type alias Deno.RecordType
The type of the resource record to resolve via DNS using
Deno.resolveDns.
Only the listed types are supported currently.
"A"
| "AAAA"
| "ANAME"
| "CAA"
| "CNAME"
| "MX"
| "NAPTR"
| "NS"
| "PTR"
| "SOA"
| "SRV"
| "TXT"