DNSBL Spam Check

Checked IP: 52.221.67.239
rDNS/PTR record: smtp-ap-sg-1b.onbmc.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp-ap-sg-1b.onbmc.com
38.7681 ms
Inactive: 2
Inactive
Response in: 1.6107888 seconds
Amount of searched blacklists: 26 (2 inactive)