>> RFC 5782 says that a live DNSxL does list 127.0.0.2 to show that it's
>> alive, and does not list 127.0.0.1 to show that it's not wildcarded.
>> We published that in 2010 but it was in draft form for quite a while
>> before that.  For IPv6 BLs, you list ::ffff:127.0.0.2 and don't list
>> ::ffff:127.0.0.1.  For name BLs, you list TEST and don't list INVALID.
>
>> I have a script that runs once a week to test all
>> the BLs I use for 127.0.0.2 and 127.0.0.1.  It comments out any that
>> fail and sends me a note.  I think I've caught one or two abandoned
>> ones from my list that way.
>
>Not every DNSBL conforms to these rules. So:

You can't make everyone follow the rules, but I have to say that it's
been a while since I've seen a BL that I care about that doesn't.

R's,
John


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