A Special Purpose TLD to resolve IPv4 Address Literal on DNS64/NAT64 environments

Document Type Expired Internet-Draft (individual)
Authors Osamu Nakamura  , Hiroaki Hazeyama  , Yukito Ueno  , Akira Kato 
Last updated 2015-04-30 (latest revision 2014-10-27)
Stream (None)
Expired & archived
pdf htmlized bibtex
Additional Resources
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


In an IPv6-only environment with DNS64/NAT64 based translation service, there is no way to get access a URL whose domain name part includes an IPv4 address literal. This memo proposes a special purpose TLD so that the IPv4 address literal is accessible from such a DNS64/NAT64 environments.


Osamu Nakamura (osamu@wide.ad.jp)
Hiroaki Hazeyama (hiroa-ha@is.naist.jp)
Yukito Ueno (eden@sfc.wide.ad.jp)
Akira Kato (kato@wide.ad.jp)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)