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
87.236.197.188
Network Provider (ISP / ASN)
AS35592 (COOLHOUSING-AS - COOLHOUSING-AS, CZ) [CZ]
Remote Server Geolocation & Time
Country
Czechia
Czechia
Region & City
Prague, Prague
Postal Code
130 00
Coordinates (Lat / Lon)
50.0948, 14.4785
Timezone Mapped
Europe/Prague
Server Local Time
04:48:56 - 15.06.2026
Allocated RIR Network
RIPE NCC (Europe, Middle East, Central Asia)
Autonomous Owner
Coolhousing s.r.o
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