Yes — xinfuyitech.online 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 xinfuyitech.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:1fa8:15af:b036:bdcf:d86a answers · 443✓ 2a02:4780:84:87aa:a53d:ed77:3614:7c7a answers · 443	yes
www over IPv6 www.xinfuyitech.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:1274:66f5:9d68:b4c7:b0ff answers · 443✓ 2a02:4780:84:f93b:804:40a5:ba7f:9b44 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mail.xinfuyitech.online ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dns4.hichina.com ✓dns3.hichina.com ✓	yes

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

https://xinfuyitech.online/ via 2a02:4780:84:1fa8:15af:b036:bdcf:d86a · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR

What's keeping xinfuyitech.online from an A

Mail servers without IPv6
mail.xinfuyitech.online 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

xinfuyitech.online Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	195.35.60.67 212.1.212.240
AAAA (IPv6)	2a02:4780:84:1fa8:15af:b036:bdcf:d86a 2a02:4780:84:87aa:a53d:ed77:3614:7c7a

www.xinfuyitech.online Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	84.32.84.227 88.222.222.88
AAAA (IPv6)	2a02:4780:84:1274:66f5:9d68:b4c7:b0ff 2a02:4780:84:f93b:804:40a5:ba7f:9b44

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: xinfuyitech.online
Measured 2026-11-08 10:42:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    195.35.60.67, 212.1.212.240
AAAA (IPv6): 2a02:4780:84:1fa8:15af:b036:bdcf:d86a, 2a02:4780:84:87aa:a53d:ed77:3614:7c7a
www AAAA:    2a02:4780:84:1274:66f5:9d68:b4c7:b0ff, 2a02:4780:84:f93b:804:40a5:ba7f:9b44

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: xinfuyitech.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:1fa8:15af:b036:bdcf:d86a: answers (TCP 443)
    2a02:4780:84:87aa:a53d:ed77:3614:7c7a: answers (TCP 443)
- www over IPv6: www.xinfuyitech.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:1274:66f5:9d68:b4c7:b0ff: answers (TCP 443)
    2a02:4780:84:f93b:804:40a5:ba7f:9b44: 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): xinfuyitech.online didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
    https://xinfuyitech.online/ via 2a02:4780:84:1fa8:15af:b036:bdcf:d86a (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/pPpnY7pCnc

Permanent link: aaaa.bot/r/pPpnY7pCnc · How we measure

Checked 2026-11-08 10:42:07 UTC. Full DNS report: dns.pizza/domain/xinfuyitech.online · Age, certificate and blocklists: how.is/xinfuyitech.online · JSON: /api/v1/xinfuyitech.online