internet
Linux Administration Guide | Baeldung on Linux
https://www.baeldung.com/linux/linux-administration-series
Internet Speed Test | Fast.com
https://fast.com/
How fast is your download speed? In seconds, FAST.com's simple Internet speed test will estimate your ISP speed.
How to Send E-mail Directly from an AutoHotkey Script | Jack's AutoHotkey Blog
https://jacks-autohotkey-blog.com/2019/05/10/how-to-send-e-mail-directly-from-an-autohotkey-script/
DNS Propagation Checker - Global DNS Testing Tool
https://www.whatsmydns.net/#A/sanderswinery.com
Instant DNS Propagation Check. Global DNS Propagation Checker - Check DNS records around the world.
Visual traceroute - Track and map the full path of an IP packet
https://gsuite.tools/traceroute
MTR tool 23.162.0.161
https://www.infobyip.com/mtrreport-23.162.0.161-ipv4.html
MTR tool 23.162.0.161