Alessandro Vesely wrote:
The reverse lookup draft is just in WGLC and should be available
if needed as reference.
I guess you mean draft-ietf-dnsop-reverse-mapping-considerations-06.
Yes. Maybe in combination with the "iprev" method explained in
The other relevant topic is [r]whois maintenance. I'm not an RFC
connoisseur, and I'm quite lost here.
Whois is a minefield, IMO the last thing a DNSBL BCP needs is to
explore whois ratholes. I hope John's technical draft makes it
*before* the BCP. A DNSBL BCP will run into serious trouble, no
matter what the authors say, the topic is controversial.
Rfc2050 mentions a database that is maintained by adding
reassignment information, but doesn't say if and how it is
Thanks, I didn't know that. I can't say if it's still up to date.
Embarassing, I don't exactly know how "whois.cymru.com" does its
magic, but rxwhois outputs the result after checking some DNSBLs
for a given IP.
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