… topology-sensitive Authoritative Nameservers. This document defines an EDNS0 [ RFC6891 ] option to convey network information that is relevant to the DNS message. It will carry sufficient network information about the originator for the Authoritative Nameserver to tailor respons…

… topology-sensitive Authoritative Nameservers. This document defines an EDNS0 [ RFC6891 ] option to convey network information that is relevant to the DNS message. It will carry sufficient network information about the originator for the Authoritative Nameserver to tailor respons…

…ssages carried by UDP are restricted to 512 bytes", that was later updated by [ RFC6891 ]. This media type restricts the maximum size of the DNS message to 65535 bytes. Note that the wire format used in this media type is different than the wire format used in [ RFC7858 ] (which …

…be recorded. Or, if there is no Query ARCOUNT recorded and no Query OPT RDATA [ RFC6891 ] recorded, is that because no Query contained an OPT RR, or because that data was not stored? The Storage Parameters item therefore also contains a Storage Hints item, which specifies which i…

…erver MUST support the Extension Mechanisms for DNS (EDNS0) option defined in [ RFC6891 ] so that the DNS client can indicate to the DNS server the maximum DNS response size it can reassemble and deliver in the DNS client's network stack. If the DNS client does set the EDNS0 opti…

…at" first appears in RFC4034 EDNS: The extension mechanisms for DNS, defined in RFC6891 . Sometimes called "EDNS0" or "EDNS(0)" to indicate the version number. EDNS allows DNS clients and servers to specify message sizes larger than the original 512-octet limit, to expand the res…

…DNS Error Code (EDE) "Too Early" using the extended RCODE mechanisms defined in RFC6891 and the extended DNS errors defined in RFC8914 ; see Section 8.3 Close the connection with the error code DOQ_PROTOCOL_ERROR. 4.6. Message Sizes DoQ queries and responses are sent on QUIC stre…

…irst appears in RFC4034 ]. EDNS: The extension mechanisms for DNS, defined in [ RFC6891 ]. Sometimes called "EDNS0" or "EDNS(0)" to indicate the version number. EDNS allows DNS clients and servers to specify message sizes larger than the original 512 octet limit, to expand the re…

…tions from failing over to TCP and will work with UDP in the absence of EDNS0 [ RFC6891 ] support. Since the answer size is dependent on many things outside the scope of this document, it is only possible to give this guideline: If the size of the DNS message, the combined length…

…nknown EDNS options are supposed to be ignored by the server (Section 6.1.1 of [RFC6891]). It should say: as unknown EDNS options are supposed to be ignored by the server (Section 6.1.2 of [RFC6891]). Notes: Reference to the section in RFC 6891 is incorrect. There's no informatio…

…nknown EDNS options are supposed to be ignored by the server (Section 6.1.1 of [RFC6891]). It should say: as unknown EDNS options are supposed to be ignored by the server (Section 6.1.2 of [RFC6891]). Notes: Reference to the section in RFC 6891 is incorrect. There's no informatio…