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
91.99.0.0
Network Provider (ISP / ASN)
AS24940 (HETZNER-AS - Hetzner Online GmbH, DE) [DE]
Remote Server Geolocation & Time
Country
Germany
Germany
Region & City
Saxony, Falkenstein
Postal Code
08223
Coordinates (Lat / Lon)
50.4777, 12.3649
Timezone Mapped
Europe/Berlin
Server Local Time
03:37:36 - 21.06.2026
Allocated RIR Network
RIPE NCC (Europe, Middle East, Central Asia)
Autonomous Owner
Hetzner
Live Security Reputation Check
Threat Flags Detected!
This IP is actively listed on spam reputation or security centers.
Spamhaus Zen RBL:
CLEAN
Barracuda Central:
LISTED
USOM Threat Center:
CLEAN