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
216.239.38.10
1 IP · 504 ms
Listed
1
blacklist hit
Clean
29
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

216.239.38.10 Listed on 1

IP address · PTR: ns4.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=216.239.38.10
 106 ms
OK Barracuda b.barracudacentral.org 90 ms
OK blocklist.de bl.blocklist.de 13 ms
OK DroneBL dnsbl.dronebl.org 29 ms
OK EFnet RBL rbl.efnetrbl.org 117 ms
OK Fabel Spamsources spamsources.fabel.dk 80 ms
OK GBUdb Truncate truncate.gbudb.net 118 ms
OK IMP Spam spamrbl.imp.ch 34 ms
OK IMP Worm wormrbl.imp.ch 40 ms
OK INPS dnsbl.inps.de 53 ms
OK InterServer rbl.interserver.net 84 ms
OK JustSpam dnsbl.justspam.org 148 ms
OK Lashback UBL ubl.unsubscore.com 14 ms
OK Mailspike bl.mailspike.net 17 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 33 ms
OK NordSpam bl.nordspam.com 15 ms
OK PSBL psbl.surriel.com 87 ms
OK S5H all.s5h.net 14 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 151 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 161 ms
OK SpamRATS Spam spam.spamrats.com 143 ms
OK SPFBL dnsbl.spfbl.net 202 ms
OK Suomispam bl.suomispam.net 32 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 22 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 116 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 119 ms
OK Woody blacklist.woody.ch 33 ms
OK WPBL db.wpbl.info 15 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.