Useful Links

Articles

Best Practices to mitigate OSINT with Cloudflare

How to Implement DMARC/DKIM/SPF to Stop Email Spoofing/Phishing: The Definitive Guide

IP Check

Ipv4 / IPv6 Test

https://ipinfo.io/

https://eth0.dev

Ping Tests

http://ping.pe/

https://mtr.sh/

https://traceroute.dev

DNS Tools:

https://dnssec-debugger.verisignlabs.com/

https://dnsviz.net/

https://zonemaster.dev