Yes — c9athleticsco.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 c9athleticsco.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:e347:4eeb:e54f:aa0e:dea2 answers · 443✓ 2a02:4780:84:6405:8858:e574:f58a:5bb0 answers · 443	yes
www over IPv6 www.c9athleticsco.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:15cd:1f18:5278:3b78:3a1b answers · 443✓ 2a02:4780:84:d854:a36f:331f:49a0:b176 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. atlas.dns-parking.com ✓hyperion.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://c9athleticsco.com/ via 2a02:4780:84:e347:4eeb:e54f:aa0e:dea2 → 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/c9athleticsco.com.svg)](https://aaaa.bot/c9athleticsco.com)

Check again

c9athleticsco.com Has IPv6

A (IPv4)	88.222.222.109 2.57.91.62
AAAA (IPv6)	2a02:4780:84:e347:4eeb:e54f:aa0e:dea2 2a02:4780:84:6405:8858:e574:f58a:5bb0

www.c9athleticsco.com Has IPv6

Alias of	www.c9athleticsco.com.cdn.hstgr.net
A (IPv4)	191.96.144.26 191.101.104.13
AAAA (IPv6)	2a02:4780:84:15cd:1f18:5278:3b78:3a1b 2a02:4780:84:d854:a36f:331f:49a0:b176

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: c9athleticsco.com
Measured 2026-11-13 16:56:21 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.109, 2.57.91.62
AAAA (IPv6): 2a02:4780:84:e347:4eeb:e54f:aa0e:dea2, 2a02:4780:84:6405:8858:e574:f58a:5bb0
www AAAA:    2a02:4780:84:15cd:1f18:5278:3b78:3a1b, 2a02:4780:84:d854:a36f:331f:49a0:b176

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: c9athleticsco.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:e347:4eeb:e54f:aa0e:dea2: answers (TCP 443)
    2a02:4780:84:6405:8858:e574:f58a:5bb0: answers (TCP 443)
- www over IPv6: www.c9athleticsco.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:15cd:1f18:5278:3b78:3a1b: answers (TCP 443)
    2a02:4780:84:d854:a36f:331f:49a0:b176: 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: HTTP 200.
    https://c9athleticsco.com/ via 2a02:4780:84:e347:4eeb:e54f:aa0e:dea2 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/EA6uGxHjOo

Permanent link: aaaa.bot/r/EA6uGxHjOo · How we measure

Checked 2026-11-13 16:56:21 UTC. Full DNS report: dns.pizza/domain/c9athleticsco.com · Age, certificate and blocklists: how.is/c9athleticsco.com · JSON: /api/v1/c9athleticsco.com