# dig

> DNS Lookup utility.

- Lookup the IP(s) associated with a hostname (A records):

`dig +short {{hostname.com}}`

- Lookup the mail server(s) associated with a given domain name (MX record):

`dig +short {{hostname.com}} MX`

- Get all types of records for a given domain name:

`dig {{hostname.com}} ANY`

- Specify an alternate DNS server to query (8.8.8.8 is google's public DNS):

`dig @{{8.8.8.8}} {{hostname.com}}`

- Perform a reverse DNS lookup on an IP address (PTR record):

`dig -x {{8.8.8.8}}`

- Find authoritative name servers for the zone and display SOA records:

`dig +nssearch {{hostname.com}}`

- Perform iterative queries and display the entire trace path to resolve a domain name:

`dig +trace {{hostname.com}}`