Yes — secretset.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 secretset.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:87c1 answers · 443✓ 2606:4700:3035::6815:731 answers · 443	yes
www over IPv6 www.secretset.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::6815:731 answers · 443✓ 2606:4700:3033::ac43:87c1 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. mariah.ns.cloudflare.com ✓sri.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://secretset.app/ via 2606:4700:3033::ac43:87c1 → 302https://digitalstate.cloudflareaccess.com/cdn-cgi/access/login/secretset.app?kid=8217e1fb432de5b4c15baf3fe3d63f4171579eb960dc6221bf79950ca920cc1e&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQyNjM1NDllNDZkODdmNzRjNDZhZjk1ZmRiYjU0YTJkNjJlMjc2ODhiYzczM2FlNDVhOWYwZGYxOTBmZTFjNTQifQ.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.FWgxeL7IjJH85Fg08SuAHHmzV10r-WQ9ppau9csTsIDQLZMzplqQb29iiWVAuSfCq7qjSiUj8BwlYjRyo3RVpgPA6I-XJXk9L79ARitWta07SB7EGgbleA7Fg62X17nAPQSeOfofvA4q1PyUooODD8rRC1zrglGVAK1CzWjO6BNDVRwzlmjWVomDl2iRm4gRcyvZOvg9fSbRgfUaM4S05zaG9gRXWLxEnk14_X8khkk0Gos4lbFQ_H6lrK-s11dBNAsP9JqeSeBD_dcfqPeR-bhx3YrQZbkJ7nTM3pNN-Tf8P_Vaf_HDf_qrBsj01fY2kfQxeBGBS-GMDeUMdzqYkA&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/secretset.app.svg)](https://aaaa.bot/secretset.app)

Check again

secretset.app Has IPv6

A (IPv4)	104.21.7.49 172.67.135.193
AAAA (IPv6)	2606:4700:3033::ac43:87c1 2606:4700:3035::6815:731

www.secretset.app Has IPv6

A (IPv4)	104.21.7.49 172.67.135.193
AAAA (IPv6)	2606:4700:3035::6815:731 2606:4700:3033::ac43:87c1

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: secretset.app
Measured 2026-11-04 10:48:54 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.7.49, 172.67.135.193
AAAA (IPv6): 2606:4700:3033::ac43:87c1, 2606:4700:3035::6815:731
www AAAA:    2606:4700:3035::6815:731, 2606:4700:3033::ac43:87c1

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: secretset.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:87c1: answers (TCP 443)
    2606:4700:3035::6815:731: answers (TCP 443)
- www over IPv6: www.secretset.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::6815:731: answers (TCP 443)
    2606:4700:3033::ac43:87c1: 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://secretset.app/ via 2606:4700:3033::ac43:87c1 -> HTTP 302, certificate: valid
    https://digitalstate.cloudflareaccess.com/cdn-cgi/access/login/secretset.app?kid=8217e1fb432de5b4c15baf3fe3d63f4171579eb960dc6221bf79950ca920cc1e&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjQyNjM1NDllNDZkODdmNzRjNDZhZjk1ZmRiYjU0YTJkNjJlMjc2ODhiYzczM2FlNDVhOWYwZGYxOTBmZTFjNTQifQ.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.FWgxeL7IjJH85Fg08SuAHHmzV10r-WQ9ppau9csTsIDQLZMzplqQb29iiWVAuSfCq7qjSiUj8BwlYjRyo3RVpgPA6I-XJXk9L79ARitWta07SB7EGgbleA7Fg62X17nAPQSeOfofvA4q1PyUooODD8rRC1zrglGVAK1CzWjO6BNDVRwzlmjWVomDl2iRm4gRcyvZOvg9fSbRgfUaM4S05zaG9gRXWLxEnk14_X8khkk0Gos4lbFQ_H6lrK-s11dBNAsP9JqeSeBD_dcfqPeR-bhx3YrQZbkJ7nTM3pNN-Tf8P_Vaf_HDf_qrBsj01fY2kfQxeBGBS-GMDeUMdzqYkA&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/Gvpb3D9MxM

Permanent link: aaaa.bot/r/Gvpb3D9MxM · How we measure

Checked 2026-11-04 10:48:54 UTC. Full DNS report: dns.pizza/domain/secretset.app · Age, certificate and blocklists: how.is/secretset.app · JSON: /api/v1/secretset.app