DNSBL Spam Check

Checked IP: 128.135.167.0
rDNS/PTR record: crsp-subnet.uchicago.edu

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: crsp-subnet.uchicago.edu
398.9139 ms
Inactive: 2
Inactive
Response in: 5.4479561 seconds
Amount of searched blacklists: 25 (2 inactive)