Yes — email.sonobi.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
email.sonobi.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:2c40::c73c:6702 answers · 443✓ 2606:2c40::c73c:67fe 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
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dns1.p01.nsone.net ✓dns2.p01.nsone.net ✓dns3.p01.nsone.net ✓dns4.p01.nsone.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 404.
https://email.sonobi.com/ via 2606:2c40::c73c:6702 → 404
works
 Load email.sonobi.com 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/email.sonobi.com.svg)](https://aaaa.bot/email.sonobi.com)

Check again

email.sonobi.com  Has IPv6

Alias of4768971.group21.sites.hubspot.net → group21.sites.hscoscdn20.net
A (IPv4)199.60.103.2
199.60.103.254
AAAA (IPv6)2606:2c40::c73c:6702
2606:2c40::c73c:67fe

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/jTIPAFUMVY · How we measure

Checked 2026-11-01 20:24:14 UTC. Full DNS report: dns.pizza/domain/email.sonobi.com · JSON: /api/v1/email.sonobi.com