Meta comment: As always, thank you very much, RFC Edior….

On Wed, Oct 29, 2025 at 11:04 PM, <[email protected]> wrote:

> Authors,
>
> While reviewing this document during AUTH48, please resolve (as necessary)
> the following questions, which are also in the source file.
>
> 1) <!-- [rfced] Please insert any keywords (beyond those that appear in
> the title) for use on https://www.rfc-editor.org/search.
> -->
>
>

DNS, rollover, agility



> 2) <!--[rfced] In the first sentence, should "an IANA registry" be updated
> to "the IANA DNSSEC algorithm registries"? In the second sentence, should
> "this registry" be updated to "these registries"?
>

Yes please!


If not, should the registry name be included for clarity?
>
> Also, please clarify "incremental update RFCs". Is the intended meaning
> that future extensions can be made under new, incremental RFCs that update
> this document?
>


TBD



> Current:
> This document replaces and obsoletes RFC 8624 and moves the canonical
> source of algorithm implementation requirements and usage guidance for
> DNSSEC from RFC 8624 to an IANA registry.
>
> Future extensions to this registry can be made under new, incremental
> update RFCs.
>
> Perhaps:
> This document replaces and obsoletes RFC 8624 and moves the canonical
> source of algorithm implementation requirements and usage guidance for
> DNSSEC from RFC 8624 to the IANA DNSSEC algorithm registries.
>
> Future extensions to these registries can be made under new, incremental
> RFCs that update this document.
> -->
>
> 3) <!--[rfced] We assume that the second instance of "the list" is "the
> list of requirements"; therefore, we have updated this sentence for clarity
> as shown below. Please let us know if this is incorrect.
>
> Original:
> This is done both to allow the list of requirements to be more easily
> updated, and to allow the list to be more easily referenced.
>
> Current:
> This is done to allow the list of requirements to be more easily updated
> and referenced.
> -->
>
>

Great, thank you!


> 4) <!--[rfced] FYI: We added that this document "updates RFC 9157" in the
> Abstract as shown below.
>
> Original:
> This document also incorporates the revised IANA DNSSEC considerations
> from RFC9157.
>
> Current:
> This document also updates RFC 9157 and incorporates the revised IANA
> DNSSEC considerations from that RFC.
> -->
>
>

Great, thank you!



> 5) <!--[rfced] Should "MUST", "MAY", and "RECOMMENDED" be referred to as
> the "recommendation status" or the "DNSSEC delegation, signing, or
> validation status" rather than "status" for clarity?
>
> Original:
> The document does not change the status (MUST, MAY, RECOMMENDED, etc.) of
> the algorithms listed in RFC8624; that is the work of future documents.
>
> Perhaps:
> This document does not change the recommendation status (MUST, MAY,
> RECOMMENDED, etc.) of the algorithms listed in RFC 8624; that is the work
> of future documents.
> -->
>
>

Yup, thank you!


> 6) <!--[rfced] FYI: We updated the second IANA registry listed below to
> reflect the registry name rather than the registry group for clarity and
> consistency.
>
> Original:
> The columns added to the IANA "DNS Security Algorithm Numbers"
> [DNSKEY-IANA] and "DNSSEC Delegation Signer (DS) Resource Record (RR) Type
> Digest Algorithms" [DS-IANA] registries target DNSSEC operators and
> implementers.
>
> Current:
> The columns added to the IANA "DNS Security Algorithm Numbers"
> [DNSKEY-IANA] and "Digest Algorithms" [DS-IANA] registries target DNSSEC
> operators and implementers.
> -->
>
>

Thanks!


> 7) <!--[rfced] Questions about Section 2.2
>
> a) In this section, may we put the notes that appear in the IANA registry
> within <blockquote>? Should lead-in sentences be added for clarity? If so,
> please provide the desired text.
>
> Perhaps:
> The following note describing the procedures for adding and changing
> values has been added to the "DNS Security Algorithm Numbers" registry:
>
> Note: ...
>
> The following note has been added to the "Digest Algorithms" registry:
>
> Note: ...
>
> b) May we update the phrasing of these two paragraphs for ease of reading
> as shown below (i.e., make "existing values" singular for consistency and
> move the '"any value other than "May"' phrasing up)? If agreeable, we will
> ask IANA to make the same updates to the notes in the corresponding
> registries.
>

Yes please!


