> DNS Toolbox DNS, email, and network diagnostics for sysadmins.

NETWORK INTELLIGENCE

rDNS Checker

Find reverse DNS names, verify their forward records and identify the network owner.

Set up your checkPublic IPv4 and IPv6

Checks up to four resolved public IPs. Missing PTR or ASN data is shown explicitly.

Data noteChecks run from this server. Targets and results are not saved by this tool. Network conditions and provider availability can affect results.