Registries included below
Unassigned
As noted in [RFC6762], Multicast DNS can only carry DNS records with classes in the range 0-32767. Classes in the range 32768 to 65535 are incompatible with Multicast DNS.
Decimal | Hex | Registration Procedures | Note |
---|---|---|---|
0 | 0x0000 | Standards Action | |
1-127 | 0x0000-0x007F | IETF Review | data CLASSes only |
128-253 | 0x0080-0x00FD | IETF Review | QCLASSes and meta-CLASSes only |
256-32767 | 0x0100-0x7FFF | IETF Review | |
32768-57343 | 0x8000-0xDFFF | Specification Required | data CLASSes only |
57344-65279 | 0xE000-0xFEFF | Specification Required | QCLASSes and meta-CLASSes only |
65280-65534 | 0xFF00-0xFFFE | Private Use | |
65535 | 0xFFFF | Standards Action |
Decimal | Hexadecimal | Name | Reference |
---|---|---|---|
0 | 0x0000 | Reserved | [RFC6895] |
1 | 0x0001 | Internet (IN) | [RFC1035] |
2 | 0x0002 | Unassigned | |
3 | 0x0003 | Chaos (CH) | [D. Moon, "Chaosnet", A.I. Memo 628, Massachusetts Institute of Technology Artificial Intelligence Laboratory, June 1981.] |
4 | 0x0004 | Hesiod (HS) | [Dyer, S., and F. Hsu, "Hesiod", Project Athena Technical Plan - Name Service, April 1987.] |
5-253 | 0x0005-0x00FD | Unassigned | |
254 | 0x00FE | QCLASS NONE | [RFC2136] |
255 | 0x00FF | QCLASS * (ANY) | [RFC1035] |
256-65279 | 0x0100-0xFEFF | Unassigned | |
65280-65534 | 0xFF00-0xFFFE | Reserved for Private Use | [RFC6895] |
65535 | 0xFFFF | Reserved | [RFC6895] |
Roy Arends, Frederico AC Neves, Olafur Gudmundsson, Ray Bellis
Decimal | Hex | Registration Procedures | Note |
---|---|---|---|
0 | 0x0000 | RRTYPE zero is used as a special indicator for the SIG RR [RFC2931], [RFC4034] and in other circumstances and must never be allocated for ordinary use. | |
1-127 | 0x0000-0x007F | Expert Review (see mailing list information in [RFC6895]) or Standards Action | data TYPEs |
128-255 | 0x0080-0x00FF | Expert Review (see mailing list information in [RFC6895]) or Standards Action | Q TYPEs, Meta TYPEs |
256-61439 | 0x0100-0xEFFF | Expert Review (see mailing list information in [RFC6895]) or Standards Action | data RRTYPEs |
61440-65279 | 0xF000-0xFEFF | Reserved for future use (IETF Review required to define use) | |
65280-65534 | 0xFF00-0xFFFE | Private Use | |
65535 | 0xFFFF | Reserved (Standards Action) |
TYPE | Value | Meaning | Reference | Template | Registration Date |
---|---|---|---|---|---|
A | 1 | a host address | [RFC1035] | ||
NS | 2 | an authoritative name server | [RFC1035] | ||
MD | 3 | a mail destination (OBSOLETE - use MX) | [RFC1035] | ||
MF | 4 | a mail forwarder (OBSOLETE - use MX) | [RFC1035] | ||
CNAME | 5 | the canonical name for an alias | [RFC1035] | ||
SOA | 6 | marks the start of a zone of authority | [RFC1035] | ||
MB | 7 | a mailbox domain name (EXPERIMENTAL) | [RFC1035] | ||
MG | 8 | a mail group member (EXPERIMENTAL) | [RFC1035] | ||
MR | 9 | a mail rename domain name (EXPERIMENTAL) | [RFC1035] | ||
NULL | 10 | a null RR (EXPERIMENTAL) | [RFC1035] | ||
WKS | 11 | a well known service description | [RFC1035] | ||
PTR | 12 | a domain name pointer | [RFC1035] | ||
HINFO | 13 | host information | [RFC1035] | ||
MINFO | 14 | mailbox or mail list information | [RFC1035] | ||
MX | 15 | mail exchange | [RFC1035] | ||
