Yes — omadshow11.courses has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 omadshow11.courses has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:cd7f answers · 443✓ 2606:4700:3030::6815:169b answers · 443	yes
www over IPv6 www.omadshow11.courses has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:169b answers · 443✓ 2606:4700:3035::ac43:cd7f 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. mckenzie.ns.cloudflare.com ✓wilson.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
omadshow11.courses didn't complete an HTTPS request over IPv6 (timed out).

https://omadshow11.courses/ via 2606:4700:3035::ac43:cd7f · timed out

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/omadshow11.courses.svg)](https://aaaa.bot/omadshow11.courses)

Check again

omadshow11.courses Has IPv6

A (IPv4)	104.21.22.155 172.67.205.127
AAAA (IPv6)	2606:4700:3035::ac43:cd7f 2606:4700:3030::6815:169b

www.omadshow11.courses Has IPv6

A (IPv4)	172.67.205.127 104.21.22.155
AAAA (IPv6)	2606:4700:3030::6815:169b 2606:4700:3035::ac43:cd7f

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: omadshow11.courses
Measured 2026-11-02 08:08:50 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.22.155, 172.67.205.127
AAAA (IPv6): 2606:4700:3035::ac43:cd7f, 2606:4700:3030::6815:169b
www AAAA:    2606:4700:3030::6815:169b, 2606:4700:3035::ac43:cd7f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: omadshow11.courses has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:cd7f: answers (TCP 443)
    2606:4700:3030::6815:169b: answers (TCP 443)
- www over IPv6: www.omadshow11.courses has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:169b: answers (TCP 443)
    2606:4700:3035::ac43:cd7f: 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): omadshow11.courses didn't complete an HTTPS request over IPv6 (timed out).
    https://omadshow11.courses/ via 2606:4700:3035::ac43:cd7f, certificate: valid (timed out)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/LRaoGMh-pq

Permanent link: aaaa.bot/r/LRaoGMh-pq · How we measure

Checked 2026-11-02 08:08:50 UTC. Full DNS report: dns.pizza/domain/omadshow11.courses · JSON: /api/v1/omadshow11.courses