Strange SERVFAIL issue

Stuart Gall stuart at otenet.gr
Tue Jul 26 13:10:51 UTC 2011


Hello,
I have a caching nameserver setup it has been working for ages. Today I have a problem resolving a particular domain and I just cant see why there is a problem. (BIND 9.5.0-P2)

It appears that ONLY I have a problem resolving this single domain !


[root at felix etc]# dig mx streetlightfilms.co.uk @localhost

; <<>> DiG 9.5.0-P2 <<>> mx streetlightfilms.co.uk @localhost
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 36416
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;streetlightfilms.co.uk.		IN	MX

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 26 15:37:15 2011
;; MSG SIZE  rcvd: 40


Looking manually


[root at felix etc]# dig ns streetlightfilms.co.uk @ns1.nic.uk 

; <<>> DiG 9.5.0-P2 <<>> ns streetlightfilms.co.uk @ns1.nic.uk
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57410
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; QUESTION SECTION:
;streetlightfilms.co.uk.		IN	NS

;; AUTHORITY SECTION:
streetlightfilms.co.uk.	172800	IN	NS	ns1.thisismyengine.net.
streetlightfilms.co.uk.	172800	IN	NS	ns2.thisismyengine.net.

;; Query time: 57 msec
;; SERVER: 195.66.240.130#53(195.66.240.130)
;; WHEN: Tue Jul 26 15:37:25 2011
;; MSG SIZE  rcvd: 94

[root at felix etc]# dig mx streetlightfilms.co.uk @ns1.thisismyengine.net

; <<>> DiG 9.5.0-P2 <<>> mx streetlightfilms.co.uk @ns1.thisismyengine.net
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61932
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; QUESTION SECTION:
;streetlightfilms.co.uk.		IN	MX

;; ANSWER SECTION:
streetlightfilms.co.uk.	14400	IN	MX	10 mail.streetlightfilms.co.uk.

;; ADDITIONAL SECTION:
mail.streetlightfilms.co.uk. 14400 IN	A	109.70.146.20

;; Query time: 60 msec
;; SERVER: 109.70.146.20#53(109.70.146.20)
;; WHEN: Tue Jul 26 15:37:34 2011
;; MSG SIZE  rcvd: 77


I can resolve other domains just fine. AFAIK I only get servfail on this particular domain.

[root at felix etc]# dig google.co.uk @localhost

; <<>> DiG 9.5.0-P2 <<>> google.co.uk @localhost
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15330
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 4, ADDITIONAL: 0

;; QUESTION SECTION:
;google.co.uk.			IN	A

;; ANSWER SECTION:
google.co.uk.		207	IN	A	74.125.232.116
google.co.uk.		207	IN	A	74.125.232.112
google.co.uk.		207	IN	A	74.125.232.113
google.co.uk.		207	IN	A	74.125.232.114
google.co.uk.		207	IN	A	74.125.232.115

;; AUTHORITY SECTION:
google.co.uk.		172707	IN	NS	ns3.google.com.
google.co.uk.		172707	IN	NS	ns4.google.com.
google.co.uk.		172707	IN	NS	ns1.google.com.
google.co.uk.		172707	IN	NS	ns2.google.com.

;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jul 26 15:37:42 2011
;; MSG SIZE  rcvd: 192


The query log gives
26-Jul-2011 15:20:47.272 client 127.0.0.1#35060: query: streetlightfilms.co.uk IN NS +


My ISP can resolve the domain
[root at felix etc]# dig soa streetlightfilms.co.uk @195.170.2.2

; <<>> DiG 9.5.0-P2 <<>> soa streetlightfilms.co.uk @195.170.2.2
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34843
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;streetlightfilms.co.uk.		IN	SOA

;; ANSWER SECTION:
streetlightfilms.co.uk.	14400	IN	SOA	ns1.thisismyengine.net. hostmaster.streetlightfilms.co.uk. 2011012011 3600 900 604800 14400

;; Query time: 67 msec
;; SERVER: 195.170.2.2#53(195.170.2.2)
;; WHEN: Tue Jul 26 16:00:38 2011
;; MSG SIZE  rcvd: 109




How can I debug this further ?

TIA
Stuart


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