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
150.171.21.5
1 IP · 297 ms
Listed
0
Not on any blacklist
Clean
30
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

150.171.21.5 Clean

IP address · PTR: ns2-05.azure-dns.net
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 86 ms
OK blocklist.de bl.blocklist.de 8 ms
OK DroneBL dnsbl.dronebl.org 21 ms
OK EFnet RBL rbl.efnetrbl.org 116 ms
OK Fabel Spamsources spamsources.fabel.dk 69 ms
OK GBUdb Truncate truncate.gbudb.net 110 ms
OK IMP Spam spamrbl.imp.ch 27 ms
OK IMP Worm wormrbl.imp.ch 32 ms
OK INPS dnsbl.inps.de 39 ms
OK InterServer rbl.interserver.net 76 ms
OK JustSpam dnsbl.justspam.org 141 ms
OK Lashback UBL ubl.unsubscore.com 8 ms
OK Mailspike bl.mailspike.net 11 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 27 ms
OK NordSpam bl.nordspam.com 8 ms
OK NSZones bl.nszones.com 102 ms
OK PSBL psbl.surriel.com 80 ms
OK S5H all.s5h.net 3 ms
OK SpamCop bl.spamcop.net 3 ms
OK Spamhaus ZEN zen.spamhaus.org 8 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 153 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 155 ms
OK SpamRATS Spam spam.spamrats.com 134 ms
OK SPFBL dnsbl.spfbl.net 196 ms
OK Suomispam bl.suomispam.net 25 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 16 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 119 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 113 ms
OK Woody blacklist.woody.ch 26 ms
OK WPBL db.wpbl.info 8 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.