Reviewer: Per Andersson Review Result: Ready This is my review of OPSDIR draft-ietf-regext-epp-ttl-15. I have reviewed this document as part of the Operational directorate's ongoing effort to review all IETF documents being processed by the IESG. These comments were written with the intent of improving the operational aspects of the IETF drafts. Comments that are not addressed in last call may be included in AD reviews during the IESG review. Document editors and WG chairs should treat these comments just like any other last call comments. Summary: This document describes an extension to the Extensible Provisioning Protocol (EPP) that allows EPP clients to manage the Time-To-Live (TTL) value for domain name delegation records. Issues: None Nits: The following nits are present. ** Downref: Normative reference to an Informational RFC: RFC 7451 -- Possible downref: Non-RFC (?) normative reference: ref. 'XSD-DATATYPES' The Downref error seems to be fixed in the git repository for the document. Please publish this change. Than you for a well written document! -- Per