Tag: dns
All the articles with the tag "dns".
Why ipconfig /flushdns didn't fix it: stale DNS after moving a domain
After pointing a domain at a new server, one machine kept loading the old site even after flushing DNS. The stale record was in the ISP's resolver, not on the machine. Here is how to prove that in three commands.
Subdomains returned NXDOMAIN after I moved DNS to Cloudflare
After switching nameservers to Cloudflare, 16 of my self-hosted subdomains stopped resolving. The apps were fine. The A records had not been carried over.
Moving a domain apex from Vercel to a VPS with nginx and certbot
How I moved my apex domain from Vercel to a self-hosted Next.js container: rebuild as indexable, add an nginx vhost, change one A record, run certbot, keep a noindex mirror.