Hi
We have a low-traffic email server, receiving around 800 emails/day and
sending about the same number of emails/day.
Since some time ago SpamHaus blocks our dns requests, if I check
spamhaus' website, the limits for the free service are well above our
usage. Any clue what may be happening?
if i run this query for example
dig +short TXT 35.191.45.200.zen.spamhaus.org it will timeout
I can perform queries to the ns servers serving spamhaus.org (dig ns
spamhaus.org) but not to any of the *.gns.spamhaus.org
more information about the server
- dns queries time out over ipv4 and/or ipv6
- vps hosted in hetzner (AS24940)
- the server is not blacklisted by spamhaus or any other rbl
- server runs unbound to cache dns queries
- server hosts mailman for private lists and a bot that bounces emails
you sent back to you
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