DNSBL Spam Check

Checked IP: 13.110.74.181
rDNS/PTR record: smtp06-ia4-sp4.mta.salesforce.com

Listed: 3 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
23.4830 ms
Blacklisted: SORBS Aggregate zone (problems)
Try to delist your IP from problems.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7699 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
22.7880 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: smtp06-ia4-sp4.mta.salesforce.com
27.1509 ms
Inactive: 2
Inactive
Response in: 1.7139871 seconds
Amount of searched blacklists: 26 (2 inactive)