Last Call Review of draft-ietf-dnsop-extended-error-14
review-ietf-dnsop-extended-error-14-opsdir-lc-bradner-2020-03-31-00

Request Review of draft-ietf-dnsop-extended-error
Requested rev. no specific revision (document currently at 16)
Type Last Call Review
Team Ops Directorate (opsdir)
Deadline 2020-04-02
Requested 2020-03-12
Authors Warren Kumari, Evan Hunt, Roy Arends, Wes Hardaker, David Lawrence
Draft last updated 2020-03-31
Completed reviews Secdir Last Call review of -14 by Catherine Meadows (diff)
Genart Last Call review of -14 by Joel Halpern (diff)
Opsdir Last Call review of -14 by Scott Bradner (diff)
Assignment Reviewer Scott Bradner 
State Completed
Review review-ietf-dnsop-extended-error-14-opsdir-lc-bradner-2020-03-31
Posted at https://mailarchive.ietf.org/arch/msg/ops-dir/JsGs-4-Ftv9j9Dmi_3qd-uCgxVc
Reviewed rev. 14 (document currently at 16)
Review result Ready
Review completed: 2020-03-31

Review
review-ietf-dnsop-extended-error-14-opsdir-lc-bradner-2020-03-31

This is an OPS-DIR review of Extended DNS Errors <draft-ietf-dnsop-extended-error>

This ID defines a use of the EDNS0 extension mechanism that can be used by a DNS resolver to provide additional detail about DNS lookup issues as well as defining an initial set of 24 codes that can be used to provide specific failure reasons. 

The document is clearly written. (But I expect that not all of the acknowledgements should be retained in the RFC)

From an operations point of view, the additional information provided by these error codes will be quite helpful in diagnosing DNS errors. But, as with most error information, it will be difficult to present the error information in a way that will make sense to the average Internet user, thus this information may be mostly useful to IT support staff.