Yes — drawdown.org has IPv6.

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

Measured 2026-11-04 12:52 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check drawdown.org now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 drawdown.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2620:12a:8000::4 answers · 443✓ 2620:12a:8001::4 answers · 443	yes
www over IPv6 www.drawdown.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2620:12a:8001::4 answers · 443✓ 2620:12a:8000::4 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. alt4.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓aspmx.l.google.com ✓	yes
Nameservers have IPv6 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns1.tigertech.net ✓ns3.tigertech.org ✓ns2.tigertech.biz ✓	yes

First measured 2026-11-04; last confirmed 2026-11-04.

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://drawdown.org/ via 2620:12a:8000::4 → 200

works

Nothing keeping you from an A

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

Check again

drawdown.org Has IPv6

A (IPv4)	23.185.0.4
AAAA (IPv6)	2620:12a:8000::4 2620:12a:8001::4

www.drawdown.org Has IPv6

A (IPv4)	23.185.0.4
AAAA (IPv6)	2620:12a:8001::4 2620:12a:8000::4

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

IPv6 measurement: drawdown.org
Measured 2026-11-04 12:52:38 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    23.185.0.4
AAAA (IPv6): 2620:12a:8000::4, 2620:12a:8001::4
www AAAA:    2620:12a:8001::4, 2620:12a:8000::4

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: drawdown.org has 2 IPv6 addresses and answers on every one we tested.
    2620:12a:8000::4: answers (TCP 443)
    2620:12a:8001::4: answers (TCP 443)
- www over IPv6: www.drawdown.org has 2 IPv6 addresses and answers on every one we tested.
    2620:12a:8001::4: answers (TCP 443)
    2620:12a:8000::4: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate: HTTP 200.
    https://drawdown.org/ via 2620:12a:8000::4 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/t_Fro-wKMM

Permanent link: aaaa.bot/r/t_Fro-wKMM · How we measure

Checked 2026-11-04 12:52:38 UTC. Full DNS report: dns.pizza/domain/drawdown.org · Age, certificate and blocklists: how.is/drawdown.org · JSON: /api/v1/drawdown.org