Yes — hiddenorder.dev has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 hiddenorder.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:1f79 answers · 443✓ 2606:4700:3031::ac43:b080 answers · 443	yes
www over IPv6 www.hiddenorder.dev has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::ac43:b080 answers · 443✓ 2606:4700:3034::6815:1f79 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route2.mx.cloudflare.net ✓route3.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. arely.ns.cloudflare.com ✓dimitris.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://hiddenorder.dev/ via 2606:4700:3034::6815:1f79 → 302https://apogiatzis.cloudflareaccess.com/cdn-cgi/access/login/hiddenorder.dev?kid=ac68f2fc29efb3ec3401a652feaed579d371077ca77aafce9454a93b775b6473&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjJkNjJkYTA3NjE1M2UzZTU4ZjkyZjExMzkzYTA5OTYwMDcwYzgxMGNjYzJhYzVlZmRkZDgxYzE3YzllMDQ2ZTUifQ.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.Pu9b-MiPRFl8cjm-P8EqVn_-_ToZLPirT4TgUMuIqxzaF5JbVhdHKmBtSBat7bVKNuIbucPghmvOiBXp9yyxzhGtYj59emmEoRa6dAOG44UddlhIGd1LheIOVp1_vXVh8XVx6ChXPY9MZp5qUVdvpqp-xIejwJ4waYHaBbI2gGCBFGjyIdegAunSS6i3TNR38y1wh-IQ_KhlTZjcCC_j6Vhf3ALxOPF1DEJaEdo6kZiSLnofk56XC29uUCMvlwHl6tE8Vx33lTZAthO3_YAqYntCWfbBLyPLIkCwnNi0W4pLbbPJOFx5jfxDogPSkujdyj0mT-OMSxnpC_osPrq8MA&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/hiddenorder.dev.svg)](https://aaaa.bot/hiddenorder.dev)

Check again

hiddenorder.dev Has IPv6

A (IPv4)	172.67.176.128 104.21.31.121
AAAA (IPv6)	2606:4700:3034::6815:1f79 2606:4700:3031::ac43:b080

www.hiddenorder.dev Has IPv6

A (IPv4)	104.21.31.121 172.67.176.128
AAAA (IPv6)	2606:4700:3031::ac43:b080 2606:4700:3034::6815:1f79

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: hiddenorder.dev
Measured 2026-11-04 03:10:29 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.176.128, 104.21.31.121
AAAA (IPv6): 2606:4700:3034::6815:1f79, 2606:4700:3031::ac43:b080
www AAAA:    2606:4700:3031::ac43:b080, 2606:4700:3034::6815:1f79

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: hiddenorder.dev has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:1f79: answers (TCP 443)
    2606:4700:3031::ac43:b080: answers (TCP 443)
- www over IPv6: www.hiddenorder.dev has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::ac43:b080: answers (TCP 443)
    2606:4700:3034::6815:1f79: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://hiddenorder.dev/ via 2606:4700:3034::6815:1f79 -> HTTP 302, certificate: valid
    https://apogiatzis.cloudflareaccess.com/cdn-cgi/access/login/hiddenorder.dev?kid=ac68f2fc29efb3ec3401a652feaed579d371077ca77aafce9454a93b775b6473&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjJkNjJkYTA3NjE1M2UzZTU4ZjkyZjExMzkzYTA5OTYwMDcwYzgxMGNjYzJhYzVlZmRkZDgxYzE3YzllMDQ2ZTUifQ.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.Pu9b-MiPRFl8cjm-P8EqVn_-_ToZLPirT4TgUMuIqxzaF5JbVhdHKmBtSBat7bVKNuIbucPghmvOiBXp9yyxzhGtYj59emmEoRa6dAOG44UddlhIGd1LheIOVp1_vXVh8XVx6ChXPY9MZp5qUVdvpqp-xIejwJ4waYHaBbI2gGCBFGjyIdegAunSS6i3TNR38y1wh-IQ_KhlTZjcCC_j6Vhf3ALxOPF1DEJaEdo6kZiSLnofk56XC29uUCMvlwHl6tE8Vx33lTZAthO3_YAqYntCWfbBLyPLIkCwnNi0W4pLbbPJOFx5jfxDogPSkujdyj0mT-OMSxnpC_osPrq8MA&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/z_-IsDUDHa

Permanent link: aaaa.bot/r/z_-IsDUDHa · How we measure

Checked 2026-11-04 03:10:29 UTC. Full DNS report: dns.pizza/domain/hiddenorder.dev · Age, certificate and blocklists: how.is/hiddenorder.dev · JSON: /api/v1/hiddenorder.dev