TXT | 16 | text strings | [RFC1035] | ||
RP | 17 | for Responsible Person | [RFC1183] | ||
AFSDB | 18 | for AFS Data Base location | [RFC1183][RFC5864] | ||
X25 | 19 | for X.25 PSDN address | [RFC1183] | ||
ISDN | 20 | for ISDN address | [RFC1183] | ||
RT | 21 | for Route Through | [RFC1183] | ||
NSAP | 22 | for NSAP address, NSAP style A record | [RFC1706] | ||
NSAP-PTR | 23 | for domain name pointer, NSAP style | [RFC1348][RFC1637][RFC1706] | ||
SIG | 24 | for security signature | [RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2931][RFC3110][RFC3008] | ||
KEY | 25 | for security key | [RFC4034][RFC3755][RFC2535][RFC2536][RFC2537][RFC2539][RFC3008][RFC3110] | ||
PX | 26 | X.400 mail mapping information | [RFC2163] | ||
GPOS | 27 | Geographical Position | [RFC1712] | ||
AAAA | 28 | IP6 Address | [RFC3596] | ||
LOC | 29 | Location Information | [RFC1876] | ||
NXT | 30 | Next Domain (OBSOLETE) | [RFC3755][RFC2535] | ||
EID | 31 | Endpoint Identifier | [Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt] | 1995-06 | |
NIMLOC | 32 | Nimrod Locator | [1][Michael_Patton][http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt] | 1995-06 | |
SRV | 33 | Server Selection | [1][RFC2782] | ||
ATMA | 34 | ATM Address | [ ATM Forum Technical Committee, "ATM Name System, V2.0", Doc ID: AF-DANS-0152.000, July 2000. Available from and held in escrow by IANA.] | ||
NAPTR | 35 | Naming Authority Pointer | [RFC2915][RFC2168][RFC3403] | ||
KX | 36 | Key Exchanger | [RFC2230] | ||
CERT | 37 | CERT | [RFC4398] | ||
A6 | 38 | A6 (OBSOLETE - use AAAA) | [RFC3226][RFC2874][RFC6563] | ||
DNAME | 39 | DNAME | [RFC6672] | ||
SINK | 40 | SINK | [Donald_E_Eastlake][http://tools.ietf.org/html/draft-eastlake-kitchen-sink] | 1997-11 | |
OPT | 41 | OPT | [RFC6891][RFC3225] | ||
APL | 42 | APL | [RFC3123] | ||
DS | 43 | Delegation Signer | [RFC4034][RFC3658] | ||
SSHFP | 44 | SSH Key Fingerprint | [RFC4255] | ||
IPSECKEY | 45 | IPSECKEY | [RFC4025] | ||
RRSIG | 46 | RRSIG | [RFC4034][RFC3755] | ||
NSEC | 47 | NSEC | [RFC4034][RFC3755] | ||
DNSKEY | 48 | DNSKEY | [RFC4034][RFC3755] | ||
DHCID | 49 | DHCID | [RFC4701] | ||
NSEC3 | 50 | NSEC3 | [RFC5155] | ||
NSEC3PARAM | 51 | NSEC3PARAM | [RFC5155] | ||
TLSA | 52 | TLSA | [RFC6698] | ||
SMIMEA | 53 | S/MIME cert association | [RFC8162] | SMIMEA/smimea-completed-template | 2015-12-01 |
Unassigned | 54 | ||||
HIP | 55 | Host Identity Protocol | [RFC8005] | ||
NINFO | 56 | NINFO | [Jim_Reid] | NINFO/ninfo-completed-template | 2008-01-21 |
RKEY | 57 | RKEY | [Jim_Reid] | RKEY/rkey-completed-template | 2008-01-21 |
TALINK | 58 | Trust Anchor LINK | [Wouter_Wijngaards] | TALINK/talink-completed-template | 2010-02-17 |
CDS | 59 | Child DS | [RFC7344] | CDS/cds-completed-template | 2011-06-06 |
CDNSKEY | 60 | DNSKEY(s) the Child wants reflected in DS | [RFC7344] | 2014-06-16 | |
OPENPGPKEY | 61 | OpenPGP Key | [RFC7929] | OPENPGPKEY/openpgpkey-completed-template | 2014-08-12 |
CSYNC | 62 | Child-To-Parent Synchronization | [RFC7477] | 2015-01-27 | |
ZONEMD | 63 | Message Digest Over Zone Data | [RFC-ietf-dnsop-dns-zone-digest-14] | ZONEMD/zonemd-completed-template | 2018-12-12 |
SVCB | 64 | Service Binding | [draft-ietf-dnsop-svcb-https-00] | SVCB/svcb-completed-template | 2020-06-30 |
