DNSBL Spam Check

Checked IP: 52.0.172.150
rDNS/PTR record: mail4.ewr1.recurly.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail4.ewr1.recurly.com
17.2660 ms
Inactive: 2
Inactive
Response in: 2.4428818 seconds
Amount of searched blacklists: 26 (2 inactive)