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Red Hat Enterprise Linux 9 Essentials Book now available.

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Red Hat Enterprise Linux 9 Essentials Print and eBook (PDF) editions contain 34 chapters and 298 pages

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10.5.3. Looking Up a Hostname

To look up a hostname for a particular IP address, use the command in the following form:
dig -x address
In Example 10.19, “A Sample Hostname Lookup”, the dig utility is used to display the hostname assigned to
Example 10.19. A Sample Hostname Lookup
~]$ dig -x

; <<>> DiG 9.7.1-P2-RedHat-9.7.1-2.P2.fc13 <<>> -x
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29683
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 6

;      IN      PTR

;; ANSWER SECTION: 21600 IN      PTR

;; AUTHORITY SECTION:  21600   IN      NS  21600   IN      NS  21600   IN      NS  21600   IN      NS  21600   IN      NS

;; ADDITIONAL SECTION:     13688   IN      A     5844    IN      A     5844    IN      AAAA    2001:610:240:2::c100:ec     12173   IN      A     12173   IN      AAAA    2001:648:2c30::1:10           12884   IN      A

;; Query time: 156 msec
;; WHEN: Wed Aug 18 18:25:15 2010
;; MSG SIZE  rcvd: 310

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