Yes — manacodex.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 manacodex.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:b873 answers · 443✓ 2606:4700:3031::6815:1310 answers · 443	yes
www over IPv6 www.manacodex.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:1310 answers · 443✓ 2606:4700:3033::ac43:b873 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. lana.ns.cloudflare.com ✓ryan.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://manacodex.app/ via 2606:4700:3033::ac43:b873 → 302https://restless-truth-3757.cloudflareaccess.com/cdn-cgi/access/login/manacodex.app?kid=86ecda67aca199828009f08d5837d919245ac70212241958995f7d4d42056167&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.IsX_JsAssIzRN7mQus_Wi7mGSvxzeZILRNv_mOPo8y9DGlzPCP30dML3XwQNY3xETrjR5jqoJhtWDCHpOW4GffaZFWwqTQnXiAX_LKI6EA81EulRdxY91bwYWvbpf4XRIYz3YuAwrUZzjy6P-S9NnFaCX0179blebtq370xh1_9QkIBypqpgDHLO0Up4nYgG2NN-EGeejKGdvpqp8cJTKfphG0LB9gsBZljZ0XaCBrz7B-6b_BFKEVoV4pjUgIcaaPuv6pkh4U-6F4nIecFoWG1Q5X_U4FmjgzG-nU_VtDL6GeAH845aXke0BtGUbrAgh69vDy4ltwLPNyq_apyOXA&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/manacodex.app.svg)](https://aaaa.bot/manacodex.app)

Check again

manacodex.app Has IPv6

A (IPv4)	172.67.184.115 104.21.19.16
AAAA (IPv6)	2606:4700:3033::ac43:b873 2606:4700:3031::6815:1310

www.manacodex.app Has IPv6

A (IPv4)	104.21.19.16 172.67.184.115
AAAA (IPv6)	2606:4700:3031::6815:1310 2606:4700:3033::ac43:b873

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: manacodex.app
Measured 2026-11-10 01:50:40 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.184.115, 104.21.19.16
AAAA (IPv6): 2606:4700:3033::ac43:b873, 2606:4700:3031::6815:1310
www AAAA:    2606:4700:3031::6815:1310, 2606:4700:3033::ac43:b873

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: manacodex.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:b873: answers (TCP 443)
    2606:4700:3031::6815:1310: answers (TCP 443)
- www over IPv6: www.manacodex.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:1310: answers (TCP 443)
    2606:4700:3033::ac43:b873: 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://manacodex.app/ via 2606:4700:3033::ac43:b873 -> HTTP 302, certificate: valid
    https://restless-truth-3757.cloudflareaccess.com/cdn-cgi/access/login/manacodex.app?kid=86ecda67aca199828009f08d5837d919245ac70212241958995f7d4d42056167&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.IsX_JsAssIzRN7mQus_Wi7mGSvxzeZILRNv_mOPo8y9DGlzPCP30dML3XwQNY3xETrjR5jqoJhtWDCHpOW4GffaZFWwqTQnXiAX_LKI6EA81EulRdxY91bwYWvbpf4XRIYz3YuAwrUZzjy6P-S9NnFaCX0179blebtq370xh1_9QkIBypqpgDHLO0Up4nYgG2NN-EGeejKGdvpqp8cJTKfphG0LB9gsBZljZ0XaCBrz7B-6b_BFKEVoV4pjUgIcaaPuv6pkh4U-6F4nIecFoWG1Q5X_U4FmjgzG-nU_VtDL6GeAH845aXke0BtGUbrAgh69vDy4ltwLPNyq_apyOXA&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/3QTRzqjvXg

Permanent link: aaaa.bot/r/3QTRzqjvXg · How we measure

Checked 2026-11-10 01:50:40 UTC. Full DNS report: dns.pizza/domain/manacodex.app · Age, certificate and blocklists: how.is/manacodex.app · JSON: /api/v1/manacodex.app