SIQuery

Server Index Query, an IP address and domain name. See http://outboundindex.org/siqprotocol.html for details of the protocol.

ietf drafts expire -- Mon, 09 Jan 2006 22:17:17 -0500 reply
The link to the IETF draft has expired -- they auto expire after 6 months. Choices seem to be: put the content up someplace else, or 2) resubmit the draft (-02), and make sure you do it every 6m (remembering to change the link)