Yes — aptoptech.icu 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 aptoptech.icu has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:5b91:8326:ae6b:13c6:3556 answers · 443✓ 2a02:4780:84:d5e1:a61c:d615:5213:7ba4 answers · 443	yes
www over IPv6 www.aptoptech.icu has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:e959:1734:b960:26dc:843 answers · 443✓ 2a02:4780:84:b808:f52d:b90e:ce3d:c883 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mail.aptoptech.icu ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. dns1.hichina.com ✓dns2.hichina.com ✓	yes

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

https://aptoptech.icu/ via 2a02:4780:84:5b91:8326:ae6b:13c6:3556 · ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR

What's keeping aptoptech.icu from an A

Mail servers without IPv6
mail.aptoptech.icu 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

aptoptech.icu Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	212.1.212.245 191.96.144.38
AAAA (IPv6)	2a02:4780:84:5b91:8326:ae6b:13c6:3556 2a02:4780:84:d5e1:a61c:d615:5213:7ba4

www.aptoptech.icu Has IPv6

Alias of	connect.hostinger.com → connect.hstgr.net
A (IPv4)	2.57.91.12 84.32.84.161
AAAA (IPv6)	2a02:4780:84:e959:1734:b960:26dc:843 2a02:4780:84:b808:f52d:b90e:ce3d:c883

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: aptoptech.icu
Measured 2026-11-06 21:43:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    212.1.212.245, 191.96.144.38
AAAA (IPv6): 2a02:4780:84:5b91:8326:ae6b:13c6:3556, 2a02:4780:84:d5e1:a61c:d615:5213:7ba4
www AAAA:    2a02:4780:84:e959:1734:b960:26dc:843, 2a02:4780:84:b808:f52d:b90e:ce3d:c883

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: aptoptech.icu has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:5b91:8326:ae6b:13c6:3556: answers (TCP 443)
    2a02:4780:84:d5e1:a61c:d615:5213:7ba4: answers (TCP 443)
- www over IPv6: www.aptoptech.icu has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:e959:1734:b960:26dc:843: answers (TCP 443)
    2a02:4780:84:b808:f52d:b90e:ce3d:c883: 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): aptoptech.icu didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).
    https://aptoptech.icu/ via 2a02:4780:84:5b91:8326:ae6b:13c6:3556 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/KnV1ix3WfG

Permanent link: aaaa.bot/r/KnV1ix3WfG · How we measure

Checked 2026-11-06 21:43:39 UTC. Full DNS report: dns.pizza/domain/aptoptech.icu · Age, certificate and blocklists: how.is/aptoptech.icu · JSON: /api/v1/aptoptech.icu