exists.lol

Record types

Record type What it does Use it for Example value
A Points your subdomain to an IPv4 address. VPS, dedicated server, self-hosted website, API server. 1.2.3.4
AAAA Points your subdomain to an IPv6 address. VPS or server with IPv6 support. 2606:4700:4700::1111
CNAME Points your subdomain to another hostname. GitHub Pages, Vercel, Netlify, Railway, Render, custom hosting. username.github.io
TXT Stores text data in DNS. Verification records, ownership checks, custom metadata. hello-from-exists-lol
MX Points mail delivery to a mail server. Email hosting for your subdomain. 10 mail.example.com

Note: CNAME cannot be mixed with A, AAAA, TXT, or MX for the same subdomain.