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
165.89.0.0
Network Provider (ISP / ASN)
Unknown ISP
Reverse Hostname (PTR)
No Pointer (PTR) record configured for this IP.
Remote Server Geolocation & Time
Country
United States
United States
Region & City
New York, New York
Postal Code
10016
Coordinates (Lat / Lon)
40.7399, -73.9744
Timezone Mapped
America/New_York
Server Local Time
13:15:02 - 08.07.2026
Allocated RIR Network
ARIN (North America)
Autonomous Owner
Bristol-Myers Squibb Company
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