Resolving issue on specific domain
Daniel Dawalibi
daniel.dawalibi at idm.net.lb
Tue Jul 12 14:13:29 UTC 2016
Hello
We are facing a weird issue while resolving a specific domain name from our
authoritative DNS server running on BIND 9.10.4-P1
Server has only one public IP address.
If you try to resolve the domain using either dig or nslookup you will not
get any result whereas if you specify @localhost you will get the answer
Do you have any explanation about this behavior and what should be done to
fix this issue?
Examples:
#dig @localhost soa domainname
; <<>> DiG 9.9.4-P1 <<>> @localhost soa domainname
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46807
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;domainname. IN SOA
;; ANSWER SECTION:
domainname. 86400 IN SOA xx.idm.net.lb. y.domainname.
1468329403 10800 3600 604800 10800
;; AUTHORITY SECTION:
domainname. 86400 IN NS xx.idm.net.lb.
domainname. 86400 IN NS yy.idm.net.lb.
#dig soa domainname
; <<>> DiG 9.9.4-P1 <<>> soa domainname
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 10964
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;domainname. IN SOA
;; Query time: 0 msec
;; SERVER: 194.126.10.18#53(194.126.10.18)
;; WHEN: Tue Jul 12 17:09:23 EEST 2016
Regards
Daniel
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