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
205.251.195.33
1 IP · 649 ms
Listed
1
blacklist hit
Clean
29
of 30 checks
No result
0
0 timeout · 0 refused · 0 error

205.251.195.33 Listed on 1

IP address · PTR: ns-801.awsdns-36.net
Check this IP only
StatusBlacklistZoneDetailsTime
Listed SPFBL dnsbl.spfbl.net 127.0.0.4
https://matrix.spfbl.net/205.251.195.33
195 ms
OK Barracuda b.barracudacentral.org 89 ms
OK blocklist.de bl.blocklist.de 11 ms
OK DroneBL dnsbl.dronebl.org 21 ms
OK EFnet RBL rbl.efnetrbl.org 121 ms
OK Fabel Spamsources spamsources.fabel.dk 80 ms
OK GBUdb Truncate truncate.gbudb.net 103 ms
OK IMP Spam spamrbl.imp.ch 33 ms
OK IMP Worm wormrbl.imp.ch 39 ms
OK INPS dnsbl.inps.de 47 ms
OK InterServer rbl.interserver.net 76 ms
OK JustSpam dnsbl.justspam.org 154 ms
OK Lashback UBL ubl.unsubscore.com 17 ms
OK Mailspike bl.mailspike.net 10 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 21 ms
OK NordSpam bl.nordspam.com 11 ms
OK NSZones bl.nszones.com 108 ms
OK PSBL psbl.surriel.com 76 ms
OK S5H all.s5h.net 11 ms
OK SpamCop bl.spamcop.net 10 ms
OK Spamhaus ZEN zen.spamhaus.org 10 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
dyna.spamrats.com 153 ms
OK SpamRATS NoPtr
Missing reverse DNS
noptr.spamrats.com 154 ms
OK SpamRATS Spam spam.spamrats.com 133 ms
OK Suomispam bl.suomispam.net 33 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 19 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
dnsbl-2.uceprotect.net 108 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
dnsbl-3.uceprotect.net 107 ms
OK Woody blacklist.woody.ch 34 ms
OK WPBL db.wpbl.info 17 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.