DNS & Lookup Tools
Reverse DNS (PTR) Lookup
Turn an IP address into its reverse-DNS hostname.
📖 New to this? Read What Is a Reverse DNS (PTR) Lookup?.
Example
8.8.8.8 resolves to the PTR hostname dns.google.
❓ Frequently Asked Questions
What is the Reverse DNS (PTR) Lookup used for?
Find the hostname (PTR record) associated with an IPv4 or IPv6 address.
Is the Reverse DNS (PTR) Lookup free and private?
Yes — it's free with no sign-up. The Reverse DNS (PTR) Lookup queries public network services (such as DNS or WHOIS) directly from your browser to fetch live results; IP Ducky never logs or stores what you look up.
Do I need to install anything to use the Reverse DNS (PTR) Lookup?
No. It works in any modern web browser on desktop, tablet, or phone — no downloads, no browser extensions, and no account required.