Dig
Created: 2022-07-02
Tags: #literature
dig <domain> @<dns-server-ip>
Manually query Recursive DNS Server of our choice
for information about domains.
Incredibly helpful when troubleshooting networks.
Useful info Dig gives
TTL (Time To Live) of the queried DNS record.
When your computer queries a domain name, it stores the results in its local cache and gives a TTL to it.
Where can TTL be found in Dig
2nd column of answer section
**is measured in _seconds_** (in the context of DNS caching)
References
Interactive Graph
Table Of Contents