Discussion on: Useful sites and apps I've come across while studying web frontend development and web server configuration

Great article and beautifully explained. I also worked as a web developer. Repointing a domain to different name servers also burned me a lot. But I want to suggest a tool that I use for DNS lookup service, and no doubt, it will also help you and the users in the future. dnschecker.org/
Some of the cool features of DNSChecker are
You can...

• Add your custom DNS server
• IPv4, IPv6 DNS servers available
• Provides 300+ DNS servers for lookup --- Continent List example ( dnschecker.org/continent/northamer... ) --- Country List ( dnschecker.org/country/us/ )