DNSBL Spam Check

Checked IP: 147.253.217.21
rDNS/PTR record: mta-253-217-21.sparkpostmail.com

Listed: 1 findings
Finding Response time
Blacklisted: SORBS Spamhost (any time)
Try to delist your IP from spam.dnsbl.sorbs.net
Follow the instrucion on this website.
101.5310 ms
Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mta-253-217-21.sparkpostmail.com
13.4630 ms
Inactive: 2
Inactive
Response in: 6.323756 seconds
Amount of searched blacklists: 26 (2 inactive)