If your domain is registered elsewhere, for example, you have a current site with another host – but you are planning on building a new site and moving to Krystal – you might want to set up and test… Source: How do I view my website to test it before changing my name server DNS?
DNS Spy: Paranoid about your DNS. Monitor & back-up your DNS, get alerts when your DNS changes. Source: DNS Spy: Paranoid about your DNS. Monitor & back-up your DNS, get alerts when your DNS changes.
SecurityTrails enables you to explore complete current and historical data for any internet assets. IP & DNS history, domain, SSL and Open Port intelligence made easy Source: SecurityTrails | The World’s Largest Repository of Historical DNS data
Test your new site before it goes live, no DNS modifications needed! Source: hosts.cx: the website previewer
SecurityTrails helps you prepare so you’re never blindsided or embarrassed by an attack you could have prevented. Source: SecurityTrails | The World’s Largest Repository of Historical DNS data
You can tell your Mac to use a Host File instead of your DNS to go online. Here’s how! Source: How to edit your Mac’s Hosts file and why you would want to
intoDNS checks the health and configuration of DNS and mail servers. Source: intoDNS: checks DNS and mail servers health
Source: DNS check tool