DNSBL Spam Check

Checked IP: 51.68.191.70
rDNS/PTR record: ns1.abcnetwork.se

Listed: 3 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
101.4090 ms
Blacklisted: Barracuda Reputation Block List
Try to delist your IP from b.barracudacentral.org
Follow the instrucion on this website.
106.4010 ms
Blacklisted: Barracuda Reputation Block List (for SpamAssassin)
Try to delist your IP from bb.barracudacentral.org
107.5649 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: ns1.abcnetwork.se
26.2430 ms
Inactive: 2
Inactive
Response in: 6.322155 seconds
Amount of searched blacklists: 26 (2 inactive)