Tools:
Subnet:
Reverse DNS (PTR):
ec2-52-195-28-70.ap-northeast-1.compute.amazonaws.com
Reverse DNS Zone:
28.195.52.in-addr.arpa
Authoritative NS:
Names that resolve
to this address:
(2)
to this address:
(2)
boj.kr
www.acmicpc.net
Last crawled:
2025-12-15 10:28:18 +0000