DNSBL Spam Check

Checked IP: 158.247.23.100
rDNS/PTR record: bid47na.bf05x.hubspotemail.net

Listed: 3 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
100.4901 ms
Blacklisted: SORBS Aggregate zone (problems)
Try to delist your IP from problems.dnsbl.sorbs.net
Follow the instrucion on this website.
22.6979 ms
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
103.5302 ms
Not Listed: 23 checks
Check Response time
Found rDNS/PTR: bid47na.bf05x.hubspotemail.net
8.1971 ms
Inactive: 2
Inactive
Response in: 8.5359569 seconds
Amount of searched blacklists: 26 (2 inactive)