0
>
> Why two different formats for these two IP addresses (and the
> second one seems difficult to parse...)? Using dig gives reasonable
> results:
>
> % dig PTR 108.7.134.192.in-addr.arpa.
>
> ; <<>> DiG 9.10.3-P4-Debian <<>> PTR 108.7.134.192.in-addr.arpa. ;;
> global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY,
> status: NOERROR, id: 27699 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1,
> AUTHORITY: 3, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;;
> QUESTION SECTION: ;108.7.134.192.in-addr.arpa. IN PTR
>
> ;; ANSWER SECTION: 108.7.134.192.in-addr.arpa. 172498 IN PTR
> mx80-1-sqy.interco.nic.fr.
>
> ;; AUTHORITY SECTION: 7.134.192.in-addr.arpa. 172498 IN NS
> ns1.nic.fr. 7.134.192.in-addr.arpa. 172498 IN NS ns2.nic.fr.
> 7.134.192.in-addr.arpa. 172498 IN NS ns3.nic.fr.
>
> ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN:
> Fri Sep 16 17:23:25 CEST 2016 ;; MSG SIZE rcvd: 148
>
> dig PTR 70.168.69.4.in-addr.arpa.
>
> ; <<>> DiG 9.10.3-P4-Debian <<>> PTR 70.168.69.4.in-addr.arpa. ;;
> global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY,
> status: NOERROR, id: 22322 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1,
> AUTHORITY: 0, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;;
> QUESTION SECTION: ;70.168.69.4.in-addr.arpa. IN PTR
>
> ;; ANSWER SECTION: 70.168.69.4.in-addr.arpa. 86089 IN PTR
> ae-2-70.edge3.Paris1.Level3.net.
>
> ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN:
> Fri Sep 16 17:23:36 CEST 2016 ;; MSG SIZE rcvd: 98
>
> Version 1.5.9 linked libs: libevent 2.0.21-stable (it uses epoll),
> OpenSSL 1.0.2h 3 May 2016 linked modules: dns64 python validator
> iterator
>
>
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