Value,Description,Use for DNSSEC Delegation,Use for DNSSEC Validation,Implement for DNSSEC Delegation,Implement for DNSSEC Validation,Reference
0,Reserved,MUST NOT,MUST NOT,MUST NOT,MUST NOT,[RFC3658]
1,SHA-1,MUST NOT,RECOMMENDED,MUST NOT,MUST,[RFC3658][RFC-ietf-dnsop-must-not-sha1-09]
2,SHA-256,RECOMMENDED,RECOMMENDED,MUST,MUST,[RFC4509]
3,GOST R 34.11-94,MUST NOT,MUST NOT,MUST NOT,MUST NOT,[RFC5933][Change the status of GOST Signature Algorithms in DNSSEC in the IETF stream to Historic][RFC-ietf-dnsop-must-not-ecc-gost-07]
4,SHA-384,MAY,RECOMMENDED,MAY,RECOMMENDED,[RFC6605]
5,GOST R 34.11-2012,MAY,MAY,MAY,MAY,[RFC9558]
6,SM3,MAY,MAY,MAY,MAY,[RFC9563]
7-127,Unassigned,,,,,
128-252,Reserved,,,,,[RFC-ietf-dnsop-rfc8624-bis-13]
253-254,Reserved for Private Use,,,,,[RFC-ietf-dnsop-rfc8624-bis-13]
255,Unassigned,,,,,