DNS records tell the internet where your services live and how they should behave.
- A record: points a hostname to an IPv4 address.
- AAAA record: points a hostname to an IPv6 address.
- CNAME record: aliases one hostname to another.
- MX record: defines mail delivery servers for a domain.
- TXT record: stores text data commonly used for verification, SPF, DKIM, or DMARC.