> c) In the first example below, should the "DNS System Algorithm Numbers"
> registry be updated to the "DNS Security Algorithm Numbers" registry? Note
> that this registry name also appears in the first paragraph in Section 2.2.
>
> d) Note: Per IANA's note, we have updated the "DNS System Algorithm
> Numbers" registry to the "Digest Algorithms" registry in the second example
> shown below.
>
> Original:
> Adding a new entry to, or changing existing values in, the "DNS System
> Algorithm Numbers" registry for the "Use for DNSSEC Signing", "Use for
> DNSSEC Validation", "Implement for DNSSEC Signing", or "Implement for
> DNSSEC Validation" columns to any other value than "MAY" requires a
> Standards Action.
>
> Perhaps:
> Adding a new entry to, or changing an existing value in, the "DNS Security
> Algorithm Numbers" registry that has any value other than
> "MAY" in the "Use for DNSSEC Signing", "Use for DNSSEC Validation",
> "Implement for DNSSEC Signing", or "Implement for DNSSEC Validation"
> columns requires Standards Action.
>
> ...
> Original:
> Adding a new entry to, or changing existing values in, the "DNS System
> Algorithm Numbers" registry for the "Use for DNSSEC Delegation", "Use for
> DNSSEC Validation", "Implement for DNSSEC Delegation", or
> "Implement for DNSSEC Validation" columns to any other value than
> "MAY" requires a Standards Action.
>
> Perhaps:
> Adding a new entry to, or changing an existing value in, the
> "Digest Algorithm Numbers" registry that has any value other than
> "MAY" in the "Use for DNSSEC Delegation", "Use for DNSSEC Validation",
> "Implement for DNSSEC Delegation", or "Implement for DNSSEC Validation"
> columns requires Standards Action.
> -->
>
>

Yes to all!



> 8) <!--[rfced] Section 3. Since there are multiple registries under the
> "Domain Name System Security (DNSSEC) Algorithm Numbers" registry group,
> we added the registry name for clarity as shown below.
>
> Also, to avoid using "recommendation" twice, do you prefer option A, which
> matches the title of Table 2, or option B? Note that there is similar text
> in Section 4 that we would also apply this update to.
>
> Original:
> Initial recommendation columns of use and implementation recommendations
> for the "Domain Name System Security (DNSSEC) Algorithm Numbers" are shown
> in Table 2.
>
> Perhaps A:
> Initial values for the use and implementation recommendation columns in
> the "DNS Security Algorithm Numbers" registry under the "Domain Name System
> Security (DNSSEC) Algorithm Numbers" registry group are shown in Table 2.
>
> or
> Perhaps B:
> Initial use and implementation recommendation columns in the
> "DNS Security Algorithm Numbers" registry under the "Domain Name System
> Security (DNSSEC) Algorithm Numbers" registry group are shown in Table 2.
> -->
>
>

Either is fine with me - whatever y'all and my co-author think….


> 9) <!--[rfced] Should "use" be "Use for" and "column" be "columns"? If
> not, please clarify which "use" column this is referring to. Note that this
> sentence occurs in Sections 3 and 4.
>
> Original:
> When there are multiple RECOMMENDED algorithms in the "use" column,
> operators should choose the best algorithm according to local policy.
>
> Perhaps:
> When there are multiple RECOMMENDED algorithms in the "Use for" columns,
> operators should choose the best algorithm according to local policy.
> -->
>
>

Yes!


> 10) <!--[rfced] Questions about Table 2
>
> a) In Table 2, some of the values in the "Use for" and
> "Implement for" columns are different than what is listed in "DNS Security
> Algorithm Numbers" registry (specifically, see numbers 5, 7, and 12).
> Should Table 2 be updated to match the IANA registry as shown below, or
> should the IANA registry be updated to match Table 2?
>
>

The IANA Registry should be updated (which kicked this off); my
co-author and I will discuss….


> b) In Table 2, numbers 17, 23, 253, and 254 use terms from the Description
> column in the registry whereas the rest of the numbers use terms from the
> Mnemonic column. Should these numbers be updated to use the mnemonic terms
> for consistency as shown below, or do you prefer otherwise?
>
> Registry URL: <https://www.iana.org/assignments/dns-sec-alg-numbers/>
>
> Original:
>
> 5 RSASHA1 NOT RECOMMENDED|RECOMMENDED|NOT RECOMMENDED|MUST 7
> RSASHA1-NSEC3-SHA1 NOT RECOMMENDED|RECOMMENDED|NOT RECOMMENDED|MUST 12
> ECC-GOST MUST NOT | MAY |MUST NOT |MAY 17 SM2/SM3 ...
> 23 GOST R
> 34.10-2012
> 253 private algorithm
> 254 private algorithm OID
>
> Perhaps (to match the IANA registry):
>
> 5 RSASHA1 MUST NOT |RECOMMENDED |NOT RECOMMENDED |MUST 7
> RSASHA1-NSEC3-SHA1 MUST NOT |RECOMMENDED |NOT RECOMMENDED |MUST 12 ECC-GOST
> MUST NOT |MUST NOT |MUST NOT |MUST NOT 17 SM2SM3 ...
> 23 ECC-GOST12
> 253 PRIVATEDNS
> 254 PRIVATEOID
> -->
>
>

