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
150.171.21.3
1 IP · 229 ms
Listed
0
Not on any blacklist
Clean
30
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

150.171.21.3 Clean

IP address · PTR: ns2-03.azure-dns.net
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 87 ms
OK blocklist.de bl.blocklist.de 8 ms
OK DroneBL dnsbl.dronebl.org 22 ms
OK EFnet RBL rbl.efnetrbl.org 113 ms
OK Fabel Spamsources spamsources.fabel.dk 75 ms
OK GBUdb Truncate truncate.gbudb.net 104 ms
OK IMP Spam spamrbl.imp.ch 28 ms
OK IMP Worm wormrbl.imp.ch 34 ms
OK INPS dnsbl.inps.de 44 ms
OK InterServer rbl.interserver.net 80 ms
OK JustSpam dnsbl.justspam.org 143 ms
OK Lashback UBL ubl.unsubscore.com 8 ms
OK Mailspike bl.mailspike.net 14 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 25 ms
OK NordSpam bl.nordspam.com 11 ms
OK NSZones bl.nszones.com 101 ms
OK PSBL psbl.surriel.com 83 ms
OK S5H all.s5h.net 7 ms
OK SpamCop bl.spamcop.net 6 ms
OK Spamhaus ZEN zen.spamhaus.org 5 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 149 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 157 ms
OK SpamRATS Spam spam.spamrats.com 138 ms
OK SPFBL dnsbl.spfbl.net 190 ms
OK Suomispam bl.suomispam.net 28 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 111 ms
OK Woody blacklist.woody.ch 30 ms
OK WPBL db.wpbl.info 11 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.