Yes — iva1.dev has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: www doesn't fully work over IPv6.
Website over IPv6
iva1.dev has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::6815:2654 answers · 443✓ 2606:4700:3034::ac43:dcc6 answers · 443
yes
www over IPv6
www.iva1.dev has no AAAA record.
no
Mail servers (MX) have IPv6
Null MX — this domain says it doesn't receive mail.
n/a
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
will.ns.cloudflare.com ✓elisa.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://iva1.dev/ via 2606:4700:3030::6815:2654 → 403
works
 Which outside scripts, fonts, payments or chat iva1.dev loads from have no IPv6.
 Load iva1.dev over IPv6 from up to six other places — a second opinion.

What's keeping iva1.dev from an A

  1. Add IPv6 for www.iva1.dev
    www.iva1.dev has no AAAA record. Get www's IPv6 address from whoever hosts www and add it as an AAAA record. If the same server already serves both names (and its certificate covers www), you can reuse iva1.dev's AAAA record(s) for www. How to add an AAAA record

Check again

iva1.dev  Has IPv6

A (IPv4)104.21.38.84
172.67.220.198
AAAA (IPv6)2606:4700:3030::6815:2654
2606:4700:3034::ac43:dcc6

www.iva1.dev  No address

A (IPv4)none
AAAA (IPv6)none

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

 Permanent link: aaaa.bot/r/-fF99-Ttw9 · How we measure

Checked 2026-11-05 21:57:59 UTC. Full DNS report: dns.pizza/domain/iva1.dev · Age, certificate and blocklists: how.is/iva1.dev · JSON: /api/v1/iva1.dev