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
ns-171.awsdns-21.com
1 IP + domain · 890 ms
Listed
0
Not on any blacklist
Clean
34
of 34 checks
No result
0
0 timeout · 0 refused · 0 error

205.251.192.171 Clean

A record of ns-171.awsdns-21.com · PTR: ns-171.awsdns-21.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 93 ms
OK blocklist.de bl.blocklist.de 15 ms
OK DroneBL dnsbl.dronebl.org 29 ms
OK EFnet RBL rbl.efnetrbl.org 127 ms
OK Fabel Spamsources spamsources.fabel.dk 83 ms
OK GBUdb Truncate truncate.gbudb.net 111 ms
OK IMP Spam spamrbl.imp.ch 38 ms
OK IMP Worm wormrbl.imp.ch 43 ms
OK INPS dnsbl.inps.de 54 ms
OK InterServer rbl.interserver.net 79 ms
OK JustSpam dnsbl.justspam.org 156 ms
OK Lashback UBL ubl.unsubscore.com 15 ms
OK Mailspike bl.mailspike.net 20 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 29 ms
OK NordSpam bl.nordspam.com 15 ms
OK NSZones bl.nszones.com 113 ms
OK PSBL psbl.surriel.com 82 ms
OK S5H all.s5h.net 15 ms
OK SpamCop bl.spamcop.net 15 ms
OK Spamhaus ZEN zen.spamhaus.org 15 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 151 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 152 ms
OK SpamRATS Spam spam.spamrats.com 141 ms
OK SPFBL dnsbl.spfbl.net 202 ms
OK Suomispam bl.suomispam.net 37 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 25 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 115 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 115 ms
OK Woody blacklist.woody.ch 38 ms
OK WPBL db.wpbl.info 15 ms

awsdns-21.com Clean

Domain blacklists (URI / domain reputation)
StatusBlacklistZoneDetailsTime
OK NordSpam DBL dbl.nordspam.com 20 ms
OK Spamhaus DBL dbl.spamhaus.org 41 ms
OK SURBL multi.surbl.org 26 ms
OK URIBL multi.uribl.com 298 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.