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
158.85.87.71
Network Provider (ISP / ASN)
AS36351 (SOFTLAYER - IBM Cloud, US) [US]
Remote Server Geolocation & Time
Country
Canada
Canada
Region & City
Ontario, Markham
Postal Code
L3P
Coordinates (Lat / Lon)
43.866, -79.266
Timezone Mapped
America/Toronto
Server Local Time
18:39:21 - 08.08.2026
Allocated RIR Network
ARIN (North America)
Autonomous Owner
SoftLayer Technologies Inc
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