Yes — readiching.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 readiching.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:8a32 answers · 443✓ 2606:4700:3037::6815:366b answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. route3.mx.cloudflare.net ✓route2.mx.cloudflare.net ✓route1.mx.cloudflare.net ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. harmony.ns.cloudflare.com ✓mcgrory.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://readiching.com/ via 2606:4700:3037::ac43:8a32 → 302https://still-water-c0ca.cloudflareaccess.com/cdn-cgi/access/login/readiching.com?kid=925748ef59c00c7e5fc6722d11a357d0520cf2709dedd8fda756b3af6c31d975&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.e2V9EoYjyDuqfUto2PU3xQY4jW4vLHXOR1meoCAKAdkw4mRLOsS95N3nxeeSEJFJb31V3k8EUOdYqNp6s0NqjOX4b1Xf4R0kfZYEvuGFkQrO2pUsgBdrlaHntXoHrtT1mEz4GruIcNeKWRzpxoTFddLxMtG1NKV7zGiqEhCann0zHsErheZYSbtReZbXG7W4Yhoqo-rbNqIwXm-RliorF3_CqEi_uJb_Cd9L9-aK2hbNO1o72i-aIaFjjO7Cttsoj8tO31D3mdcgIm2g93Ct4kGOOwoRisvpq-tOFibUj63WMmy8m0Yw_qhKW8UavpgGwMuQ8ZFAC_EX84Lq8ZibaA&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/readiching.com.svg)](https://aaaa.bot/readiching.com)

Check again

readiching.com Has IPv6

A (IPv4)	172.67.138.50 104.21.54.107
AAAA (IPv6)	2606:4700:3037::ac43:8a32 2606:4700:3037::6815:366b

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: readiching.com
Measured 2026-11-06 07:33:28 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.138.50, 104.21.54.107
AAAA (IPv6): 2606:4700:3037::ac43:8a32, 2606:4700:3037::6815:366b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: readiching.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:8a32: answers (TCP 443)
    2606:4700:3037::6815:366b: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://readiching.com/ via 2606:4700:3037::ac43:8a32 -> HTTP 302, certificate: valid
    https://still-water-c0ca.cloudflareaccess.com/cdn-cgi/access/login/readiching.com?kid=925748ef59c00c7e5fc6722d11a357d0520cf2709dedd8fda756b3af6c31d975&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.e2V9EoYjyDuqfUto2PU3xQY4jW4vLHXOR1meoCAKAdkw4mRLOsS95N3nxeeSEJFJb31V3k8EUOdYqNp6s0NqjOX4b1Xf4R0kfZYEvuGFkQrO2pUsgBdrlaHntXoHrtT1mEz4GruIcNeKWRzpxoTFddLxMtG1NKV7zGiqEhCann0zHsErheZYSbtReZbXG7W4Yhoqo-rbNqIwXm-RliorF3_CqEi_uJb_Cd9L9-aK2hbNO1o72i-aIaFjjO7Cttsoj8tO31D3mdcgIm2g93Ct4kGOOwoRisvpq-tOFibUj63WMmy8m0Yw_qhKW8UavpgGwMuQ8ZFAC_EX84Lq8ZibaA&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/eWpLyS5rXL

Permanent link: aaaa.bot/r/eWpLyS5rXL · How we measure

Checked 2026-11-06 07:33:28 UTC. Full DNS report: dns.pizza/domain/readiching.com · Age, certificate and blocklists: how.is/readiching.com · JSON: /api/v1/readiching.com