DNSBL Spam Check

Checked IP: 64.90.181.104
rDNS/PTR record: increaseknowledge.org.uk

Listed: 4 findings
Finding Response time
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
107.4061 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
106.4401 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.9099 ms
Blacklisted: Spamhaus ZEN
Try to delist your IP from zen.spamhaus.org
Follow the instrucion on this website.
21.0431 ms
Not Listed: 22 checks
Check Response time
Found rDNS/PTR: increaseknowledge.org.uk
576.4380 ms
Inactive: 2
Inactive
Response in: 5.588757 seconds
Amount of searched blacklists: 26 (2 inactive)