HTTPS | 65 | HTTPS Binding | [draft-ietf-dnsop-svcb-https-00] | HTTPS/https-completed-template | 2020-06-30 |
Unassigned | 66-98 | ||||
SPF | 99 | [RFC7208] | |||
UINFO | 100 | [IANA-Reserved] | |||
UID | 101 | [IANA-Reserved] | |||
GID | 102 | [IANA-Reserved] | |||
UNSPEC | 103 | [IANA-Reserved] | |||
NID | 104 | [RFC6742] | ILNP/nid-completed-template | ||
L32 | 105 | [RFC6742] | ILNP/l32-completed-template | ||
L64 | 106 | [RFC6742] | ILNP/l64-completed-template | ||
LP | 107 | [RFC6742] | ILNP/lp-completed-template | ||
EUI48 | 108 | an EUI-48 address | [RFC7043] | EUI48/eui48-completed-template | 2013-03-27 |
EUI64 | 109 | an EUI-64 address | [RFC7043] | EUI64/eui64-completed-template | 2013-03-27 |
Unassigned | 110-248 | ||||
TKEY | 249 | Transaction Key | [RFC2930] | ||
TSIG | 250 | Transaction Signature | [RFC8945] | ||
IXFR | 251 | incremental transfer | [RFC1995] | ||
AXFR | 252 | transfer of an entire zone | [RFC1035][RFC5936] | ||
MAILB | 253 | mailbox-related RRs (MB, MG or MR) | [RFC1035] | ||
MAILA | 254 | mail agent RRs (OBSOLETE - see MX) | [RFC1035] | ||
* | 255 | A request for some or all records the server has available | [RFC1035][RFC6895][RFC8482] | ||
URI | 256 | URI | [RFC7553] | URI/uri-completed-template | 2011-02-22 |
CAA | 257 | Certification Authority Restriction | [RFC8659] | CAA/caa-completed-template | 2011-04-07 |
AVC | 258 | Application Visibility and Control | [Wolfgang_Riedel] | AVC/avc-completed-template | 2016-02-26 |
DOA | 259 | Digital Object Architecture | [draft-durand-doa-over-dns] | DOA/doa-completed-template | 2017-08-30 |
AMTRELAY | 260 | Automatic Multicast Tunneling Relay | [RFC8777] | AMTRELAY/amtrelay-completed-template | 2019-02-06 |
Unassigned | 261-32767 | ||||
TA | 32768 | DNSSEC Trust Authorities | [Sam_Weiler][http://cameo.library.cmu.edu/][ Deploying DNSSEC Without a Signed Root. Technical Report 1999-19, Information Networking Institute, Carnegie Mellon University, April 2004.] | 2005-12-13 | |
DLV | 32769 | DNSSEC Lookaside Validation (OBSOLETE) | [RFC8749][RFC4431] | ||
Unassigned | 32770-65279 | ||||
Private use | 65280-65534 | ||||
Reserved | 65535 |
Standards Action
OpCode | Name | Reference |
---|---|---|
0 | Query | [RFC1035] |
1 | IQuery (Inverse Query, OBSOLETE) | [RFC3425] |
2 | Status | [RFC1035] |
3 | Unassigned | |
4 | Notify | [RFC1996] |
5 | Update | [RFC2136] |
6 | DNS Stateful Operations (DSO) | [RFC8490] |
7-15 | Unassigned |
Range | Registration Procedures |
---|---|
0-3840 | IETF Review |
3841-4095 | Private Use |
4096-65534 | IETF Review |
65535 | Reserved (Standards Action) |
RCODE | Name | Description | Reference |
---|---|---|---|
0 | NoError | No Error | [RFC1035] |
1 | FormErr | Format Error | [RFC1035] |
2 | ServFail | Server Failure | [RFC1035] |
3 | NXDomain | Non-Existent Domain | [RFC1035] |
4 | NotImp | Not Implemented | [RFC1035] |
5 | Refused | Query Refused | [RFC1035] |
6 | YXDomain | Name Exists when it should not | [RFC2136][RFC6672] |
7 | YXRRSet | RR Set Exists when it should not | [RFC2136] |
8 | NXRRSet | RR Set that should exist does not | [RFC2136] |
9 | NotAuth | Server Not Authoritative for zone | [RFC2136] |
