Tools:
Subnet:
Reverse DNS (PTR):
Reverse DNS Zone:
231.221.211.in-addr.arpa
Authoritative NS:
Names that resolve
to this address:
(2)
to this address:
(2)
iphak.osan.ac.kr
www.osan.ac.kr
Last crawled:
2025-12-17 06:16:55 +0000