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
mail-ch4pr04cu00104.inbound.protection.outlook.com
1 IP + domain · 873 ms
Listed
0
Not on any blacklist
Clean
34
of 34 checks
No result
0
0 timeout · 0 refused · 0 error

52.101.194.4 Clean

A record of mail-ch4pr04cu00104.inbound.protection.outlook.com · PTR: mail-ch4pr04cu00104.inbound.protection.outlook.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 86 ms
OK blocklist.de bl.blocklist.de 36 ms
OK DroneBL dnsbl.dronebl.org 41 ms
OK EFnet RBL rbl.efnetrbl.org 140 ms
OK Fabel Spamsources spamsources.fabel.dk 90 ms
OK GBUdb Truncate truncate.gbudb.net 127 ms
OK IMP Spam spamrbl.imp.ch 46 ms
OK IMP Worm wormrbl.imp.ch 50 ms
OK INPS dnsbl.inps.de 59 ms
OK InterServer rbl.interserver.net 94 ms
OK JustSpam dnsbl.justspam.org 168 ms
OK Lashback UBL ubl.unsubscore.com 36 ms
OK Mailspike bl.mailspike.net 36 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 36 ms
OK NordSpam bl.nordspam.com 36 ms
OK NSZones bl.nszones.com 120 ms
OK PSBL psbl.surriel.com 88 ms
OK S5H all.s5h.net 36 ms
OK SpamCop bl.spamcop.net 36 ms
OK Spamhaus ZEN zen.spamhaus.org 36 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 169 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 174 ms
OK SpamRATS Spam spam.spamrats.com 159 ms
OK SPFBL dnsbl.spfbl.net 222 ms
OK Suomispam bl.suomispam.net 43 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 36 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 127 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 140 ms
OK Woody blacklist.woody.ch 46 ms
OK WPBL db.wpbl.info 36 ms

outlook.com Clean

Domain blacklists (URI / domain reputation)
StatusBlacklistZoneDetailsTime
OK NordSpam DBL dbl.nordspam.com 36 ms
OK Spamhaus DBL dbl.spamhaus.org 43 ms
OK SURBL multi.surbl.org 36 ms
OK URIBL multi.uribl.com 314 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.