Reverse DNS PTR Resolver
Reverse DNS Lookup
Perform a quick Reverse DNS PTR lookup to determine the official system hostname and ISP carrier mapped to any IP address.
Reverse DNS Resolution Details
Target IP Address
121.78.0.0
Network Provider (ISP / ASN)
AS9957 (KINX-AS-KR - KINX, KR) [KR]
Reverse Hostname (PTR)
No Pointer (PTR) record configured for this IP.
Remote Server Geolocation & Time
Country
South Korea
South Korea
Region & City
Seoul, Gangnam-gu
Postal Code
06292
Coordinates (Lat / Lon)
37.4886, 127.052
Timezone Mapped
Asia/Seoul
Server Local Time
00:28:14 - 10.08.2026
Allocated RIR Network
APNIC (Asia-Pacific)
Autonomous Owner
KINX
Live Security Reputation Check
100% Clean Reputation
No spam, botnet attacks, or national threat flags identified for this host.
Spamhaus Zen RBL:
CLEAN
Barracuda Central:
CLEAN
USOM Threat Center:
CLEAN