late CNAME and LOOPBACK log errors
Mark Andrews
Mark_Andrews at isc.org
Sat Oct 8 00:56:05 UTC 2005
> I have a bind (v8.3.3-2.0) on a Debian woody server that had until recently
> an internal LAN adaptor and an external WAN adaptor. Last night I disabled
> the LAN adaptor and I started receiving these errors.
>
> I am not sure if they mean anything to me or not. From what I can tell by
> searching google and bind mail archives these errors don't mean anything to
> me. However I would like to know if I can prevent them from cluttering up my
> logs. That is unless they really do need attention in which case I would
> like to fix any problem.
They are external errors that named has detected.
> any help would be greatly appreciated
>
> Oct 7 16:31:32 wahoo named[352]: late CNAME in answer section for skios.es
> MX from [195.219.190.135].53
The server for skios.es is sending back a malformed response.
The CNAME record should NOT be there.
; <<>> DiG 8.3 <<>> @195.219.190.135 mx skios.es +norec
; (1 server found)
;; res options: init defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3346
;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; QUERY SECTION:
;; skios.es, type = MX, class = IN
;; ANSWER SECTION:
skios.es. 0S IN MX 10 correo.skios.es.
correo.skios.es. 3h30m43s IN CNAME anas.skios.es.
;; ADDITIONAL SECTION:
anas.skios.es. 7h30m44s IN A 195.219.190.136
;; Total query time: 349 msec
;; FROM: drugs.dv.isc.org to SERVER: 195.219.190.135
;; WHEN: Sat Oct 8 10:29:51 2005
;; MSG SIZE sent: 26 rcvd: 84
Also they are trying to use IP addresses for the NS record.
skios.es. 0S IN NS 195.219.190.135.
skios.es. 0S IN NS 195.219.190.136.
I suggest that you contact skios.es and inform them of their
problems.
> Oct 7 16:46:12 wahoo named[352]: ns_resp: query(d2-online.de) Bogus
> LOOPBACK A RR (ecrc.de:127.0.0.1) learnt (A=212.80.175.2:NS=193.0.7.3)
> Oct 7 16:46:12 wahoo named[352]: ns_resp: query(d2-online.de) Bogus
> LOOPBACK A RR (ecrc.de:127.0.0.1) learnt (A=212.80.175.2:NS=193.0.7.3)
d2-online have not updated their delegation and one of the
old nameservers now returns 127.0.0.1. They need to update
their delegation.
d2-online.de. 86400 IN NS ns.infra.net.
d2-online.de. 86400 IN NS ns.space.net.
d2-online.de. 86400 IN NS ecrc.de.
d2-online.de. 86400 IN NS ns.hamburg.pop.de.
;; Received 127 bytes from 217.51.137.213#53(L.DE.NET) in 322 ms
d2-online.de. 1800 IN SOA ns.infra.net. hostmaster.infra.net. 2003100204 10000 2500 864000 40000
d2-online.de. 1800 IN NS ns.infra.net.
d2-online.de. 1800 IN NS ns2.infra.net.
d2-online.de. 1800 IN NS ns3.infra.net.
;; Received 187 bytes from 212.89.96.3#53(ns.infra.net) in 328 ms
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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