RE: Alternative to TXT or new RR

> Therefore, RPC-to-publisher is at least as capable as SPF-like
schemes.
There are a lot of small domains out there.  I believe that we can get
many of them to take 5 minutes to add a DNS record.  But getting them to
install new software, and configure a new web service, is way past the
ability of many of them.

-- Jim Lyon