9 | NotAuth | Not Authorized | [RFC8945] |
10 | NotZone | Name not contained in zone | [RFC2136] |
11 | DSOTYPENI | DSO-TYPE Not Implemented | [RFC8490] |
12-15 | Unassigned | ||
16 | BADVERS | Bad OPT Version | [RFC6891] |
16 | BADSIG | TSIG Signature Failure | [RFC8945] |
17 | BADKEY | Key not recognized | [RFC8945] |
18 | BADTIME | Signature out of time window | [RFC8945] |
19 | BADMODE | Bad TKEY Mode | [RFC2930] |
20 | BADNAME | Duplicate key name | [RFC2930] |
21 | BADALG | Algorithm not supported | [RFC2930] |
22 | BADTRUNC | Bad Truncation | [RFC8945] |
23 | BADCOOKIE | Bad/missing Server Cookie | [RFC7873] |
24-3840 | Unassigned | ||
3841-4095 | Reserved for Private Use | [RFC6895] | |
4096-65534 | Unassigned | ||
65535 | Reserved, can be allocated by Standards Action | [RFC6895] |
Registry closed per [RFC6895]
Decimal | Hexadecimal | Description | Reference |
---|---|---|---|
0 | 0x0000 | Reserved; registry closed | [RFC6895] |
1 | 0x0001 | Andrews File Service v3.0 Location Service | [RFC1183] |
2 | 0x0002 | DCE/NCA root cell directory node | [RFC1183] |
3-65279 | 0x0003-0xFEFF | Not allocated; registry closed | |
65280-65534 | 0xFF00-0xFFFE | Reserved for Private Use | [RFC6895] |
65535 | 0xFFFF | Reserved; registry closed | [RFC6895] |
Standards Action
Olafur Gudmundsson
Registration rules to be as follows: New DHCID RR type codes are tentatively assigned after the specification for the associated type code, published as an Internet Draft, has received expert review by a designated expert. The final assignment of DHCID RR type codes is through Standards Action, as defined in [RFC2434].
Identifier Type Code | Identifier | Reference |
---|---|---|
0x0000 | The 1-octet 'htype' followed by 'hlen' octets of 'chaddr' from a DHCPv4 client's DHCPREQUEST. | [RFC4701] |
0x0001 | The data octets (i.e., the Type and Client-Identifier fields) from a DHCPv4 client's Client Identifier option. | [RFC4701] |
0x0002 | The client's DUID (i.e., the data octets of a DHCPv6 client's Client Identifier option or the DUID field from a DHCPv4 client's Client Identifier option). | [RFC4701] |
0x0003-0xFFFE | Unassigned | [RFC4701] |
0xFFFF | Reserved | [RFC4701] |
Standards Action
Digest Type Code | Description | Reference |
---|---|---|
0 | Reserved | [RFC4701] |
1 | SHA-256 | [RFC4701] |
2-255 | Unassigned |
Standards Action
The top 2 bits of the first byte of an DNS label indicate the type of label.
Value | Type | Status | Reference |
---|---|---|---|
0 0 | Normal label lower 6 bits is the length of the label | Standard | [RFC1035] |
1 1 | Compressed label the lower 6 bits and the 8 bits from next octet form a pointer to the compression target. | Standard | [RFC1035] |
0 1 | Extended label type the lower 6 bits of this type (section 3) indicate the type of label in use | Proposed | [RFC6891] |
0 1 0 0 0 0 0 1 | Binary Label | Historic | [RFC3364][RFC3363][RFC2673][RFC6891] |
0 1 1 1 1 1 1 1 | Reserved for future expansion. | Proposed | [RFC6891] |
1 0 | Unallocated |
Olafur Gudmundsson
Registrations made by standards-track documents are listed as "Standard," and by non-standards-track documents as "Optional." Registrations for which there are no final specifications are listed as "On-Hold."