Ooooh, good catch. I like your proposal…


> 11) <!--[rfced] FYI: We updated the titles of Section 4 and Table 3 to
> reflect the registry name rather than the registry group name for clarity
> and consistency as shown below.
>
> Original (Section 4):
> 4. DNSSEC Delegation Signer (DS) Resource Record (RR) Type Digest
> Algorithms Column Values
>
> Current:
> 4. Digest Algorithms Registry Column Values
>
> ...
> Original (Table 3 title):
> Initial values for the DNSSEC Delegation Signer (DS) Resource Record (RR)
> Type Digest Algorithms columns
>
> Current:
> Initial Values for the Digest Algorithms Registry Columns
> -->
>
>

Yes please.


> 12) <!--[rfced] We note differences between Table 3 and the "Digest
> Algorithms" registry. Should this document be updated to match the registry
> as shown below, or should the registry be updated to match this document?
>
> We also note that this document is listed as a reference for values
> 128-252 and 253-254. Should this document be listed as a reference for any
> other values in the registry?
>
> Registry URL: <https://www.iana.org/assignments/ds-rr-types/>
>
> Original:
>
> 0 NULL
> (CDS only) MUST NOT | MUST NOT | MUST NOT | MUST NOT
>
> 3 GOST R
> 34.11-94 MUST NOT | MAY | MUST NOT | MAY
>
> Perhaps (to match the IANA registry):
>
> 0 Reserved MUST NOT | MUST NOT | MUST NOT | MUST NOT
>
> 3 GOST R
> 34.11-94 MUST NOT | MUST NOT | MUST NOT | MUST NOT
> -->
>
>

The registry should be updated. My co-author will also reply.


> 13) <!--[rfced] In Section 7.1, we made the following text into a bulleted
> list to match Section 7.2. We also updated "Section 2" to
> "Section 2.2" in both sections. Please let us know of any objection to
> these changes.
>
> Original:
> Additionally, the registration policy for the [DNSKEY-IANA] registry
> should match the text describing the requirements in this document, and
> Section 2's note concerning values not marked as
> "RECOMMENDED" should be added to the registry.
>
> This document should be listed as a reference to the "DNS Security
> Algorithm Numbers" registry.
>
> Current:
> Additionally, IANA has completed the following actions for the "DNS
> Security Algorithm Numbers" registry [DNSKEY-IANA]:
>
> * Changed the registration procedure to Standards Action or Specification
> Required.
>
> * Added a note to the registry that describes the values not marked as
> "RECOMMENDED" per Section 2.2.
>
> * Listed this document as an additional reference for the registry.
> -->
>
>

No objections / thanks!


> 14) <!--[rfced] Terminology
>
> FYI: We have updated the following terms to the form on the right for
> consistency. Please let us know of any objection.
>
> ciphersuite -> cipher suite (to match the "TLS Cipher Suites" registry)
> non-existence -> nonexistence (per RFC 8624)
> -->
>
>

Unsurprisingly, no objections….



> 15) <!-- [rfced] FYI: We have added an expansion for the following
> abbreviation per Section 3.6 of RFC 7322 ("RFC Style Guide"). Please review
> this and each expansion in the document carefully to ensure correctness.
>
> DNS Public Key (DNSKEY)
> -->
>
>
Huh. Yes, that looks right — in my brain it is just "DNS Key", but RFC
4034, etc show you to be correct.


> 16) <!-- [rfced] Please review the "Inclusive Language" portion of the
> online Style Guide <https://www.rfc-editor.org/styleguide/part2/
> #inclusive_language> and let us know if any changes are needed. Updates
> of this nature typically result in more precise language, which is helpful
> for readers.
>
> Note that our script did not flag any words in particular, but this should
> still be reviewed as a best practice.
> -->
>
>
> Thank you.
>
> Karen Moore
> RFC Production Center
>
> On Oct 29, 2025, at 8:03 PM, [email protected] wrote:
>
> *****IMPORTANT*****
>
> Updated 2025/10/29
>
> RFC Author(s):
> --------------
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>
> --------------------------------------
> RFC9904 (draft-ietf-dnsop-rfc8624-bis-13)
>
> Title : DNSSEC Cryptographic Algorithm Recommendation Update Process
> Author(s) : W. Hardaker, W. Kumari
> WG Chair(s) : Benno Overeinder, Ond?ej Surý
>
> Area Director(s) : Mohamed Boucadair, Mahesh Jethanandani
>
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