Yes — rapid-setup-sheet-builder.download has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 rapid-setup-sheet-builder.download has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:2357 answers · 443✓ 2606:4700:3032::ac43:d839 answers · 443	yes
www over IPv6 www.rapid-setup-sheet-builder.download has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:d839 answers · 443✓ 2606:4700:3034::6815:2357 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. lana.ns.cloudflare.com ✓rayden.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://rapid-setup-sheet-builder.download/ via 2606:4700:3034::6815:2357 → 302https://rssb-beta.cloudflareaccess.com/cdn-cgi/access/login/rapid-setup-sheet-builder.download?kid=8f19ceed1323f20ed96a7f0d570b3f1af87f7763c9342f100826618c4c1a1607&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjhmMTljZWVkMTMyM2YyMGVkOTZhN2YwZDU3MGIzZjFhZjg3Zjc3NjNjOTM0MmYxMDA4MjY2MThjNGMxYTE2MDciLCJob3N0bmFtZSI6InJhcGlkLXNldHVwLXNoZWV0LWJ1aWxkZXIuZG93bmxvYWQiLCJyZWRpcmVjdF91cmwiOiIvIiwic2VydmljZV90b2tlbl9zdGF0dXMiOmZhbHNlLCJpc193YXJwIjpmYWxzZSwiaXNfZ2F0ZXdheSI6ZmFsc2UsImV4cCI6MTc5NDQ5OTYyOCwibmJmIjoxNzk0NDk5MzI4LCJpYXQiOjE3OTQ0OTkzMjgsImF1dGhfc3RhdHVzIjoiTk9ORSIsIm10bHNfYXV0aCI6eyJjZXJ0X2lzc3Vlcl9kbiI6IiIsImNlcnRfc2VyaWFsIjoiIiwiY2VydF9pc3N1ZXJfc2tpIjoiIiwiY2VydF9wcmVzZW50ZWQiOmZhbHNlLCJjb21tb25fbmFtZSI6IiIsImF1dGhfc3RhdHVzIjoiTk9ORSJ9LCJyZWFsX2NvdW50cnkiOiJVUyIsImFwcF9zZXNzaW9uX2hhc2giOiI0ZGVjMTI1YTA1MjdmOWEyZjIwZjU3MzVlNzc4NzYwMGRjNDNiNWQ4NjU4YTAyNDZiOGI2MjJjMjY4MTRkODAwIn0.oOkUan3dHYgZMQglF7eSCvkR9q-oWSc-l9KjA_N5eJ2NA83tnOQuPxEEljHc2t03AIToXPAagOgJvly4ul1LaAraeHbPXIvLsxheoq-1ImhJUGuiRyxPryQeOx6TWcUEIfEJ7HTUl1oD4SH3DfOgoZo2vFV3eqDf0PDxihQmBP00ngSMKbunXvwz9cLYXGU4Bx4sfscH8CWkshd-WKh6QgBB7Y9K8_KnawYNQ0_IeNyRmPfjHGTPKUAC3vBkP4E_1GJmrLFJrWdlxRBqh6OBPuwfqHzJyQ2UU4Osxk-wrBB2E7EqDAwBRHF35baxtuePjnOh_nV0eU1JCK9kU76-XQ&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/rapid-setup-sheet-builder.download.svg)](https://aaaa.bot/rapid-setup-sheet-builder.download)

Check again

rapid-setup-sheet-builder.download Has IPv6

A (IPv4)	104.21.35.87 172.67.216.57
AAAA (IPv6)	2606:4700:3034::6815:2357 2606:4700:3032::ac43:d839

www.rapid-setup-sheet-builder.download Has IPv6

A (IPv4)	172.67.216.57 104.21.35.87
AAAA (IPv6)	2606:4700:3032::ac43:d839 2606:4700:3034::6815:2357

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: rapid-setup-sheet-builder.download
Measured 2026-11-12 16:02:08 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.35.87, 172.67.216.57
AAAA (IPv6): 2606:4700:3034::6815:2357, 2606:4700:3032::ac43:d839
www AAAA:    2606:4700:3032::ac43:d839, 2606:4700:3034::6815:2357

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: rapid-setup-sheet-builder.download has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:2357: answers (TCP 443)
    2606:4700:3032::ac43:d839: answers (TCP 443)
- www over IPv6: www.rapid-setup-sheet-builder.download has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:d839: answers (TCP 443)
    2606:4700:3034::6815:2357: 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://rapid-setup-sheet-builder.download/ via 2606:4700:3034::6815:2357 -> HTTP 302, certificate: valid
    https://rssb-beta.cloudflareaccess.com/cdn-cgi/access/login/rapid-setup-sheet-builder.download?kid=8f19ceed1323f20ed96a7f0d570b3f1af87f7763c9342f100826618c4c1a1607&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.oOkUan3dHYgZMQglF7eSCvkR9q-oWSc-l9KjA_N5eJ2NA83tnOQuPxEEljHc2t03AIToXPAagOgJvly4ul1LaAraeHbPXIvLsxheoq-1ImhJUGuiRyxPryQeOx6TWcUEIfEJ7HTUl1oD4SH3DfOgoZo2vFV3eqDf0PDxihQmBP00ngSMKbunXvwz9cLYXGU4Bx4sfscH8CWkshd-WKh6QgBB7Y9K8_KnawYNQ0_IeNyRmPfjHGTPKUAC3vBkP4E_1GJmrLFJrWdlxRBqh6OBPuwfqHzJyQ2UU4Osxk-wrBB2E7EqDAwBRHF35baxtuePjnOh_nV0eU1JCK9kU76-XQ&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/zQX1l2jYU2

Permanent link: aaaa.bot/r/zQX1l2jYU2 · How we measure

Checked 2026-11-12 16:02:08 UTC. Full DNS report: dns.pizza/domain/rapid-setup-sheet-builder.download · Age, certificate and blocklists: how.is/rapid-setup-sheet-builder.download · JSON: /api/v1/rapid-setup-sheet-builder.download