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5 changes: 2 additions & 3 deletions README.md
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Expand Up @@ -9,7 +9,7 @@ and pairing with smart people at Hashrocket.

For a steady stream of TILs, [sign up for my newsletter](https://tinyletter.com/jbranchaud).

_909 TILs and counting..._
_908 TILs and counting..._

---

Expand Down Expand Up @@ -122,11 +122,10 @@ _909 TILs and counting..._
- [Check The Status of All Services](devops/check-the-status-of-all-services.md)
- [Check The Syntax Of nginx Files](devops/check-the-syntax-of-nginx-files.md)
- [Connect To An RDS PostgreSQL Database](devops/connect-to-an-rds-postgresql-database.md)
- [Determine The IP Address Of A Domain](devops/determine-the-ip-address-of-a-domain.md)
- [Resolve The IP Address Of A Domain](devops/resolve-the-ip-address-of-a-domain.md)
- [Path Of The Packets](devops/path-of-the-packets.md)
- [Push Non-master Branch To Heroku](devops/push-non-master-branch-to-heroku.md)
- [Reload The nginx Configuration](devops/reload-the-nginx-configuration.md)
- [Resolve The Public IP Of A URL](devops/resolve-the-public-ip-of-a-url.md)
- [Running Out Of inode Space](devops/running-out-of-inode-space.md)
- [SSL Certificates Can Cover Multiple Domains](devops/ssl-certificates-can-cover-multiple-domains.md)
- [Wipe A Heroku Postgres Database](devops/wipe-a-heroku-postgres-database.md)
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31 changes: 0 additions & 31 deletions devops/determine-the-ip-address-of-a-domain.md
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11 changes: 6 additions & 5 deletions devops/resolve-the-public-ip-of-a-url.md → devops/resolve-the-ip-address-of-a-domain.md
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# Resolve The Public IP Of A URL
# Resolve The IP Address Of A Domain

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.
The `dig` (domain information grouper) command can be used to get more
information about a domain name. To discover the IP address for a given
domain, invoke `dig` with the domain as an argument.

```bash
$ dig joshbranchaud.com
Expand All @@ -24,8 +25,8 @@ joshbranchaud.com. 1800 IN A 159.203.106.229
;; 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.
The *answer section* tells me that the IP address for `joshbranchaud.com` is
`198.74.60.157`.

Alternatively, you can skip the noise and get right to the IP address by
including the `+short` flag.
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