Purpose of the DNS-based blackhole list (DNSBL)
This list mainly exists as an additional SPAM-prevention layer for the mail solution used here. Still, maximum effort is put into keeping it as useful as possible for public usage too.
Listing policy and return values
One of the following points will get an IP address listed:
- Sending SPAM to specific mail addresses
- Suspicious login attempts
- Abuse of SPF
When listed, the example IP
18.104.22.168 will return an
A record with "127.0.0.2" and a
TXT record like this:
$ dig +short ANY 22.214.171.124.rbl.lugh.ch 127.0.0.2 "126.96.36.199 is listed because of misbehaviour. See https://lugh.ch/dnsbl.html for details"
View the whole list and query it manually.
Not available. All bans expire after 7 days.
Use the DNSBL in your mail setup
rbl.lugh.ch to your existing RBL setup to query the blacklist.
Trouble? Get in contact
In the unlikely case that your IP was blocked innocently, please contact us.