DNSBL Spam Check

Checked IP: 131.253.121.20
rDNS/PTR record: smtp.gsgo.msft.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp.gsgo.msft.net
29.2661 ms
Inactive: 2
Inactive
Response in: 4.6386991 seconds
Amount of searched blacklists: 25 (2 inactive)