Yes — rjmelhub.app has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 rjmelhub.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:8049 answers · 443✓ 2606:4700:3031::6815:d1 answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. lauryn.ns.cloudflare.com ✓thomas.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://rjmelhub.app/ via 2606:4700:3035::ac43:8049 → 302https://throbbing-hill-c00f.cloudflareaccess.com/cdn-cgi/access/login/rjmelhub.app?kid=6f559a3a63476f5d134aa79353a2bdcd10ed0e1f24964a3d6607f3c953202d21&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjZmNTU5YTNhNjM0NzZmNWQxMzRhYTc5MzUzYTJiZGNkMTBlZDBlMWYyNDk2NGEzZDY2MDdmM2M5NTMyMDJkMjEiLCJob3N0bmFtZSI6InJqbWVsaHViLmFwcCIsInJlZGlyZWN0X3VybCI6Ii8iLCJzZXJ2aWNlX3Rva2VuX3N0YXR1cyI6ZmFsc2UsImlzX3dhcnAiOmZhbHNlLCJpc19nYXRld2F5IjpmYWxzZSwiZXhwIjoxNzkzODY5MjgzLCJuYmYiOjE3OTM4Njg5ODMsImlhdCI6MTc5Mzg2ODk4MywiYXV0aF9zdGF0dXMiOiJOT05FIiwibXRsc19hdXRoIjp7ImNlcnRfaXNzdWVyX2RuIjoiIiwiY2VydF9zZXJpYWwiOiIiLCJjZXJ0X2lzc3Vlcl9za2kiOiIiLCJjZXJ0X3ByZXNlbnRlZCI6ZmFsc2UsImNvbW1vbl9uYW1lIjoiIiwiYXV0aF9zdGF0dXMiOiJOT05FIn0sInJlYWxfY291bnRyeSI6IlVTIiwiYXBwX3Nlc3Npb25faGFzaCI6IjE3N2ZhNWIyMDgyZDIwZWIyNzljMTQxY2VjZTAzYzZmY2Y3MDRkZDNjZGE1ZjIwMWM4MjE1NjZiMzExZDhjMjQifQ.hLtpV_bsyY-WhiE4X2CJXiayd1i8t0gIRHT-jpB_5Im0osO1wmBdDz0cwQZesgmwQABHW7hQiH-KgmY8-31A1c9fCOSMAcRokyCDuGMRKGzB-mzB51Kl4_3rmmlg7cNZCDA__T6vLJnmC4Y1EyxKOiy5LNyzZY8pwKqJGLkIbjyaL-uq3IcbzePLFCKh8ABE5HH7IjGDhuekrBVI_AjujEGYsZC3gSKMrK8WErf7ZmZuB4sST6DxJx8KB2kn3qrwkGFpQU-7EfbkI8V6XMb9MDekHBkxZKtCLuveJGNqEEtTMjdVV1QsR7kZy4QRU_OwSmcgvxDO5dIiV4HNd_04gw&redirect_url=%2F via 2606:4700:300a::6813:c21d → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/rjmelhub.app.svg)](https://aaaa.bot/rjmelhub.app)

Check again

rjmelhub.app Has IPv6

A (IPv4)	104.21.0.209 172.67.128.73
AAAA (IPv6)	2606:4700:3035::ac43:8049 2606:4700:3031::6815:d1

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: rjmelhub.app
Measured 2026-11-05 08:56:23 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.0.209, 172.67.128.73
AAAA (IPv6): 2606:4700:3035::ac43:8049, 2606:4700:3031::6815:d1

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: rjmelhub.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:8049: answers (TCP 443)
    2606:4700:3031::6815:d1: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://rjmelhub.app/ via 2606:4700:3035::ac43:8049 -> HTTP 302, certificate: valid
    https://throbbing-hill-c00f.cloudflareaccess.com/cdn-cgi/access/login/rjmelhub.app?kid=6f559a3a63476f5d134aa79353a2bdcd10ed0e1f24964a3d6607f3c953202d21&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.hLtpV_bsyY-WhiE4X2CJXiayd1i8t0gIRHT-jpB_5Im0osO1wmBdDz0cwQZesgmwQABHW7hQiH-KgmY8-31A1c9fCOSMAcRokyCDuGMRKGzB-mzB51Kl4_3rmmlg7cNZCDA__T6vLJnmC4Y1EyxKOiy5LNyzZY8pwKqJGLkIbjyaL-uq3IcbzePLFCKh8ABE5HH7IjGDhuekrBVI_AjujEGYsZC3gSKMrK8WErf7ZmZuB4sST6DxJx8KB2kn3qrwkGFpQU-7EfbkI8V6XMb9MDekHBkxZKtCLuveJGNqEEtTMjdVV1QsR7kZy4QRU_OwSmcgvxDO5dIiV4HNd_04gw&redirect_url=%2F via 2606:4700:300a::6813:c21d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/qPc2ZdPwMu

Permanent link: aaaa.bot/r/qPc2ZdPwMu · How we measure

Checked 2026-11-05 08:56:23 UTC. Full DNS report: dns.pizza/domain/rjmelhub.app · Age, certificate and blocklists: how.is/rjmelhub.app · JSON: /api/v1/rjmelhub.app