Range | Registration Procedures |
---|---|
1-65000 | Expert Review |
65001-65534 | Local/Experimental Use |
Value | Name | Status | Reference |
---|---|---|---|
0 | Reserved | [RFC6891] | |
1 | LLQ | Optional | [RFC8764] |
2 | UL | On-hold | [http://files.dns-sd.org/draft-sekar-dns-ul.txt] |
3 | NSID | Standard | [RFC5001] |
4 | Reserved | [draft-cheshire-edns0-owner-option] | |
5 | DAU | Standard | [RFC6975] |
6 | DHU | Standard | [RFC6975] |
7 | N3U | Standard | [RFC6975] |
8 | edns-client-subnet | Optional | [RFC7871] |
9 | EDNS EXPIRE | Optional | [RFC7314] |
10 | COOKIE | Standard | [RFC7873] |
11 | edns-tcp-keepalive | Standard | [RFC7828] |
12 | Padding | Standard | [RFC7830] |
13 | CHAIN | Standard | [RFC7901] |
14 | edns-key-tag | Optional | [RFC8145] |
15 | Extended DNS Error | Standard | [RFC8914] |
16 | EDNS-Client-Tag | Optional | [draft-bellis-dnsop-edns-tags] |
17 | EDNS-Server-Tag | Optional | [draft-bellis-dnsop-edns-tags] |
18-26945 | Unassigned | ||
26946 | DeviceID | Optional | [https://docs.umbrella.com/developer/networkdevices-api/identifying-dns-traffic2][Brian_Hartvigsen] |
26947-65000 | Unassigned | ||
65001-65534 | Reserved for Local/Experimental Use | [RFC6891] | |
65535 | Reserved for future expansion | [RFC6891] |
Standards Action
In DNS query header there is a flag field in the second 16 bit word in query from bit 5 through bit 11 ([RFC1035] section 4.1.1)
Bit | Flag | Description | Reference |
---|---|---|---|
bit 5 | AA | Authoritative Answer | [RFC1035] |
bit 6 | TC | Truncated Response | [RFC1035] |
bit 7 | RD | Recursion Desired | [RFC1035] |
bit 8 | RA | Recursion Available | [RFC1035] |
bit 9 | Reserved | ||
bit 10 | AD | Authentic Data | [RFC4035][RFC6840][RFC Errata 4924] |
bit 11 | CD | Checking Disabled | [RFC4035][RFC6840][RFC Errata 4927] |
Standards Action
Bit | Flag | Description | Reference |
---|---|---|---|
Bit 0 | DO | DNSSEC answer OK | [RFC4035][RFC3225][RFC6840][RFC Errata 4928] |
Bit 1-15 | Reserved |
Standards Action
Range | Description | Reference |
---|---|---|
0 | EDNS version 0 | [RFC6891] |
1-255 | Unassigned |
Standards Action
Bit | Flag | Description | Reference |
---|---|---|---|
0 | immediate | Immediately process this CSYNC record. | [RFC7477, Section 3] |
1 | soaminimum | Require a SOA serial number greater than the one specified. | [RFC7477, Section 2.1.1.1] |
2-15 | Unassigned |
Expert Review
Frederico A C Neves, Paul Wouters
RR Type | _NODE NAME | Reference |
---|---|---|
* | _example | [RFC8552, Section 4.1.4] |
NULL | _ta-* [2] | [RFC8145] |
OPENPGPKEY | _openpgpkey | [RFC7929] |
SMIMEA | _smimecert | [RFC8162] |
SRV | _dccp | [RFC2782] |
SRV | _http | [RFC4386] |
SRV | _ipv6 | [RFC5026] |
SRV | _ldap | [RFC4386] |
SRV | _ocsp | [RFC4386] |
SRV | _sctp | [RFC2782] |
SRV | _sip | [RFC5509] |
SRV | _tcp | [RFC2782] |
SRV | _udp | [RFC2782] |
SRV | _xmpp | [RFC3921] |
TLSA | _dane | [RFC7671] |
