DNSBL Spam Check

Checked IP: 148.173.96.86
rDNS/PTR record: extmta1-new.americanexpress.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: extmta1-new.americanexpress.com
15.7299 ms
Inactive: 2
Inactive
Response in: 5.022028 seconds
Amount of searched blacklists: 25 (2 inactive)