Jan 172012
How to perform a reverse DNS lookup in Linux
Answer:
To perform a reverse DNS lookup for a domain in Linux, you can use the dig command, e.g.
# dig -x 8.8.8.8
; <<>> DiG 9.7.0-P1 <<>> -x 8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 59808
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;8.8.8.8.in-addr.arpa. IN PTR
;; ANSWER SECTION:
8.8.8.8.in-addr.arpa. 86328 IN PTR google-public-dns-a.google.com.
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