TLSA | _sctp | [RFC6698] |
TLSA | _tcp | [RFC6698] |
TLSA | _udp | [RFC6698] |
TXT | _acme-challenge | [RFC8555] |
TXT | _dmarc | [RFC7489] |
TXT | _domainkey | [RFC6376] |
TXT | _mta-sts | [RFC8461] |
TXT | _spf | [RFC7208] |
TXT | _sztp | [RFC8572] |
TXT | _tcp | [RFC6763] |
TXT | _udp | [RFC6763] |
TXT | _vouch | [RFC5518] |
URI | _acct | [RFC6118] |
URI | _dccp | [RFC7566] |
URI | _email | [RFC6118] |
URI | _ems | [RFC6118] |
URI | _fax | [RFC6118] |
URI | _ft | [RFC6118] |
URI | _h323 | [RFC6118] |
URI | _iax | [RFC6118] |
URI | _ical-access | [RFC6118] |
URI | _ical-sched | [RFC6118] |
URI | _ifax | [RFC6118] |
URI | _im | [RFC6118] |
URI | _mms | [RFC6118] |
URI | _pres | [RFC6118] |
URI | _pstn | [RFC6118] |
URI | _sctp | [RFC6118] |
URI | _sip | [RFC6118] |
URI | _sms | [RFC6118] |
URI | _tcp | [RFC6118] |
URI | _udp | [RFC6118] |
URI | _unifmsg | [RFC6118] |
URI | _vcard | [RFC6118] |
URI | _videomsg | [RFC6118] |
URI | _voice | [RFC6118] |
URI | _voicemsg | [RFC6118] |
URI | _vpim | [RFC6118] |
URI | _web | [RFC6118] |
URI | _xmpp | [RFC6118] |
Ted Lemon, Sara Dickinson, John Dickinson
Range | Registration Procedures |
---|---|
0x0004-0x003F | Standards Action |
0x0040-0xF7FF | Expert Review |
0xF800-0xFBFF | Experimental/Local Use |
0xFC00-0xFFFF | Standards Action |
Type | Name | Early Data | Status | Reference |
---|---|---|---|---|
0x0000 | Reserved | NO | Standards Track | [RFC8490] |
0x0001 | KeepAlive | OK | Standards Track | [RFC8490] |
0x0002 | RetryDelay | NO | Standards Track | [RFC8490] |
0x0003 | EncryptionPadding | NA | Standards Track | [RFC8490] |
0x0004-0x003F | Unassigned, reserved for DSO session-management TLVs | NO | ||
0x0040 | SUBSCRIBE | OK | Standards Track | [RF8765, Section 6.2] |
0x0041 | PUSH | NO | Standards Track | [RF8765, Section 6.3] |
0x0042 | UNSUBSCRIBE | NO | Standards Track | [RF8765, Section 6.4] |
0x0043 | RECONFIRM | NO | Standards Track | [RF8765, Section 6.5] |
0x0044-0xF7FF | Unassigned | NO | ||
0xF800-0xFBFF | Reserved for Experimental/Local Use | NO | [RFC8490] | |
0xFC00-0xFFFF | Reserved for future expansion | NO |
Range | Registration Procedures |
---|---|
0-49151 | First Come First Served |
49152-65535 | Private Use |
INFO-CODE | Purpose | Reference |
---|---|---|
0 | Other Error | [RFC8914, Section 4.1] |
1 | Unsupported DNSKEY Algorithm | [RFC8914, Section 4.2] |
2 | Unsupported DS Digest Type | [RFC8914, Section 4.3] |
3 | Stale Answer | [RFC8914, Section 4.4][RFC8767] |
4 | Forged Answer | [RFC8914, Section 4.5] |
5 | DNSSEC Indeterminate | [RFC8914, Section 4.6] |
6 | DNSSEC Bogus | [RFC8914, Section 4.7] |
7 | Signature Expired | [RFC8914, Section 4.8] |
8 | Signature Not Yet Valid | [RFC8914, Section 4.9] |
9 | DNSKEY Missing | [RFC8914, Section 4.10] |
10 | RRSIGs Missing | [RFC8914, Section 4.11] |
11 | No Zone Key Bit Set | [RFC8914, Section 4.12] |
