Find answers to the most commonly asked questions below.
RDNS Lookup, or Reverse DNS Lookup, is a process that translates an IP address into its associated domain name. It’s commonly used to verify email senders and improve network security.
RDNS Lookup helps identify the domain behind an IP address, improving email deliverability, detecting spam sources, and protecting your network from potential threats.
RDNS Lookup queries the PTR (Pointer) record in the DNS system for a given IP address to find the domain name associated with it.
Yes, RDNS Lookup is crucial for ensuring email servers recognize your IP address as legitimate, preventing your emails from being marked as spam.
No, while DNS Lookup translates domain names into IP addresses, RDNS Lookup works in the opposite direction by converting IP addresses into domain names.
PTR records, or Pointer records, are DNS records used in RDNS Lookups to map an IP address to a domain name. They are essential for verifying the reverse mapping.
Yes, you can use our RDNS Lookup tool to check the domain associated with any publicly accessible IP address. However, private IP addresses may not have associated PTR records.
RDNS Lookup is widely used in email validation, network troubleshooting, server verification, and identifying spam sources.