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
52.101.41.192
1 IP · 309 ms
Listed
0
Not on any blacklist
Clean
30
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

52.101.41.192 Clean

IP address · PTR: mail-byapr04cu00400.inbound.protection.outlook.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 90 ms
OK blocklist.de bl.blocklist.de 10 ms
OK DroneBL dnsbl.dronebl.org 26 ms
OK EFnet RBL rbl.efnetrbl.org 119 ms
OK Fabel Spamsources spamsources.fabel.dk 77 ms
OK GBUdb Truncate truncate.gbudb.net 114 ms
OK IMP Spam spamrbl.imp.ch 30 ms
OK IMP Worm wormrbl.imp.ch 36 ms
OK INPS dnsbl.inps.de 50 ms
OK InterServer rbl.interserver.net 78 ms
OK JustSpam dnsbl.justspam.org 154 ms
OK Lashback UBL ubl.unsubscore.com 10 ms
OK Mailspike bl.mailspike.net 16 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 30 ms
OK NordSpam bl.nordspam.com 12 ms
OK NSZones bl.nszones.com 107 ms
OK PSBL psbl.surriel.com 80 ms
OK S5H all.s5h.net 9 ms
OK SpamCop bl.spamcop.net 9 ms
OK Spamhaus ZEN zen.spamhaus.org 9 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 149 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 151 ms
OK SpamRATS Spam spam.spamrats.com 140 ms
OK SPFBL dnsbl.spfbl.net 189 ms
OK Suomispam bl.suomispam.net 30 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 22 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 113 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 114 ms
OK Woody blacklist.woody.ch 31 ms
OK WPBL db.wpbl.info 14 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.