<Tr> <Td> OPENPGPKEY </Td> <Td> 61 </Td> <Td> RFC 7929 </Td> <Td> OpenPGP public key record </Td> <Td> A DNS - based Authentication of Named Entities (DANE) method for publishing and locating OpenPGP public keys in DNS for a specific email address using an OPENPGPKEY DNS resource record . </Td> </Tr> <Tr> <Td> PTR </Td> <Td> 12 </Td> <Td> RFC 1035 </Td> <Td> Pointer record </Td> <Td> Pointer to a canonical name . Unlike a CNAME, DNS processing stops and just the name is returned . The most common use is for implementing reverse DNS lookups, but other uses include such things as DNS - SD . </Td> </Tr> <Tr> <Td> RRSIG </Td> <Td> 46 </Td> <Td> RFC 4034 </Td> <Td> DNSSEC signature </Td> <Td> Signature for a DNSSEC - secured record set . Uses the same format as the SIG record . </Td> </Tr> <Tr> <Td> RP </Td> <Td> 17 </Td> <Td> RFC 1183 </Td> <Td> Responsible Person </Td> <Td> Information about the responsible person (s) for the domain . Usually an email address with the @ replaced by a . </Td> </Tr>

A dns record that is associated with ipv4 is called