◎ SEOlust
IP Tools

Reverse DNS Lookup (PTR)

Find PTR hostname for an IPv4 or IPv6 address.

All tools

Reverse DNS Lookup (PTR)

Find the PTR hostname associated with an IP address.

About Reverse DNS Lookup (PTR)

Lookup PTR records (reverse DNS) for IPv4 and IPv6 addresses.

What this tool does

Reverse DNS Lookup (PTR) helps you validate and analyze IP information quickly, without third-party APIs.

Why it matters

IP checks are useful for debugging DNS issues, security reviews, and server configuration.

  • Catch formatting mistakes instantly.
  • Reduce misconfiguration and downtime risk.
  • Make audits faster for teams and clients.

Pro tip

Always verify results from multiple sources when making security decisions.

FAQ

Do you store my input?
No. Inputs are processed to generate results and are not intended to be stored.
Does it work on mobile?
Yes. The layout is responsive.
Is it free?
Yes.

Related tools

Pro tip: pair this tool with What is My IP and Bulk GEO IP Locator for a faster SEO workflow.