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
5.186.164.133
Network Provider (ISP / ASN)
AS44869 (FIBIA-P-S - FIBIA P/S, DK) [DK]
Remote Server Geolocation & Time
Country
Denmark
Denmark
Region & City
Capital Region, Copenhagen
Postal Code
2100
Coordinates (Lat / Lon)
55.7056, 12.5683
Timezone Mapped
Europe/Copenhagen
Server Local Time
07:41:28 - 11.06.2026
Allocated RIR Network
RIPE NCC (Europe, Middle East, Central Asia)
Autonomous Owner
Fibia Infrastructure
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