Yes — elastic.co has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
elastic.co has an AAAA record and answers on it.
✓ 2600:1901:0:1f6d:: answers · 443
yes
www over IPv6
www.elastic.co has 4 IPv6 addresses and answers on every one we tested.
✓ 2a04:4e42::644 answers · 443✓ 2a04:4e42:200::644 answers · 443✓ 2a04:4e42:400::644 answers · 443✓ 2a04:4e42:600::644 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓
yes
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns-1168.awsdns-18.org ✓ns-1737.awsdns-25.co.uk ✓ns-339.awsdns-42.com ✓ns-785.awsdns-34.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://elastic.co/ via 2600:1901:0:1f6d:: → 301https://www.elastic.co/ via 2a04:4e42::644 → 200
works
 Load elastic.co 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/elastic.co.svg)](https://aaaa.bot/elastic.co)

Check again

elastic.co  Has IPv6

A (IPv4)34.107.161.234
AAAA (IPv6)2600:1901:0:1f6d::

www.elastic.co  Has IPv6

Alias ofdualstack.j.sni.global.fastly.net
A (IPv4)151.101.2.132
151.101.66.132
151.101.130.132
151.101.194.132
AAAA (IPv6)2a04:4e42::644
2a04:4e42:200::644
2a04:4e42:400::644
2a04:4e42:600::644

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/cBD-tKmkfN · How we measure

Checked 2026-11-01 18:24:41 UTC. Full DNS report: dns.pizza/domain/elastic.co · JSON: /api/v1/elastic.co