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
216.239.34.10
1 IP · 422 ms
Listed
1
blacklist hit
Clean
29
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

216.239.34.10 Listed on 1

IP address · PTR: ns2.google.com
Check this IP only
StatusBlacklistZoneDetailsTime
Listed NSZones bl.nszones.com 127.0.0.2
Listed in SBL at 26/02/2026 - see https://www.nszones.com/bl?ip=216.239.34.10
 102 ms
OK Barracuda b.barracudacentral.org 84 ms
OK blocklist.de bl.blocklist.de 7 ms
OK DroneBL dnsbl.dronebl.org 25 ms
OK EFnet RBL rbl.efnetrbl.org 117 ms
OK Fabel Spamsources spamsources.fabel.dk 73 ms
OK GBUdb Truncate truncate.gbudb.net 113 ms
OK IMP Spam spamrbl.imp.ch 28 ms
OK IMP Worm wormrbl.imp.ch 32 ms
OK INPS dnsbl.inps.de 42 ms
OK InterServer rbl.interserver.net 80 ms
OK JustSpam dnsbl.justspam.org 142 ms
OK Lashback UBL ubl.unsubscore.com 7 ms
OK Mailspike bl.mailspike.net 14 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 29 ms
OK NordSpam bl.nordspam.com 9 ms
OK PSBL psbl.surriel.com 83 ms
OK S5H all.s5h.net 6 ms
OK SpamCop bl.spamcop.net 6 ms
OK Spamhaus ZEN zen.spamhaus.org 10 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 148 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 155 ms
OK SpamRATS Spam spam.spamrats.com 137 ms
OK SPFBL dnsbl.spfbl.net 198 ms
OK Suomispam bl.suomispam.net 27 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 18 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 27 ms
OK WPBL db.wpbl.info 9 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.