DNSBL Spam Check

Checked IP: 173.203.4.141
rDNS/PTR record: smtp1-ext.ord1.corp.rackspace.com

Listed: 1 findings
Finding Response time
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7931 ms
Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp1-ext.ord1.corp.rackspace.com
96.6201 ms
Inactive: 2
Inactive
Response in: 5.351579 seconds
Amount of searched blacklists: 26 (2 inactive)