DomainKeys Identified Mail (DKIM) Parameters
- Created
- 2007-03-08
- Last Updated
- 2018-07-06
- Available Formats
-

XML
HTML
TXT
Registries Included Below
- DKIM Signature Tag Specifications
- DKIM-Signature Query Method
- DKIM-Signature Canonicalization Header
- DKIM-Signature Canonicalization Body
- _domainkey DNS TXT Record Tag Specifications
- DKIM Key Type
- DKIM Hash Algorithms
- DKIM Service Types
- DKIM Selector Flags
- Authorized Third-Party Signature (ATPS) Tag Registry
- DKIM Reporting Tag Registry
DKIM Signature Tag Specifications
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| v | [RFC 6376] | active |
| a | [RFC 6376] | active |
| b | [RFC 6376] | active |
| bh | [RFC 6376] | active |
| c | [RFC 6376] | active |
| d | [RFC 6376] | active |
| h | [RFC 6376] | active |
| i | [RFC 6376] | active |
| l | [RFC 6376] | active |
| q | [RFC 6376] | active |
| s | [RFC 6376] | active |
| t | [RFC 6376] | active |
| x | [RFC 6376] | active |
| z | [RFC 6376] | active |
| atps | [RFC 6541] | active |
| atpsh | [RFC 6541] | active |
| r | [RFC 6651] | active |
DKIM-Signature Query Method
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Option | Reference | Status |
|---|---|---|---|
| dns | txt | [RFC 6376] | active |
DKIM-Signature Canonicalization Header
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| simple | [RFC 6376] | active |
| relaxed | [RFC 6376] | active |
DKIM-Signature Canonicalization Body
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| simple | [RFC 6376] | active |
| relaxed | [RFC 6376] | active |
_domainkey DNS TXT Record Tag Specifications
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| v | [RFC 6376] | active |
| g | [RFC 4871] | historic |
| h | [RFC 6376] | active |
| k | [RFC 6376] | active |
| n | [RFC 6376] | active |
| p | [RFC 6376] | active |
| s | [RFC 6376] | active |
| t | [RFC 6376] | active |
DKIM Key Type
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| rsa | [RFC 8017] | active |
| ed25519 | [RFC 8032] | active |
DKIM Hash Algorithms
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| sha1 | [RFC 6376][RFC 8301] | historic |
| sha256 | [FIPS-180-3-2008] | active |
DKIM Service Types
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| [RFC 6376] | active | |
| * | [RFC 6376] | active |
DKIM Selector Flags
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC 6376]
- Available Formats
-

CSV
| Type | Reference | Status |
|---|---|---|
| y | [RFC 6376] | active |
| s | [RFC 6376] | active |
Authorized Third-Party Signature (ATPS) Tag Registry
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC 6541]
- Available Formats
-

CSV
| Tag | Reference | Status |
|---|---|---|
| d | [RFC 6541] | active |
| v | [RFC 6541] | active |
DKIM Reporting Tag Registry
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC 6651]
- Available Formats
-

CSV
| Tag | Reference | Status |
|---|---|---|
| ra | [RFC 6651] | active |
| rp | [RFC 6651] | active |
| rr | [RFC 6651] | active |
| rs | [RFC 6651] | active |