[Solved] DNS-Error 1000 on connecting “medium.com” custom domain with Cloudflare

Step by Step

• On Cloudflare, make sure you configure your Cloudflare DNS to point to the right domain, as shown in the picture

Cloudflare DNS Records

• On Medium.com, please follow the support page to get the correct IP addresses (as shown in the picture below)

Medium.com Settings Page

If custom domain in Medium.com had already linked then we need to unlink and link it again after we done Cloudflare step properly

• Done. Happy writer :)

TL;DR

Actually, this solution is not originally mine, but I searched around the internet and saw people asking the same question again and again then I can conclude on the exact step to make it work on the custom domain in medium.com (paid user) specially for me.