Yes — istpa.tech has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
istpa.tech has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3036::ac43:d2c8 answers · 443✓ 2606:4700:3030::6815:25ae answers · 443
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
cecelia.ns.cloudflare.com ✓noah.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 but ends on plain HTTP, not HTTPS after 1 redirect: HTTP 200.
https://istpa.tech/ via 2606:4700:3036::ac43:d2c8 → 302http://istpa.tech/Account/Login?ReturnUrl=%2F via 2606:4700:3036::ac43:d2c8 → 200
works
 Load istpa.tech over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/istpa.tech.svg)](https://aaaa.bot/istpa.tech)

Check again

istpa.tech  Has IPv6

A (IPv4)104.21.37.174
172.67.210.200
AAAA (IPv6)2606:4700:3036::ac43:d2c8
2606:4700:3030::6815:25ae

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/P2m88_HnY3 · How we measure

Checked 2026-11-01 04:25:00 UTC. Full DNS report: dns.pizza/domain/istpa.tech · JSON: /api/v1/istpa.tech