Yes — tvguide.fyi has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 tvguide.fyi has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:c3e1 answers · 443✓ 2606:4700:3036::6815:3c6b 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. jermaine.ns.cloudflare.com ✓princess.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://tvguide.fyi/ via 2606:4700:3036::ac43:c3e1 → 302https://roest1.cloudflareaccess.com/cdn-cgi/access/login/tvguide.fyi?kid=0870f1cabb9e43083355506289da3deb79cc9f3a104c1db2149b621e3cb75e82&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.npQFSn4cjmUilnxrNUdT2IYSNYCqQUXRHr98Rpi-DAYyG7dhgFZRKs4rzd_XmHFZ--az7K8nsDfpMh6UgG5ztJRh3gOP0vrLowfB3mEpXcUUYTC3_8us1QgzBdP7c-6dTEi7Q57WFq7WfAfOBg4o-hN8CSC-EfGQRh6YB8dlGJ3VhWEzquWwqtqCDcwrc9mxN7pHt0dyKhXVrAxQJn9dMLOFWq6PH2IXehKtLgARHxJEwGn9w9WD_wBd3LhihBc68z-zsRFsT8ZpamgZCC9VF18-KzmM8Y2P6qQ2B6xr9J5Y_X5bGcY63Hd3wVGmQ5VUWeWbKLGZbcZqAIQLGIsp3g&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/tvguide.fyi.svg)](https://aaaa.bot/tvguide.fyi)

Check again

tvguide.fyi Has IPv6

A (IPv4)	104.21.60.107 172.67.195.225
AAAA (IPv6)	2606:4700:3036::ac43:c3e1 2606:4700:3036::6815:3c6b

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: tvguide.fyi
Measured 2026-11-11 09:22:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.60.107, 172.67.195.225
AAAA (IPv6): 2606:4700:3036::ac43:c3e1, 2606:4700:3036::6815:3c6b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: tvguide.fyi has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:c3e1: answers (TCP 443)
    2606:4700:3036::6815:3c6b: 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://tvguide.fyi/ via 2606:4700:3036::ac43:c3e1 -> HTTP 302, certificate: valid
    https://roest1.cloudflareaccess.com/cdn-cgi/access/login/tvguide.fyi?kid=0870f1cabb9e43083355506289da3deb79cc9f3a104c1db2149b621e3cb75e82&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.npQFSn4cjmUilnxrNUdT2IYSNYCqQUXRHr98Rpi-DAYyG7dhgFZRKs4rzd_XmHFZ--az7K8nsDfpMh6UgG5ztJRh3gOP0vrLowfB3mEpXcUUYTC3_8us1QgzBdP7c-6dTEi7Q57WFq7WfAfOBg4o-hN8CSC-EfGQRh6YB8dlGJ3VhWEzquWwqtqCDcwrc9mxN7pHt0dyKhXVrAxQJn9dMLOFWq6PH2IXehKtLgARHxJEwGn9w9WD_wBd3LhihBc68z-zsRFsT8ZpamgZCC9VF18-KzmM8Y2P6qQ2B6xr9J5Y_X5bGcY63Hd3wVGmQ5VUWeWbKLGZbcZqAIQLGIsp3g&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/UaSsOZUBQ_

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

Checked 2026-11-11 09:22:07 UTC. Full DNS report: dns.pizza/domain/tvguide.fyi · Age, certificate and blocklists: how.is/tvguide.fyi · JSON: /api/v1/tvguide.fyi