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-mn2pr05cu00304.inbound.protection.outlook.com
1 IP + domain · 683 ms
Listed
0
Not on any blacklist
Clean
34
of 34 checks
No result
0
0 timeout · 0 refused · 0 error

52.101.9.4 Clean

A record of mail-mn2pr05cu00304.inbound.protection.outlook.com · PTR: mail-mn2pr05cu00304.inbound.protection.outlook.com
Check this IP only
StatusBlacklistZoneDetailsTime
OK Barracuda b.barracudacentral.org 90 ms
OK blocklist.de bl.blocklist.de 8 ms
OK DroneBL dnsbl.dronebl.org 24 ms
OK EFnet RBL rbl.efnetrbl.org 115 ms
OK Fabel Spamsources spamsources.fabel.dk 75 ms
OK GBUdb Truncate truncate.gbudb.net 105 ms
OK IMP Spam spamrbl.imp.ch 27 ms
OK IMP Worm wormrbl.imp.ch 31 ms
OK INPS dnsbl.inps.de 40 ms
OK InterServer rbl.interserver.net 75 ms
OK JustSpam dnsbl.justspam.org 145 ms
OK Lashback UBL ubl.unsubscore.com 8 ms
OK Mailspike bl.mailspike.net 14 ms
OK Manitu (NiX Spam) ix.dnsbl.manitu.net 28 ms
OK NordSpam bl.nordspam.com 10 ms
OK NSZones bl.nszones.com 101 ms
OK PSBL psbl.surriel.com 77 ms
OK S5H all.s5h.net 8 ms
OK SpamCop bl.spamcop.net 8 ms
OK Spamhaus ZEN zen.spamhaus.org 8 ms
OK SpamRATS Dyna
Dynamic / generic rDNS
 dyna.spamrats.com 154 ms
OK SpamRATS NoPtr
Missing reverse DNS
 noptr.spamrats.com 154 ms
OK SpamRATS Spam spam.spamrats.com 135 ms
OK SPFBL dnsbl.spfbl.net 191 ms
OK Suomispam bl.suomispam.net 23 ms
OK UCEPROTECT Level 1 dnsbl-1.uceprotect.net 20 ms
OK UCEPROTECT Level 2
Lists whole IP ranges
 dnsbl-2.uceprotect.net 110 ms
OK UCEPROTECT Level 3
Lists whole networks (ASN)
 dnsbl-3.uceprotect.net 115 ms
OK Woody blacklist.woody.ch 26 ms
OK WPBL db.wpbl.info 12 ms

outlook.com Clean

Domain blacklists (URI / domain reputation)
StatusBlacklistZoneDetailsTime
OK NordSpam DBL dbl.nordspam.com 8 ms
OK Spamhaus DBL dbl.spamhaus.org 29 ms
OK SURBL multi.surbl.org 14 ms
OK URIBL multi.uribl.com 281 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.