Yes — shop.app has IPv6.

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

This is a saved measurement from 2026-10-31 00:04 UTC. Check shop.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 shop.app has an AAAA record and answers on it. ✓ 2620:127:f00e:ff00:: answers · 443	yes
www over IPv6 www.shop.app has an AAAA record and answers on it. ✓ 2600:1901:0:595:: answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓	yes
Nameservers have IPv6 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. blue.foundationdns.com ✓blue.foundationdns.net ✓blue.foundationdns.org ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 429.

https://shop.app/ via 2620:127:f00e:ff00:: → 429

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/shop.app.svg)](https://aaaa.bot/shop.app)

Check again

shop.app Has IPv6

A (IPv4)	23.227.39.20
AAAA (IPv6)	2620:127:f00e:ff00::

www.shop.app Has IPv6

Alias of	apps-ds.tm.shopifysvc.com → apps-ds.cloudflare-edge.shopifycloud.com
A (IPv4)	23.227.39.20
AAAA (IPv6)	2600:1901:0:595::

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: shop.app
Measured 2026-10-31 00:04:32 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    23.227.39.20
AAAA (IPv6): 2620:127:f00e:ff00::
www AAAA:    2600:1901:0:595::

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: shop.app has an AAAA record and answers on it.
    2620:127:f00e:ff00::: answers (TCP 443)
- www over IPv6: www.shop.app has an AAAA record and answers on it.
    2600:1901:0:595::: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 3 of 3 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: HTTP 429.
    https://shop.app/ via 2620:127:f00e:ff00:: -> HTTP 429, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/zKff_dJR4R

Permanent link: aaaa.bot/r/zKff_dJR4R · How we measure

Checked 2026-10-31 00:04:32 UTC. Full DNS report: dns.pizza/domain/shop.app · JSON: /api/v1/shop.app