Yes — auonline.site has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 auonline.site has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:2d4b answers · 443✓ 2606:4700:3037::ac43:d338 answers · 443	yes
www over IPv6 www.auonline.site has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:2d4b answers · 443✓ 2606:4700:3037::ac43:d338 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. kami.ns.cloudflare.com ✓lars.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to www.shopify.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://auonline.site/ via 2606:4700:3037::6815:2d4b → 302https://www.shopify.com/ · redirects to www.shopify.com, which has no IPv6 address

problem

Nothing keeping you from an A

A redirect leads off IPv6
Redirects to www.shopify.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.

Check again

auonline.site Has IPv6

A (IPv4)	172.67.211.56 104.21.45.75
AAAA (IPv6)	2606:4700:3037::6815:2d4b 2606:4700:3037::ac43:d338

www.auonline.site Has IPv6

A (IPv4)	104.21.45.75 172.67.211.56
AAAA (IPv6)	2606:4700:3037::6815:2d4b 2606:4700:3037::ac43:d338

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: auonline.site
Measured 2026-11-09 03:47:15 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.211.56, 104.21.45.75
AAAA (IPv6): 2606:4700:3037::6815:2d4b, 2606:4700:3037::ac43:d338
www AAAA:    2606:4700:3037::6815:2d4b, 2606:4700:3037::ac43:d338

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: auonline.site has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:2d4b: answers (TCP 443)
    2606:4700:3037::ac43:d338: answers (TCP 443)
- www over IPv6: www.auonline.site has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:2d4b: answers (TCP 443)
    2606:4700:3037::ac43:d338: 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): Redirects to www.shopify.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://auonline.site/ via 2606:4700:3037::6815:2d4b -> HTTP 302, certificate: valid
    https://www.shopify.com/ (redirects to www.shopify.com, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/wja0ps70lb

Permanent link: aaaa.bot/r/wja0ps70lb · How we measure

Checked 2026-11-09 03:47:15 UTC. Full DNS report: dns.pizza/domain/auonline.site · Age, certificate and blocklists: how.is/auonline.site · JSON: /api/v1/auonline.site