HTTP/2 200 date: Mon, 14 Jul 2025 20:32:03 GMT content-type: application/xml cache-control: public, max-age=3600 cross-origin-opener-policy: same-origin expires: Mon, 14 Jul 2025 21:32:03 GMT referrer-policy: same-origin vary: Cookie, origin, Accept-Encoding x-content-type-options: nosniff x-frame-options: DENY x-resolution-methods: manual;auto;fallback x-resolution-outcomes: ;RfcAdapter: using docid IETF RFC 5395 -> using query @.type == "IETF" && @.primary == true && @.id == "RFC 5395" -> 1 found,; last-modified: Mon, 14 Jul 2025 20:32:03 GMT cf-cache-status: EXPIRED server: cloudflare cf-ray: 95f3c9718dcfe084-BLR content-encoding: gzip alt-svc: h3=":443"; ma=86400 Internet Assigned Number Authority (IANA) parameter assignment considerations are specified for the allocation of Domain Name System (DNS) resource record types, CLASSes, operation codes, error codes, DNS protocol message header bits, and AFSDB resource record subtypes. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.