DNSBL Spam Check

Checked IP: 168.245.40.253
rDNS/PTR record: o1.sendgrid.shireburn.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: o1.sendgrid.shireburn.com
16.2420 ms
Inactive: 2
Inactive
Response in: 9.3007591 seconds
Amount of searched blacklists: 25 (2 inactive)