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
87.248.100.136
Network Provider (ISP / ASN)
AS34010 (YAHOO-IRD - Yahoo-UK Limited, GB) [GB]
Remote Server Geolocation & Time
Country
Ireland
Ireland
Region & City
Leinster, Dublin
Postal Code
D02
Coordinates (Lat / Lon)
53.3354, -6.252
Timezone Mapped
Europe/Dublin
Server Local Time
23:30:23 - 25.06.2026
Allocated RIR Network
RIPE NCC (Europe, Middle East, Central Asia)
Autonomous Owner
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