DNSBL Spam Check

Checked IP: 198.21.6.57
rDNS/PTR record: o1.sendgrid.dealerinspire.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: o1.sendgrid.dealerinspire.com
21.3921 ms
Inactive: 2
Inactive
Response in: 9.4123762 seconds
Amount of searched blacklists: 25 (2 inactive)