What to Check After Changing Your Nameservers
https://theuptimejournal.slatecurrent.com/posts/what-to-check-after-changing-your-nameservers
After you update your nameservers, it can take anywhere from a few minutes to 48 hours for the changes to propagate worldwide. During this time, your site might show an old version or a parked page. To see if the switch worked, use a global DNS propagation checker tool—just type in your domain, and it will tell you if the new nameservers are visible from different locations. If you just launched a new site, also make sure your DNS records (like A, CNAME, and MX) are set up correctly with your n…