Reverse DNS (PTR) — Query53

DNS Checker
SPF Generator
DMARC Generator
What’s My IP
Reverse DNS (PTR)
WHOIS Lookup
DNS Propagation
DNS Blacklist Check
TLS/SSL Checker
Email Header Analyzer
All Tools

Menu

🔍 DNS Checker 🧪 SPF Generator 🧪 DMARC Generator 📡 What’s My IP 🔄 Reverse DNS (PTR) 📜 WHOIS Lookup 🌍 DNS Propagation 🚫 DNS Blacklist Check 🔒 TLS/SSL Checker ⚙️ All Tools

Reverse DNS (PTR) lookup

IP address

We’ll try both IPv4 and IPv6 formats.

What’s My IP

Results

Querying PTR…

No results yet. Enter an IP and click Lookup PTR.

Tips

Mail servers should have a PTR that matches (or aligns with) their HELO and forward A/AAAA.

© 2026 Query53 — Fast DNS & networking tools.

Tools Privacy Terms Contact

This site uses cookies for basic preferences. Learn more.

Querying…

Please wait while we query the results