DNS BL
IP adresa
3.133.108.14
BL
The Spamhaus Project
SenderBase
----------
DNSBL.info
BLACKLISTALERT.ORG
MXToolBox
SpamCop Blocking List
SORBS (Spam and Open-Relay Blocking System)
----------
What Is My IP Address
BlacklistMaster.com
MultiRBL.valli.org
Free Blacklist Check
WebSitePulse
The CBL
Office365
nsZones
Trend Micro Email Reputation Services
----------
https://virbl.bit.nl/lookup/
https://www.spamhaus.org/lookup/
https://admin.uribl.com/
http://www.surbl.org/surbl-analysis/
http://www.sorbs.net/
http://dronebl.org/lookup
http://www.barracudacentral.org/lookups
http://multirbl.valli.org/lookup/
http://www.abuseat.org/lookup.cgi
http://www.dnsbl.manitu.net/
http://www.spamcannibal.org/cannibal.cgi
http://www.whitelisted.org/
http://www.backscatterer.org/?target=test
https://www.dan.me.uk/ipinfo
http://www.spamrats.com/rats-dyna.php
https://psbl.org/
http://www.senderbase.org/
Zjištění poštovního serveru
Zjištění IP adresy poštovního server
Zjištění reverzního záznamu pro poštovní server
Politika pro poštovní server