DNSBL Spam Check

Checked IP: 198.21.0.0
rDNS/PTR record: cskrhhhh.outbound-mail.sendgrid.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: cskrhhhh.outbound-mail.sendgrid.net
7.8661 ms
Inactive: 2
Inactive
Response in: 9.1572192 seconds
Amount of searched blacklists: 26 (2 inactive)