Ballot SC048v2: Domain Name and IP Address Encoding

Ballot overview

• Ballot SC048v2: Domain Name and IP Address Encoding was a Final Maintenance Guideline.
• It modified the Baseline Requirements and the EV Guidelines based on Version 1.7.6.
• The ballot was intended to resolve differences in interpretation and provide unambiguous guidance on encoding domain names and IP addresses in Subscriber Certificates.

Voting result

• The ballot passed.
• Certificate Issuers: 14 votes total, with 13 yes votes, 0 no votes, and 1 abstention.
• Certificate Consumers: 3 votes total, with 3 yes votes, 0 no votes, and 0 abstentions.
• Bylaw requirements for issuer and consumer approval were met.
• Quorum was met.
• The ballot entered the IP Rights Review Period after voting completed.

Main requirements

• The Baseline Requirements were updated to define and use terminology such as Domain Label, Fully-Qualified Domain Name, LDH Label, Non-Reserved LDH Label, P-Label, XN-Label, and revised definitions for IP Address, Wildcard Certificate, Wildcard Domain Name, and Reserved IP Address.
• The CAA-related CPS requirement was updated to refer to Fully-Qualified Domain Names.
• Domain validation language was revised so that references to labels, wildcard handling, and onion names use the updated terminology.
• The ballot added a new requirement that Fully-Qualified Domain Names must consist solely of P-Labels and Non-Reserved LDH Labels.
• The ballot also updated the reserved IP address references to the current IANA special registry URLs.

Scope of changes shown in the redline

• Multiple definition and terminology updates throughout the Baseline Requirements.
• Updated validation language for domain names, wildcard domain names, and IP addresses.
• Updated references to RFCs including RFC 3492, RFC 3986, RFC 5890, RFC 5952, and RFC 8499.
• Updated the CAA processing statement requirement in section 4.2 of the CPS.