Custom Port in domain name, port mapper, DS-Lite

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Hi,

In this case, Cloudflare sure can’t let you use this subdomain.

However, You can still use CF with some extra actions.

You can either register a free domain name from freenom.com (Only .gq, ga, and other free extensions) or register a domain name and cname it to your AVM domain.

P.S. the root of your registered domain name might not be able to use cname, so you can either use a domain redirect or enter the IPV6 address manually and use a simple API script to update the record. (The script thing only works if your original ISP doesn’t block port 80 or your root domain can’t be accessed either)

In short:

  1. Try visit the IPv6 address directly… If port 80 isn’t blocked by your ISP, proceed.
  2. Grab a free domain name from freenom or Register one (Paid) from any domain name services
  3. Setup Cloudflare on your new domain name
  4. Create cname record on the www version of your new domain to the AVM subdomain (raspberrypi.abcdefghiklmn.myfritz.net)
  5. Enter the IPV6 address (The One ISP gave you) to the root domain record (AAAA Record)
  6. Click on the Gray Cloud and make it orange for both domain

Then your http should be working in both IPV4 & IPV6. HTTPS of the new domain might take sometime since Cloudflare takes some time to issue a free TLS certificate for your domain.

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