Yes — 057info.hr has IPv6.

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

Measured 2026-11-04 21:54 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check 057info.hr now

IPv6 readiness

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

Website over IPv6 057info.hr has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::681a:a86 answers · 443✓ 2606:4700:20::ac43:4620 answers · 443✓ 2606:4700:20::681a:b86 answers · 443	yes
www over IPv6 www.057info.hr has 3 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:20::681a:a86 answers · 443✓ 2606:4700:20::681a:b86 answers · 443✓ 2606:4700:20::ac43:4620 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mare.ultra.hr ✗g33.ultra.hr ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. chad.ns.cloudflare.com ✓demi.ns.cloudflare.com ✓	yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.

https://057info.hr/ via 2606:4700:20::681a:a86 → 403

works

What's keeping 057info.hr from an A

Mail servers without IPv6
mare.ultra.hr, g33.ultra.hr 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

057info.hr Has IPv6

A (IPv4)	104.26.10.134 172.67.70.32 104.26.11.134
AAAA (IPv6)	2606:4700:20::681a:a86 2606:4700:20::ac43:4620 2606:4700:20::681a:b86

www.057info.hr Has IPv6

A (IPv4)	104.26.10.134 172.67.70.32 104.26.11.134
AAAA (IPv6)	2606:4700:20::681a:a86 2606:4700:20::681a:b86 2606:4700:20::ac43:4620

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: 057info.hr
Measured 2026-11-04 21:54:17 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.26.10.134, 172.67.70.32, 104.26.11.134
AAAA (IPv6): 2606:4700:20::681a:a86, 2606:4700:20::ac43:4620, 2606:4700:20::681a:b86
www AAAA:    2606:4700:20::681a:a86, 2606:4700:20::681a:b86, 2606:4700:20::ac43:4620

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: 057info.hr has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::681a:a86: answers (TCP 443)
    2606:4700:20::ac43:4620: answers (TCP 443)
    2606:4700:20::681a:b86: answers (TCP 443)
- www over IPv6: www.057info.hr has 3 IPv6 addresses and answers on every one we tested.
    2606:4700:20::681a:a86: answers (TCP 443)
    2606:4700:20::681a:b86: answers (TCP 443)
    2606:4700:20::ac43:4620: 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 403.
    https://057info.hr/ via 2606:4700:20::681a:a86 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4igz42FkHS

Permanent link: aaaa.bot/r/4igz42FkHS · How we measure

Checked 2026-11-04 21:54:17 UTC. Full DNS report: dns.pizza/domain/057info.hr · Age, certificate and blocklists: how.is/057info.hr · JSON: /api/v1/057info.hr