12 | NSEC Missing | [RFC8914, Section 4.13] |
13 | Cached Error | [RFC8914, Section 4.14] |
14 | Not Ready | [RFC8914, Section 4.15] |
15 | Blocked | [RFC8914, Section 4.16] |
16 | Censored | [RFC8914, Section 4.17] |
17 | Filtered | [RFC8914, Section 4.18] |
18 | Prohibited | [RFC8914, Section 4.19] |
19 | Stale NXDomain Answer | [RFC8914, Section 4.20] |
20 | Not Authoritative | [RFC8914, Section 4.21] |
21 | Not Supported | [RFC8914, Section 4.22] |
22 | No Reachable Authority | [RFC8914, Section 4.23] |
23 | Network Error | [RFC8914, Section 4.24] |
24 | Invalid Data | [RFC8914, Section 4.25] |
25-49151 | Unassigned | |
49152-65535 | Reserved for Private Use | [RFC8914, Section 5.2] |
Unassigned
Range | Registration Procedures |
---|---|
1-239 | Specification Required |
240-254 | Private Use |
Value | Description | Mnemonic | Reference |
---|---|---|---|
0 | Reserved | [RFC-ietf-dnsop-dns-zone-digest-14] | |
1 | Simple ZONEMD collation | SIMPLE | [RFC-ietf-dnsop-dns-zone-digest-14] |
2-239 | Unassigned | ||
240-254 | Reserved for Private Use | N/A | [RFC-ietf-dnsop-dns-zone-digest-14] |
255 | Reserved | [RFC-ietf-dnsop-dns-zone-digest-14] |
Unassigned
Range | Registration Procedures |
---|---|
1-239 | Specification Required |
240-254 | Private Use |
Value | Description | Mnemonic | Reference |
---|---|---|---|
0 | Reserved | [RFC-ietf-dnsop-dns-zone-digest-14] | |
1 | SHA-384 | SHA384 | [RFC-ietf-dnsop-dns-zone-digest-14] |
2 | SHA-512 | SHA512 | [RFC-ietf-dnsop-dns-zone-digest-14] |
3-239 | Unassigned | ||
240-254 | Reserved for Private Use | N/A | [RFC-ietf-dnsop-dns-zone-digest-14] |
255 | Reserved | [RFC-ietf-dnsop-dns-zone-digest-14] |
ID | Name | Contact URI | Last Updated |
---|---|---|---|
[Brian_Hartvigsen] | Brian Hartvigsen | mailto:bhartvig&cisco.com | 2016-12-09 |
[Donald_E_Eastlake] | Donald E. Eastlake, III | mailto:d3e3e3&gmail.com | 1997-11 |
[George_Barwood] | George Barwood | mailto:george.barwood&blueyonder.co.uk | 2011-06-06 |
[Jim_Reid] | Jim Reid | mailto:jim&telnic.org | 2008-01-21 |
[Michael_Patton] | Michael Patton | mailto:map&bbn.com | 1995-06 |
[Patrik_Faltstrom] | Patrik Fältström | mailto:paf&frobbit.se | 2015-01-05 |
[Phillip_Hallam_Baker] | Phillip Hallam-Baker | mailto:phill&hallambaker.com | 2011-04-07 |
[Sam_Weiler] | Sam Weiler | mailto:weiler+iana&tislabs.com | 2005-12 |
[Wolfgang_Riedel] | Wolfgang Riedel | mailto:wolfgang&cisco.com | 2016-02-26 |
[Wouter_Wijngaards] | Wouter Wijngaards | mailto:wouter&nlnetlabs.nl | 2010-02-17 |
[1] |
In [RFC1002], two types are defined. It is not clear that these are in use, though if so their assignment does conflict with those above. NB 32 NetBIOS general Name Service NBSTAT 33 NetBIOS NODE STATUS |
[2] |
From [RFC8552, Section 4.1.3 _ta]: Under the NULL RR, the entry "_ta-*" denotes all node names beginning with the string "_ta-*". It does NOT refer to a DNS wildcard specification. |