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
216.239.32.10
1 IP · 335 ms
Listed
1
blacklist hit
Clean
29
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

216.239.32.10 Listed on 1

IP address · PTR: ns1.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=216.239.32.10
 99 ms
OK Barracuda b.barracudacentral.org 89 ms
OK blocklist.de bl.blocklist.de 4 ms
OK DroneBL dnsbl.dronebl.org 22 ms
OK EFnet RBL rbl.efnetrbl.org 111 ms
OK Fabel Spamsources spamsources.fabel.dk 67 ms
OK GBUdb Truncate truncate.gbudb.net 110 ms
OK IMP Spam spamrbl.imp.ch 25 ms
OK IMP Worm wormrbl.imp.ch 29 ms
OK INPS dnsbl.inps.de 39 ms
OK InterServer rbl.interserver.net 76 ms
OK JustSpam dnsbl.justspam.org 143 ms
OK Lashback UBL ubl.unsubscore.com 3 ms
OK Mailspike bl.mailspike.net 11 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 25 ms
OK NordSpam bl.nordspam.com 4 ms
OK PSBL psbl.surriel.com 75 ms
OK S5H all.s5h.net 3 ms
OK SpamCop bl.spamcop.net 3 ms
OK Spamhaus ZEN zen.spamhaus.org 3 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 145 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 145 ms
OK SpamRATS Spam spam.spamrats.com 134 ms
OK SPFBL dnsbl.spfbl.net 199 ms
OK Suomispam bl.suomispam.net 22 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 17 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 112 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 115 ms
OK Woody blacklist.woody.ch 25 ms
OK WPBL db.wpbl.info 6 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.