DNSBL Spam Check

Checked IP: 52.21.232.180
rDNS/PTR record: us04psmtpkd.brightspace.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: us04psmtpkd.brightspace.com
171.5281 ms
Inactive: 2
Inactive
Response in: 2.74121 seconds
Amount of searched blacklists: 26 (2 inactive)