Yes — zust4track.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 zust4track.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:930:3169:84e8:ac0e:9891 answers · 443✓ 2a02:4780:84:c8a6:c0a5:5b62:2fc1:4866 answers · 443	yes
www over IPv6 www.zust4track.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:4c:e91:be51:efca:bb02:f9f5 answers · 443✓ 2a02:4780:4d:bf2e:d5f0:b932:d9f3:101c answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx1.hostinger.com ✓mx2.hostinger.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. athena.dns-parking.com ✓apollo.dns-parking.com ✓	yes

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

https://zust4track.org/ via 2a02:4780:84:930:3169:84e8:ac0e:9891 → 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/zust4track.org.svg)](https://aaaa.bot/zust4track.org)

Check again

zust4track.org Has IPv6

A (IPv4)	88.222.222.85 84.32.84.172
AAAA (IPv6)	2a02:4780:84:930:3169:84e8:ac0e:9891 2a02:4780:84:c8a6:c0a5:5b62:2fc1:4866

www.zust4track.org Has IPv6

Alias of	www.zust4track.org.cdn.hstgr.net
A (IPv4)	88.223.87.76 145.223.124.202
AAAA (IPv6)	2a02:4780:4c:e91:be51:efca:bb02:f9f5 2a02:4780:4d:bf2e:d5f0:b932:d9f3:101c

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: zust4track.org
Measured 2026-10-31 05:35:49 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.85, 84.32.84.172
AAAA (IPv6): 2a02:4780:84:930:3169:84e8:ac0e:9891, 2a02:4780:84:c8a6:c0a5:5b62:2fc1:4866
www AAAA:    2a02:4780:4c:e91:be51:efca:bb02:f9f5, 2a02:4780:4d:bf2e:d5f0:b932:d9f3:101c

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: zust4track.org has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:930:3169:84e8:ac0e:9891: answers (TCP 443)
    2a02:4780:84:c8a6:c0a5:5b62:2fc1:4866: answers (TCP 443)
- www over IPv6: www.zust4track.org has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:4c:e91:be51:efca:bb02:f9f5: answers (TCP 443)
    2a02:4780:4d:bf2e:d5f0:b932:d9f3:101c: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://zust4track.org/ via 2a02:4780:84:930:3169:84e8:ac0e:9891 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/v1q0D4rks1

Permanent link: aaaa.bot/r/v1q0D4rks1 · How we measure

Checked 2026-10-31 05:35:49 UTC. Full DNS report: dns.pizza/domain/zust4track.org · JSON: /api/v1/zust4track.org