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Reverse DNS

Reverse DNS Lookup - IP to Hostname

Perform reverse DNS lookup to find the hostname associated with an IP address. Essential for email deliverability and network diagnostics.

How It Works

Reverse DNS queries PTR records in the in-addr.arpa (IPv4) or ip6.arpa (IPv6) zones to find hostnames mapped to IP addresses.

Understanding Results

Results show the hostname(s) associated with the IP. Proper reverse DNS is important for email deliverability and security verification.