Yes — algis.red has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 algis.red has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:21c answers · 443✓ 2606:4700:3030::ac43:80a3 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. aarav.ns.cloudflare.com ✓mina.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://algis.red/ via 2606:4700:3030::6815:21c → 302https://adamzt.cloudflareaccess.com/cdn-cgi/access/login/algis.red?kid=94f5a2759c363c38e16d54d5c36d1d4537ff388d94aa37de921f8cb0dd370dc9&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImRhNGYzZjNiMDM3MGFmMWRkYzkwMmJmYmExZjkwNGQ4OGU5NzFiMmMxYjAzYzQ5MTQ3M2VmODZlYWRlNzIwODUifQ.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.gPJl9vUOgZH9bcej0j2Fg2amiL7FXX-MolxU7lIgHogPl5l6sjM6QFzETzJXCcjQdJTiDKGZL_rh-TcdkC99ZPxpund5_T4j3-g9blb3e18JnIBXZmYFkzZUP0DvT9YkdeRk4AIaTqzTvfm4aI6pNnB4K_zNVw0tbr0S2AdwDhQM3M7qexMfq43RuQXHxU1t0Kj4yqingyqIgIeR6AMik4-OncB9uUAGV7Owqh6fb3DsyfFG6j-3LPPVS7DJc7xtIALxU1c8aqCI18gtgVc2ZtGNf6w_-l2lUAKbmOueZsFB1VvYEVzTomnHo8AMRPrP_FOgTD7uGKf8xRGS19rGjg&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/algis.red.svg)](https://aaaa.bot/algis.red)

Check again

algis.red Has IPv6

A (IPv4)	172.67.128.163 104.21.2.28
AAAA (IPv6)	2606:4700:3030::6815:21c 2606:4700:3030::ac43:80a3

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: algis.red
Measured 2026-11-08 06:34:42 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.128.163, 104.21.2.28
AAAA (IPv6): 2606:4700:3030::6815:21c, 2606:4700:3030::ac43:80a3

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: algis.red has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:21c: answers (TCP 443)
    2606:4700:3030::ac43:80a3: 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://algis.red/ via 2606:4700:3030::6815:21c -> HTTP 302, certificate: valid
    https://adamzt.cloudflareaccess.com/cdn-cgi/access/login/algis.red?kid=94f5a2759c363c38e16d54d5c36d1d4537ff388d94aa37de921f8cb0dd370dc9&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImRhNGYzZjNiMDM3MGFmMWRkYzkwMmJmYmExZjkwNGQ4OGU5NzFiMmMxYjAzYzQ5MTQ3M2VmODZlYWRlNzIwODUifQ.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.gPJl9vUOgZH9bcej0j2Fg2amiL7FXX-MolxU7lIgHogPl5l6sjM6QFzETzJXCcjQdJTiDKGZL_rh-TcdkC99ZPxpund5_T4j3-g9blb3e18JnIBXZmYFkzZUP0DvT9YkdeRk4AIaTqzTvfm4aI6pNnB4K_zNVw0tbr0S2AdwDhQM3M7qexMfq43RuQXHxU1t0Kj4yqingyqIgIeR6AMik4-OncB9uUAGV7Owqh6fb3DsyfFG6j-3LPPVS7DJc7xtIALxU1c8aqCI18gtgVc2ZtGNf6w_-l2lUAKbmOueZsFB1VvYEVzTomnHo8AMRPrP_FOgTD7uGKf8xRGS19rGjg&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/t6vTCzOZVp

Permanent link: aaaa.bot/r/t6vTCzOZVp · How we measure

Checked 2026-11-08 06:34:42 UTC. Full DNS report: dns.pizza/domain/algis.red · Age, certificate and blocklists: how.is/algis.red · JSON: /api/v1/algis.red