https://www.spamhaus.org/blocklists/policy-blocklist/
Policy Blocklist (PBL) | DNSBL for effective email filtering
A dataset containing end-user IP address ranges from which email should never be sent directly to the final destination.
email filteringpolicyblocklistpbldnsbl
https://firebog.net/
Blocklist Collection ¦ Firebog
Pi-hole compatible blocklists for you to have a more enjoyable online presence
blocklistcollection
https://akismet.com/wordpress-comment-blocklist-the-ultimate-guide/
WordPress Comment Blocklist: The Ultimate Guide – Akismet
A lively comment section is great for visitor engagement and can even increase your position in search engines rankings. But spambots, internet trolls, and...
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https://www.spamhaus.org/blocklists/domain-blocklist/
Domain Blocklist (DBL) | Domain DNSBL for email filtering
The Domain Blocklist contains domains showing signs of spam or malicious activity, including those owned by bad actors, or hijacked legitimate domains.
email filteringdomainblocklistdnsbl
https://gardenfence.github.io/
Garden Fence | Garden Fence - Fediverse Blocklist
A fediverse blocklist generated from a small list of reference servers known to actively moderate against hate and harassment.
gardenfencefediverseblocklist
https://www.spamhaus.org/blocklists/exploits-blocklist/
Exploits Blocklist (XBL) | IP DNSBL for email filtering
The Exploits Blocklist flags compromised IPv4/IPv6 addresses that have been hijacked to use by third-party exploits.
email filteringexploitsblocklistipdnsbl
https://oisd.nl/
oisd | domain blocklist
oisd domain blocklist official homepage
domainblocklist
https://www.blocklist.de/en/index.html
www.blocklist.de -- Fail2Ban-Reporting Service (we sent Reports from Attacks on Postfix, SSH,...
www.blocklist.de -- Fail2Ban-Reporting Service (we sent Reports from Attacks on Postfix, SSH, Apache-Attacks, Spambots, irc-Bots, Reg-Bots, DDos and more) from...
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https://core.telegram.org/api/block
Blocklist
Working with the blocklist.
blocklist
https://www.spamhaus.org/blocklists/spamhaus-blocklist/
Spamhaus Blocklist (SBL) | IP DNSBL for effective email filtering
Spamhaus Blocklist contains IPs identified as sending spam, hosting malicious content, hijacking IP space, or acting like a bulletproof hosting company.
email filteringspamhausblocklistsblip
https://www.spamhaus.org/blocklists/zen-blocklist/
ZEN Blocklist | Combined IP DNSBLs for effective email filtering
The Zen blocklist contains all IP-based DNSBLs offered free by Spamhaus (SBL, CSS, XBL, and PBL) to make querying simpler and faster.
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https://help.nextdns.io/category/privacy-blocklist-ad-blocking
Privacy, blocklist & ad-blocking - Knowledge Base - NextDNS Help Center
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https://www.iblocklist.com/
I-BlockList | Home
blocklist
https://blt.spamhaus.com/
Access the Portal – Blocklist Tester | Spamhaus
Use the Blocklist Tester to check if your mail servers are correctly configured to use our blocklists. Troubleshoot your email and DNSBL config now.
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