Yes — envelop.click has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
envelop.click has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3030::ac43:afb7 answers · 443✓ 2606:4700:3035::6815:300e 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.
rodrigo.ns.cloudflare.com ✓venus.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.
https://envelop.click/ via 2606:4700:3030::ac43:afb7 → 403
works
 Load envelop.click 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/envelop.click.svg)](https://aaaa.bot/envelop.click)

Check again

envelop.click  Has IPv6

A (IPv4)172.67.175.183
104.21.48.14
AAAA (IPv6)2606:4700:3030::ac43:afb7
2606:4700:3035::6815:300e

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/Tk_cwxBOeg · How we measure

Checked 2026-11-03 22:48:20 UTC. Full DNS report: dns.pizza/domain/envelop.click · Age, certificate and blocklists: how.is/envelop.click · JSON: /api/v1/envelop.click