Yes — uat-stapay.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 uat-stapay.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:3e53 answers · 443✓ 2606:4700:3035::ac43:dddf answers · 443	yes
www over IPv6 www.uat-stapay.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:3e53 answers · 443✓ 2606:4700:3035::ac43:dddf answers · 443	yes
Mail servers (MX) have IPv6 Null MX — this domain says it doesn't receive mail.	n/a
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ignacio.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://uat-stapay.com/ via 2606:4700:3036::6815:3e53 → 302https://stainternational.cloudflareaccess.com/cdn-cgi/access/login/uat-stapay.com?kid=ffcc7a4a1cf1f37fb9c1969744d81c6ea44e2d84e0cada2d491ccf701eaafcb8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjA4MTAyMjgyMTc4MzU4MWI4MjI5MjllMzYzYTIxYzE3MzJlM2M2ZDUyNzFiYjJkYzIzN2YxYjFjODFjOWFmNjcifQ.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.jqvJ6v5d3RwAq0ZB0CqTNl_cj8G3nOHbmGZ1ASiXMm3DEqEYcVs9ojmGTY_bDkHUEQioq78qwGdZcrCBv2_k_2_Mgo3awR3bkB6MEKVDueTy7FsRLp7H89jiodBDwYfIy2e-QfIPSbqvviHwqpE82_kqsLmcw5lABvf34QRhhTNHoyW_XEGIoxefirYrEij5h6hkNV9UcJiDsDzF4yAeBKNjLspnN78l0862pVfQNjAh9V3aTlYm6CNqRvU85JMKvhn0pttj8n38XmqvvZgjBYJZj5cAF5n8EdCr8ubYkqIVL_2BblA26x49wgX9crDSN1L80qrWSZqDFk-GM6olBw&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/uat-stapay.com.svg)](https://aaaa.bot/uat-stapay.com)

Check again

uat-stapay.com Has IPv6

A (IPv4)	104.21.62.83 172.67.221.223
AAAA (IPv6)	2606:4700:3036::6815:3e53 2606:4700:3035::ac43:dddf

www.uat-stapay.com Has IPv6

A (IPv4)	104.21.62.83 172.67.221.223
AAAA (IPv6)	2606:4700:3036::6815:3e53 2606:4700:3035::ac43:dddf

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: uat-stapay.com
Measured 2026-11-12 15:32:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.62.83, 172.67.221.223
AAAA (IPv6): 2606:4700:3036::6815:3e53, 2606:4700:3035::ac43:dddf
www AAAA:    2606:4700:3036::6815:3e53, 2606:4700:3035::ac43:dddf

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: uat-stapay.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:3e53: answers (TCP 443)
    2606:4700:3035::ac43:dddf: answers (TCP 443)
- www over IPv6: www.uat-stapay.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:3e53: answers (TCP 443)
    2606:4700:3035::ac43:dddf: answers (TCP 443)
- Mail servers (MX) have IPv6: Null MX — this domain says it doesn't receive mail.
- 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://uat-stapay.com/ via 2606:4700:3036::6815:3e53 -> HTTP 302, certificate: valid
    https://stainternational.cloudflareaccess.com/cdn-cgi/access/login/uat-stapay.com?kid=ffcc7a4a1cf1f37fb9c1969744d81c6ea44e2d84e0cada2d491ccf701eaafcb8&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjA4MTAyMjgyMTc4MzU4MWI4MjI5MjllMzYzYTIxYzE3MzJlM2M2ZDUyNzFiYjJkYzIzN2YxYjFjODFjOWFmNjcifQ.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.jqvJ6v5d3RwAq0ZB0CqTNl_cj8G3nOHbmGZ1ASiXMm3DEqEYcVs9ojmGTY_bDkHUEQioq78qwGdZcrCBv2_k_2_Mgo3awR3bkB6MEKVDueTy7FsRLp7H89jiodBDwYfIy2e-QfIPSbqvviHwqpE82_kqsLmcw5lABvf34QRhhTNHoyW_XEGIoxefirYrEij5h6hkNV9UcJiDsDzF4yAeBKNjLspnN78l0862pVfQNjAh9V3aTlYm6CNqRvU85JMKvhn0pttj8n38XmqvvZgjBYJZj5cAF5n8EdCr8ubYkqIVL_2BblA26x49wgX9crDSN1L80qrWSZqDFk-GM6olBw&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/sdYjRZ6wBR

Permanent link: aaaa.bot/r/sdYjRZ6wBR · How we measure

Checked 2026-11-12 15:32:07 UTC. Full DNS report: dns.pizza/domain/uat-stapay.com · Age, certificate and blocklists: how.is/uat-stapay.com · JSON: /api/v1/uat-stapay.com