| rfc9824v4.txt | rfc9824.txt | |||
|---|---|---|---|---|
| skipping to change at line 251 ¶ | skipping to change at line 251 ¶ | |||
| 3.5. Responses to Explicit Queries for NXNAME | 3.5. Responses to Explicit Queries for NXNAME | |||
| NXNAME is a Meta-TYPE that SHOULD NOT appear anywhere in a DNS | NXNAME is a Meta-TYPE that SHOULD NOT appear anywhere in a DNS | |||
| message apart from the NSEC type bitmap of a Compact Answer response | message apart from the NSEC type bitmap of a Compact Answer response | |||
| for a nonexistent name. However, if a DNS server implementing this | for a nonexistent name. However, if a DNS server implementing this | |||
| specification receives an explicit query for the NXNAME RR type, this | specification receives an explicit query for the NXNAME RR type, this | |||
| section describes what the response ought to be. | section describes what the response ought to be. | |||
| If an explicit query for the NXNAME RR type is received, the DNS | If an explicit query for the NXNAME RR type is received, the DNS | |||
| server MUST return a Format Error (response code FORMERR). A | server MUST return a Format Error (response code FORMERR). A | |||
| resolver SHOULD NOT forward these queries upstream or attempt | resolver MUST NOT forward these queries upstream or attempt iterative | |||
| iterative resolution. Many DNS server implementations already return | resolution. Many DNS server implementations already return errors | |||
| errors for all types in the range for Meta-TYPEs and QTYPEs, except | for all types in the range for Meta-TYPEs and QTYPEs, except those | |||
| those types that are already defined to support queries. | types that are already defined to support queries. | |||
| Optionally, a DNS server MAY also include the following Extended DNS | Optionally, a DNS server MAY also include the following Extended DNS | |||
| Error (EDE) code [RFC8914] in the response: 30 (Invalid Query Type). | Error (EDE) code [RFC8914] in the response: 30 (Invalid Query Type). | |||
| See Section 9. | See Section 9. | |||
| Note that this EDE code is generally applicable to any RR type that | Note that this EDE code is generally applicable to any RR type that | |||
| ought not appear in DNS queries. | ought not appear in DNS queries. | |||
| 4. Generating Responses with NSEC3 | 4. Generating Responses with NSEC3 | |||
| End of changes. 1 change blocks. | ||||
| 4 lines changed or deleted | 4 lines changed or added | |||
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