Pure DNS

Blacklist Check

Check an IP address or domain against 30 IP blacklists and 4 domain blacklists. For a domain, its website IPs and mail server IPs are all checked.

Looking up…
Checked
github.com
3 IPs + domain · 669 ms
Listed
0
Not on any blacklist
Clean
94
of 94 checks
No result
0
0 timeout · 0 refused · 0 error

20.26.156.215 Clean

A record of github.com · PTR: none
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 88 ms
OK blocklist.de bl.blocklist.de 11 ms
OK DroneBL dnsbl.dronebl.org 33 ms
OK EFnet RBL rbl.efnetrbl.org 120 ms
OK Fabel Spamsources spamsources.fabel.dk 82 ms
OK GBUdb Truncate truncate.gbudb.net 114 ms
OK IMP Spam spamrbl.imp.ch 37 ms
OK IMP Worm wormrbl.imp.ch 46 ms
OK INPS dnsbl.inps.de 55 ms
OK InterServer rbl.interserver.net 79 ms
OK JustSpam dnsbl.justspam.org 150 ms
OK Lashback UBL ubl.unsubscore.com 11 ms
OK Mailspike bl.mailspike.net 14 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 33 ms
OK NordSpam bl.nordspam.com 14 ms
OK NSZones bl.nszones.com 108 ms
OK PSBL psbl.surriel.com 78 ms
OK S5H all.s5h.net 11 ms
OK SpamCop bl.spamcop.net 11 ms
OK Spamhaus ZEN zen.spamhaus.org 11 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 161 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 162 ms
OK SpamRATS Spam spam.spamrats.com 143 ms
OK SPFBL dnsbl.spfbl.net 198 ms
OK Suomispam bl.suomispam.net 33 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 20 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 111 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 115 ms
OK Woody blacklist.woody.ch 38 ms
OK WPBL db.wpbl.info 14 ms

52.101.202.150 Clean

Mail server github-com.mail.protection.outlook.com · PTR: mail-ph6pr04cu00106.inbound.protection.outlook.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 94 ms
OK blocklist.de bl.blocklist.de 13 ms
OK DroneBL dnsbl.dronebl.org 33 ms
OK EFnet RBL rbl.efnetrbl.org 121 ms
OK Fabel Spamsources spamsources.fabel.dk 83 ms
OK GBUdb Truncate truncate.gbudb.net 120 ms
OK IMP Spam spamrbl.imp.ch 38 ms
OK IMP Worm wormrbl.imp.ch 46 ms
OK INPS dnsbl.inps.de 55 ms
OK InterServer rbl.interserver.net 86 ms
OK JustSpam dnsbl.justspam.org 154 ms
OK Lashback UBL ubl.unsubscore.com 13 ms
OK Mailspike bl.mailspike.net 21 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 33 ms
OK NordSpam bl.nordspam.com 15 ms
OK NSZones bl.nszones.com 108 ms
OK PSBL psbl.surriel.com 83 ms
OK S5H all.s5h.net 13 ms
OK SpamCop bl.spamcop.net 13 ms
OK Spamhaus ZEN zen.spamhaus.org 11 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 163 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 156 ms
OK SpamRATS Spam spam.spamrats.com 143 ms
OK SPFBL dnsbl.spfbl.net 203 ms
OK Suomispam bl.suomispam.net 38 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 33 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 121 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 117 ms
OK Woody blacklist.woody.ch 38 ms
OK WPBL db.wpbl.info 15 ms

52.101.40.56 Clean

Mail server github-com.mail.protection.outlook.com · PTR: mail-cy7pr05cu00100.inbound.protection.outlook.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 104 ms
OK blocklist.de bl.blocklist.de 15 ms
OK DroneBL dnsbl.dronebl.org 33 ms
OK EFnet RBL rbl.efnetrbl.org 115 ms
OK Fabel Spamsources spamsources.fabel.dk 82 ms
OK GBUdb Truncate truncate.gbudb.net 116 ms
OK IMP Spam spamrbl.imp.ch 38 ms
OK IMP Worm wormrbl.imp.ch 41 ms
OK INPS dnsbl.inps.de 55 ms
OK InterServer rbl.interserver.net 83 ms
OK JustSpam dnsbl.justspam.org 161 ms
OK Lashback UBL ubl.unsubscore.com 14 ms
OK Mailspike bl.mailspike.net 21 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 33 ms
OK NordSpam bl.nordspam.com 16 ms
OK NSZones bl.nszones.com 111 ms
OK PSBL psbl.surriel.com 85 ms
OK S5H all.s5h.net 13 ms
OK SpamCop bl.spamcop.net 13 ms
OK Spamhaus ZEN zen.spamhaus.org 13 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 161 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 156 ms
OK SpamRATS Spam spam.spamrats.com 145 ms
OK SPFBL dnsbl.spfbl.net 206 ms
OK Suomispam bl.suomispam.net 33 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 33 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 123 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 123 ms
OK Woody blacklist.woody.ch 38 ms
OK WPBL db.wpbl.info 16 ms

github.com Clean

Domain blacklists (URI / domain reputation)
StatusBlacklistZoneDetailsTime
OK NordSpam DBL dbl.nordspam.com 17 ms
OK Spamhaus DBL dbl.spamhaus.org 38 ms
OK SURBL multi.surbl.org 32 ms
OK URIBL multi.uribl.com 299 ms

Lists are queried directly at their own name servers. Refused means the list declined to answer (usually rate limits), not that you're listed. Timeout means the list didn't respond in time.