Yes — staging-loading-baby.fyi has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 staging-loading-baby.fyi has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:243c answers · 443✓ 2606:4700:3034::ac43:ba65 answers · 443	yes
www over IPv6 www.staging-loading-baby.fyi has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:243c answers · 443✓ 2606:4700:3034::ac43:ba65 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. gerald.ns.cloudflare.com ✓lauryn.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://staging-loading-baby.fyi/ via 2606:4700:3034::6815:243c → 302https://loading-baby.cloudflareaccess.com/cdn-cgi/access/login/staging-loading-baby.fyi?kid=463a2bc349d3ed306ee756833d50b26b6d8dcbfc9451ec6507b72187a5806ef8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjQ2M2EyYmMzNDlkM2VkMzA2ZWU3NTY4MzNkNTBiMjZiNmQ4ZGNiZmM5NDUxZWM2NTA3YjcyMTg3YTU4MDZlZjgiLCJob3N0bmFtZSI6InN0YWdpbmctbG9hZGluZy1iYWJ5LmZ5aSIsInJlZGlyZWN0X3VybCI6Ii8iLCJzZXJ2aWNlX3Rva2VuX3N0YXR1cyI6ZmFsc2UsImlzX3dhcnAiOmZhbHNlLCJpc19nYXRld2F5IjpmYWxzZSwiZXhwIjoxNzkzNTc5NzM0LCJuYmYiOjE3OTM1Nzk0MzQsImlhdCI6MTc5MzU3OTQzNCwiYXV0aF9zdGF0dXMiOiJOT05FIiwibXRsc19hdXRoIjp7ImNlcnRfaXNzdWVyX2RuIjoiIiwiY2VydF9zZXJpYWwiOiIiLCJjZXJ0X2lzc3Vlcl9za2kiOiIiLCJjZXJ0X3ByZXNlbnRlZCI6ZmFsc2UsImNvbW1vbl9uYW1lIjoiIiwiYXV0aF9zdGF0dXMiOiJOT05FIn0sInJlYWxfY291bnRyeSI6IlVTIiwiYXBwX3Nlc3Npb25faGFzaCI6IjEyNWI0ODU0YjAzZjVhMTk3NWY0MGVjMDdhNTI3ODc0YWJiMDhkYzVkMWIwZWMyYzVkMmRhY2VjNDlkZGI1Y2UifQ.BaEDLMoyeBT6dAZCrd11YzvK-3fnqOQMhmGz2DGjRCj4KEZlWqKoOHw6LjHShtM7Or_BYFBYT451v5RCGGiUwwBKz2MgFeNcww576GoCQ1Bru0dW6wRR_vElUsxMmSTuHxsT3CTTFkKCe46VDdwA8Gveji9Pf-UKr12sPbywy363ggmP6BmPzgBQd6m0P1CQEnAR_zTATE97Z7WoOfaiAxWLsBkeY4vmLTRH6INTb9mFtgCHplreHQR5W23dy21_eI5G6yYG0ui66uFVcJJGISeDHqXlnU0_0NsP7dmGwg2t7JDi2SvMRUOHH01brRMbWDFdsl2WIdw3wlAcFvEY6w&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/staging-loading-baby.fyi.svg)](https://aaaa.bot/staging-loading-baby.fyi)

Check again

staging-loading-baby.fyi Has IPv6

A (IPv4)	104.21.36.60 172.67.186.101
AAAA (IPv6)	2606:4700:3034::6815:243c 2606:4700:3034::ac43:ba65

www.staging-loading-baby.fyi Has IPv6

A (IPv4)	172.67.186.101 104.21.36.60
AAAA (IPv6)	2606:4700:3034::6815:243c 2606:4700:3034::ac43:ba65

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: staging-loading-baby.fyi
Measured 2026-11-02 00:30:34 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.36.60, 172.67.186.101
AAAA (IPv6): 2606:4700:3034::6815:243c, 2606:4700:3034::ac43:ba65
www AAAA:    2606:4700:3034::6815:243c, 2606:4700:3034::ac43:ba65

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: staging-loading-baby.fyi has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:243c: answers (TCP 443)
    2606:4700:3034::ac43:ba65: answers (TCP 443)
- www over IPv6: www.staging-loading-baby.fyi has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:243c: answers (TCP 443)
    2606:4700:3034::ac43:ba65: 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://staging-loading-baby.fyi/ via 2606:4700:3034::6815:243c -> HTTP 302, certificate: valid
    https://loading-baby.cloudflareaccess.com/cdn-cgi/access/login/staging-loading-baby.fyi?kid=463a2bc349d3ed306ee756833d50b26b6d8dcbfc9451ec6507b72187a5806ef8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.BaEDLMoyeBT6dAZCrd11YzvK-3fnqOQMhmGz2DGjRCj4KEZlWqKoOHw6LjHShtM7Or_BYFBYT451v5RCGGiUwwBKz2MgFeNcww576GoCQ1Bru0dW6wRR_vElUsxMmSTuHxsT3CTTFkKCe46VDdwA8Gveji9Pf-UKr12sPbywy363ggmP6BmPzgBQd6m0P1CQEnAR_zTATE97Z7WoOfaiAxWLsBkeY4vmLTRH6INTb9mFtgCHplreHQR5W23dy21_eI5G6yYG0ui66uFVcJJGISeDHqXlnU0_0NsP7dmGwg2t7JDi2SvMRUOHH01brRMbWDFdsl2WIdw3wlAcFvEY6w&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/9gtNmuIs6P

Permanent link: aaaa.bot/r/9gtNmuIs6P · How we measure

Checked 2026-11-02 00:30:34 UTC. Full DNS report: dns.pizza/domain/staging-loading-baby.fyi · JSON: /api/v1/staging-loading-baby.fyi