technoirc.org DNSBL Blacklist
Technoirc.org was a public IP-based blocklist (blacklist) that became defunct in 2013 and now has a low impact on email deliverability.
Updated on 17 Jun 2026: We updated this guide to separate stale Technoirc.org lookup results from real delivery problems.
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Check if you are listed on technoirc.org DNSBL Blacklist
And 143 other blocklists.
Spamhaus
0Spam
Cisco
NoSolicitado
URIBL
abuse.ro
ALPHANET
Anonmails
Ascams
BLOCKEDSERVERS
Calivent Networks
EFnet
JustSpam
Kempt.net
NordSpam
RV-SOFT Technology
Scientific Spam
Spamikaze
SpamRATS
SPFBL
Suomispam
System 5 Hosting
Team Cymru
Validity
www.blocklist.de Fail2Ban-Reporting Service
ZapBL
2stepback.dk
Fayntic Services
ORB UK
technoirc.org
TechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftSpamhaus0SpamCiscoNoSolicitadoURIBLabuse.roALPHANETAnonmailsAscamsBLOCKEDSERVERSCalivent NetworksEFnetJustSpamKempt.netNordSpamRV-SOFT TechnologyScientific SpamSpamikazeSpamRATSSPFBLSuomispamSystem 5 HostingTeam CymruValiditywww.blocklist.de Fail2Ban-Reporting ServiceZapBL2stepback.dkFayntic ServicesORB UKtechnoirc.orgTechTheftWhat is the technoirc.org DNSBL blacklist?
The technoirc.org DNSBL Blacklist was a public Domain Name System Blacklist (DNSBL), also called a DNS-based blocklist or real-time blocklist (RBL), that listed IP addresses. Mail servers used DNSBLs by querying a reversed sending IP against a list zone before accepting or rejecting a message. Technoirc.org stopped operating around 2013, so dnsbl.technoirc.org is now defunct and should not be used in modern email filtering. While active, it helped mail server administrators block mail from IP addresses believed to send spam or other abusive mail traffic.
Who ran the technoirc.org DNSBL blacklist?
The blocklist was operated by Technoirc.org. Public information about the operator is scarce because the project and its related services were discontinued many years ago.
What's the impact of being listed on the technoirc.org DNSBL blacklist?
The impact of being listed on the technoirc.org DNSBL Blacklist is effectively zero. Because the blacklist stopped operating in 2013, mainstream mailbox providers and current filtering systems should not use it to make delivery decisions. An apparent listing usually points to an old lookup tool, a stale copied DNSBL list, or a mail server that still has a legacy configuration. If a receiver rejects your mail and cites dnsbl.technoirc.org, treat that as a receiver-side misconfiguration rather than a current sender reputation problem.
How to verify a technoirc.org result today
A Technoirc.org result still deserves a quick sanity check because abandoned DNSBL names can remain inside old scripts, monitoring lists, or mail server configs. The goal is not delisting. The goal is confirming that the lookup is stale and that your active sending setup is healthy.
- Confirm the exact zone in the bounce, log entry, or scan output. If the evidence only says "Technoirc" without dnsbl.technoirc.org or a DNS response code, document it as informational.
- Review recent bounces, SMTP rejection text, reverse DNS, forward-confirmed reverse DNS, SPF, DKIM, DMARC results, and complaint rates. Suped's DMARC reporting helps map legitimate sending sources and identify authentication failures before you spend time on a dead blacklist.
- Remove dnsbl.technoirc.org from your own MTA, spam filter, or monitoring script if it still appears there. Replace the legacy lookup with current operational checks that have published policies and a working delisting process.
How do I get removed and delisted from the technoirc.org DNSBL blacklist?
You cannot request removal from the technoirc.org DNSBL Blacklist because the service is no longer active. The original delisting process is not available, and there is no maintained operator to process a removal request.
Given the defunct status of this blacklist (blocklist), use this response:
- Do not submit removal requests to unrelated lookup sites or list aggregators. They cannot remove an entry from a dead DNSBL.
- Investigate current bounces, spam complaints, authentication failures, suspicious traffic, compromised mailboxes, and active blocklist or blacklist listings that mailbox providers still use.
