addr.tools - possibly useful tools for the Internet
| challenges.addr.tools | dns-01 ACME challenge helper zone |
|---|---|
| dyn.addr.tools | simple dynamic DNS for your own domains, no account required |
| header-echo.addr.tools | view HTTP request headers, modify HTTP response headers |
| info.addr.tools | explore identifying information for domain names and IP addresses |
| ip.addr.tools | construct domain names that resolve to any given IP address |
| myip.addr.tools | get your external IP address |
| dnscheck.tools | identifies your DNS resolvers, checks DNSSEC validation, and more |
On reddit, u/dnschecktool