Yes — reviewer.date has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 reviewer.date has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:3bbf answers · 443✓ 2606:4700:3037::ac43:b6eb 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. michael.ns.cloudflare.com ✓rayne.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://reviewer.date/ via 2606:4700:3035::6815:3bbf → 302https://soft-rain-62a9.cloudflareaccess.com/cdn-cgi/access/login/reviewer.date?kid=61b5de47d84a959955011074de152c67cb8e07e2883be6ed49ea60e56c491e11&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.ZVTfQdnG4jQFE2-gfOS7oDtK4jytY8EFA6JJFqP6ixL4BbA2a2TSORarK0mBhboBcr7058M8lu6luYUn4aEyHJnZvxuzIw12oKVRgwW2iNn4JIZTbRiC9bITVqBYeXCxEZEL4TLzFxcTK4LYXQWS62STVFb1w6mmV8qmoBxrdL8xlHCGh_g-pQDYiOi85s6_RoJoqucWE8w2YqDsev1DkifqBad53YnNc9pTg1gfPLx37YX-zBoGzJp6nZOQzanPw-riSIDCUHM7M0rxQlCcd9Kiv5K7NmuVjrFYDoUInPd6ChMoZLoJbDxDt1WR0-HH2DJv_Wg06fUH28YCTBN9Hw&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/reviewer.date.svg)](https://aaaa.bot/reviewer.date)

Check again

reviewer.date Has IPv6

A (IPv4)	104.21.59.191 172.67.182.235
AAAA (IPv6)	2606:4700:3035::6815:3bbf 2606:4700:3037::ac43:b6eb

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: reviewer.date
Measured 2026-11-12 06:00:23 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.59.191, 172.67.182.235
AAAA (IPv6): 2606:4700:3035::6815:3bbf, 2606:4700:3037::ac43:b6eb

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: reviewer.date has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:3bbf: answers (TCP 443)
    2606:4700:3037::ac43:b6eb: 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://reviewer.date/ via 2606:4700:3035::6815:3bbf -> HTTP 302, certificate: valid
    https://soft-rain-62a9.cloudflareaccess.com/cdn-cgi/access/login/reviewer.date?kid=61b5de47d84a959955011074de152c67cb8e07e2883be6ed49ea60e56c491e11&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.ZVTfQdnG4jQFE2-gfOS7oDtK4jytY8EFA6JJFqP6ixL4BbA2a2TSORarK0mBhboBcr7058M8lu6luYUn4aEyHJnZvxuzIw12oKVRgwW2iNn4JIZTbRiC9bITVqBYeXCxEZEL4TLzFxcTK4LYXQWS62STVFb1w6mmV8qmoBxrdL8xlHCGh_g-pQDYiOi85s6_RoJoqucWE8w2YqDsev1DkifqBad53YnNc9pTg1gfPLx37YX-zBoGzJp6nZOQzanPw-riSIDCUHM7M0rxQlCcd9Kiv5K7NmuVjrFYDoUInPd6ChMoZLoJbDxDt1WR0-HH2DJv_Wg06fUH28YCTBN9Hw&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/7PWYS_aCwI

Permanent link: aaaa.bot/r/7PWYS_aCwI · How we measure

Checked 2026-11-12 06:00:23 UTC. Full DNS report: dns.pizza/domain/reviewer.date · Age, certificate and blocklists: how.is/reviewer.date · JSON: /api/v1/reviewer.date