Yes — mytributary.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 mytributary.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:1a37 answers · 443✓ 2606:4700:3033::ac43:877c answers · 443	yes
www over IPv6 www.mytributary.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:877c answers · 443✓ 2606:4700:3037::6815:1a37 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. kevin.ns.cloudflare.com ✓lilyana.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://mytributary.app/ via 2606:4700:3037::6815:1a37 → 301https://www.mytributary.com/ via 2606:4700:3031::ac43:c1cb → 302https://mytributary.cloudflareaccess.com/cdn-cgi/access/login/www.mytributary.com?kid=b34e05ef91c4d813ad7bb91ba56c79349826ae906e9c050e805c7f8d30d28e37&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjhhOGVhMzE0MDliMzlkNzc3ZThlNzI4NzYyMmQ0ODUyOGQyYTVjOGQ1NjU5NTdjMGIyYjk1ZTczODZkNDY0NGMifQ.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.eimjKMK8MxgfG7Cug1LjJKPn9S4wzH9oVYK0vaHCft3iJej1H28T2b3__UpV6k-jJyS7UFwK0LdLgvwvrqJRHU3HRtFzUnWJy71Z39NH7023D4kqGSpv3WFW6ac_D4Y0o4Fa3qOvHiQZdQuY67OeDR07XTLJKGaT2YEwBaA1muwYH_ULp1-rwSNqsi-BT67uIY38bVsejtvyV76ploP608LT32SntgcS1iVVK3wfwu9VGgC3eb1wGGRwp5LhlZvZYOtn6HjkXeWRhEW1ecjZuF5phfwbJUFxrwLQNNsYJrO0ITTYL0bAcCLOqcyiHIT7W9-bjuzG8RdbWJB0XHw1Jw&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/mytributary.app.svg)](https://aaaa.bot/mytributary.app)

Check again

mytributary.app Has IPv6

A (IPv4)	172.67.135.124 104.21.26.55
AAAA (IPv6)	2606:4700:3037::6815:1a37 2606:4700:3033::ac43:877c

www.mytributary.app Has IPv6

A (IPv4)	172.67.135.124 104.21.26.55
AAAA (IPv6)	2606:4700:3033::ac43:877c 2606:4700:3037::6815:1a37

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: mytributary.app
Measured 2026-11-05 10:13:53 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.135.124, 104.21.26.55
AAAA (IPv6): 2606:4700:3037::6815:1a37, 2606:4700:3033::ac43:877c
www AAAA:    2606:4700:3033::ac43:877c, 2606:4700:3037::6815:1a37

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: mytributary.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:1a37: answers (TCP 443)
    2606:4700:3033::ac43:877c: answers (TCP 443)
- www over IPv6: www.mytributary.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:877c: answers (TCP 443)
    2606:4700:3037::6815:1a37: 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 2 redirects: HTTP 200.
    https://mytributary.app/ via 2606:4700:3037::6815:1a37 -> HTTP 301, certificate: valid
    https://www.mytributary.com/ via 2606:4700:3031::ac43:c1cb -> HTTP 302, certificate: valid
    https://mytributary.cloudflareaccess.com/cdn-cgi/access/login/www.mytributary.com?kid=b34e05ef91c4d813ad7bb91ba56c79349826ae906e9c050e805c7f8d30d28e37&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjhhOGVhMzE0MDliMzlkNzc3ZThlNzI4NzYyMmQ0ODUyOGQyYTVjOGQ1NjU5NTdjMGIyYjk1ZTczODZkNDY0NGMifQ.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.eimjKMK8MxgfG7Cug1LjJKPn9S4wzH9oVYK0vaHCft3iJej1H28T2b3__UpV6k-jJyS7UFwK0LdLgvwvrqJRHU3HRtFzUnWJy71Z39NH7023D4kqGSpv3WFW6ac_D4Y0o4Fa3qOvHiQZdQuY67OeDR07XTLJKGaT2YEwBaA1muwYH_ULp1-rwSNqsi-BT67uIY38bVsejtvyV76ploP608LT32SntgcS1iVVK3wfwu9VGgC3eb1wGGRwp5LhlZvZYOtn6HjkXeWRhEW1ecjZuF5phfwbJUFxrwLQNNsYJrO0ITTYL0bAcCLOqcyiHIT7W9-bjuzG8RdbWJB0XHw1Jw&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/wcxDuZm9ie

Permanent link: aaaa.bot/r/wcxDuZm9ie · How we measure

Checked 2026-11-05 10:13:53 UTC. Full DNS report: dns.pizza/domain/mytributary.app · Age, certificate and blocklists: how.is/mytributary.app · JSON: /api/v1/mytributary.app