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Add Resolve The Public IP Of A URL as a devops til

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2019-04-14 12:38:15 -05:00
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# Resolve The Public IP Of A URL
The `dig` command is a utility for doing DNS lookups. You can run it with a
URL argument to lookup the public IP for that domain.
```bash
$ dig joshbranchaud.com
; <<>> DiG 9.8.3-P1 <<>> joshbranchaud.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62836
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;joshbranchaud.com. IN A
;; ANSWER SECTION:
joshbranchaud.com. 1800 IN A 159.203.106.229
;; Query time: 50 msec
;; SERVER: 75.75.75.75#53(75.75.75.75)
;; WHEN: Sun Apr 14 12:34:52 2019
;; MSG SIZE rcvd: 51
```
The output is a bit noisy, but if you parse down to the _ANSWER SECTION_,
you'll see the IP address that it resolves to.
Alternatively, you can skip the noise and get right to the IP address by
including the `+short` flag.
```bash
$ dig joshbranchaud.com +short
159.203.106.229
```
See `man dig` for more details.