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
9.9.9.9
Network Provider (ISP / ASN)
AS19281 (QUAD9-AS-1 - Quad9, US) [US]
Remote Server Geolocation Clock
Country
United States
United States
Region & City
California, Berkeley
Postal Code
94709
Coordinates (Lat / Lon)
37.8806, -122.268
Timezone Mapped
America/Los_Angeles
Server Local Time
02:29:16 - 31.10.2026
Allocated RIR Network
ARIN (North America)
Autonomous Owner
Quad9
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
Server Location Map
OpenStreetMap
Berkeley, United States
37.8806, -122.2680
Free OpenStreetMap Service
View Full Map