Yes — huahuitech.cyou has IPv6.

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

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 huahuitech.cyou has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:cb40:27da:8104:d402:8e24 answers · 443✓ 2a02:4780:84:1df0:5dc9:9ffa:cd29:d8b4 answers · 443	yes
www over IPv6 www.huahuitech.cyou has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:4d9:fe0f:9524:53d9:c5d4 answers · 443✓ 2a02:4780:84:11ca:a32d:6912:1a03:7397 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mail.huahuitech.cyou ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dns2.hichina.com ✓dns1.hichina.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
huahuitech.cyou didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).

https://huahuitech.cyou/ via 2a02:4780:84:cb40:27da:8104:d402:8e24 · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR

What's keeping huahuitech.cyou from an A

Mail servers without IPv6
mail.huahuitech.cyou has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

huahuitech.cyou Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	2.57.91.98 88.222.222.58
AAAA (IPv6)	2a02:4780:84:cb40:27da:8104:d402:8e24 2a02:4780:84:1df0:5dc9:9ffa:cd29:d8b4

www.huahuitech.cyou Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	2.57.91.153 88.222.222.118
AAAA (IPv6)	2a02:4780:84:4d9:fe0f:9524:53d9:c5d4 2a02:4780:84:11ca:a32d:6912:1a03:7397

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: huahuitech.cyou
Measured 2026-11-07 19:56:45 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.98, 88.222.222.58
AAAA (IPv6): 2a02:4780:84:cb40:27da:8104:d402:8e24, 2a02:4780:84:1df0:5dc9:9ffa:cd29:d8b4
www AAAA:    2a02:4780:84:4d9:fe0f:9524:53d9:c5d4, 2a02:4780:84:11ca:a32d:6912:1a03:7397

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: huahuitech.cyou has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:cb40:27da:8104:d402:8e24: answers (TCP 443)
    2a02:4780:84:1df0:5dc9:9ffa:cd29:d8b4: answers (TCP 443)
- www over IPv6: www.huahuitech.cyou has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:4d9:fe0f:9524:53d9:c5d4: answers (TCP 443)
    2a02:4780:84:11ca:a32d:6912:1a03:7397: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers 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): huahuitech.cyou didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
    https://huahuitech.cyou/ via 2a02:4780:84:cb40:27da:8104:d402:8e24 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/om2LukGe78

Permanent link: aaaa.bot/r/om2LukGe78 · How we measure

Checked 2026-11-07 19:56:45 UTC. Full DNS report: dns.pizza/domain/huahuitech.cyou · Age, certificate and blocklists: how.is/huahuitech.cyou · JSON: /api/v1/huahuitech.cyou