• A / AAAA: Address Mapping

  Stores hostname and IP.
  Expamle: 93.184.216.34

• CNAME: Canonical Name

  Stores alias hostnames.
  Expamle: www.example.com

• MX: Mail Exchange

  Stores SMTP Email server.
  Used to route outgoing emails to an email server.
  Expamle: mail.example.com

• NS: Name Server

  Stores authoritative and delegated server for DNS zone.
  min. 2, max 10 records
  Example: ns1.hosting.com

• PTR: Reverse Lookup Pointer

  Stores IP address for a DNS resolver.
  Reverse DNS lookup

• SRV: Service Location

  Used for certain communication protocols.

• SOA: Start of Authority

  Stores beginning of the zone file.
  Example: ns1.hosting.com.root.hosting.com.2020080901 12345678901234567890

• TXT: Text

  Stores machine readable data. DKIM, DMARC, etc.

• CERT: Certificate

  Stores encryption certificates. PKIX, SPKI, PGP, etc.