DNSBL Spam Check

Checked IP: 223.130.109.21
rDNS/PTR record: sp-gu-sf02.mailnara.co.kr

Listed: 1 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
61.5690 ms
Not Listed: 24 checks
Check Response time
Found rDNS/PTR: sp-gu-sf02.mailnara.co.kr
557.3530 ms
Inactive: 2
Inactive
Response in: 6.178164 seconds
Amount of searched blacklists: 25 (2 inactive)