DNSBL Spam Check

Checked IP: 213.75.39.4
rDNS/PTR record: cpsmtpb-ews01.kpnxchange.com

Listed: 2 findings
Finding Response time
Blacklisted: Redhawk.org
Try to delist your IP from access.redhawk.org
126.7610 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
11.3630 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: cpsmtpb-ews01.kpnxchange.com
21.2679 ms
Inactive: 2
Inactive
Response in: 4.8708141 seconds
Amount of searched blacklists: 26 (2 inactive)