Yes — hltstudio.pro 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 hltstudio.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:a7e2 answers · 443✓ 2606:4700:3031::6815:d0d answers · 443	yes
www over IPv6 www.hltstudio.pro has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:a7e2 answers · 443✓ 2606:4700:3031::6815:d0d answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mx.zoho.eu ✗mx2.zoho.eu ✗mx3.zoho.eu ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. edward.ns.cloudflare.com ✓lauryn.ns.cloudflare.com ✓	yes

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

https://hltstudio.pro/ via 2606:4700:3033::ac43:a7e2 → 200

works

What's keeping hltstudio.pro from an A

Mail servers without IPv6
mx.zoho.eu, mx2.zoho.eu, mx3.zoho.eu have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

hltstudio.pro Has IPv6

A (IPv4)	104.21.13.13 172.67.167.226
AAAA (IPv6)	2606:4700:3033::ac43:a7e2 2606:4700:3031::6815:d0d

www.hltstudio.pro Has IPv6

A (IPv4)	172.67.167.226 104.21.13.13
AAAA (IPv6)	2606:4700:3033::ac43:a7e2 2606:4700:3031::6815:d0d

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: hltstudio.pro
Measured 2026-11-07 18:56:13 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.13.13, 172.67.167.226
AAAA (IPv6): 2606:4700:3033::ac43:a7e2, 2606:4700:3031::6815:d0d
www AAAA:    2606:4700:3033::ac43:a7e2, 2606:4700:3031::6815:d0d

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: hltstudio.pro has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:a7e2: answers (TCP 443)
    2606:4700:3031::6815:d0d: answers (TCP 443)
- www over IPv6: www.hltstudio.pro has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:a7e2: answers (TCP 443)
    2606:4700:3031::6815:d0d: 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): Loads over IPv6 with a valid certificate: HTTP 200.
    https://hltstudio.pro/ via 2606:4700:3033::ac43:a7e2 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/rkFoWFmEgO

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

Checked 2026-11-07 18:56:13 UTC. Full DNS report: dns.pizza/domain/hltstudio.pro · Age, certificate and blocklists: how.is/hltstudio.pro · JSON: /api/v1/hltstudio.pro