dns checker

updates dynamic dns services when the computer's IP address changes.

Comphresensive Internet component incl. DNS, Proxy, Tracert, IP lookup, time

Minimal python dns server, it only replies with a selected ip in an A record

query a Domain Name System(DNS) server for Mail Exchange(MX) Resource Records

A stand-alone multi-lingual spell checker for any Windows application.

Check the health of your disks or SSDs for free with Smart Disk Checker

Dupe Checker PRO Find All Dupe Files and Folders!

Reciprocal links checker tool monitors weblink on various website simultaneously

EasySQL Checker for Oracle is a SQL syntax validation tool

#1 Bulk PageRank Checker can check very large lists for Google PageRank