Yes — python.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 python.org has 4 IPv6 addresses and answers on every one we tested. ✓ 2a04:4e42:200::223 answers · 443✓ 2a04:4e42:400::223 answers · 443✓ 2a04:4e42::223 answers · 443✓ 2a04:4e42:600::223 answers · 443	yes
www over IPv6 www.python.org has 4 IPv6 addresses and answers on every one we tested. ✓ 2a04:4e42::223 answers · 443✓ 2a04:4e42:200::223 answers · 443✓ 2a04:4e42:400::223 answers · 443✓ 2a04:4e42:600::223 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mail.python.org ✓	yes
Nameservers have IPv6 4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ns-1134.awsdns-13.org ✓ns-2046.awsdns-63.co.uk ✓ns-484.awsdns-60.com ✓ns-981.awsdns-58.net ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://python.org/ via 2a04:4e42:200::223 → 301https://www.python.org/ via 2a04:4e42::223 → 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/python.org.svg)](https://aaaa.bot/python.org)

Check again

python.org Has IPv6

A (IPv4)	151.101.0.223 151.101.128.223 151.101.192.223 151.101.64.223
AAAA (IPv6)	2a04:4e42:200::223 2a04:4e42:400::223 2a04:4e42::223 2a04:4e42:600::223

www.python.org Has IPv6

Alias of	dualstack.python.map.fastly.net
A (IPv4)	151.101.128.223 151.101.192.223 151.101.0.223 151.101.64.223
AAAA (IPv6)	2a04:4e42::223 2a04:4e42:200::223 2a04:4e42:400::223 2a04:4e42:600::223

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: python.org
Measured 2026-10-31 03:04:33 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    151.101.0.223, 151.101.128.223, 151.101.192.223, 151.101.64.223
AAAA (IPv6): 2a04:4e42:200::223, 2a04:4e42:400::223, 2a04:4e42::223, 2a04:4e42:600::223
www AAAA:    2a04:4e42::223, 2a04:4e42:200::223, 2a04:4e42:400::223, 2a04:4e42:600::223

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: python.org has 4 IPv6 addresses and answers on every one we tested.
    2a04:4e42:200::223: answers (TCP 443)
    2a04:4e42:400::223: answers (TCP 443)
    2a04:4e42::223: answers (TCP 443)
    2a04:4e42:600::223: answers (TCP 443)
- www over IPv6: www.python.org has 4 IPv6 addresses and answers on every one we tested.
    2a04:4e42::223: answers (TCP 443)
    2a04:4e42:200::223: answers (TCP 443)
    2a04:4e42:400::223: answers (TCP 443)
    2a04:4e42:600::223: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 4 of 4 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 after 1 redirect: HTTP 200.
    https://python.org/ via 2a04:4e42:200::223 -> HTTP 301, certificate: valid
    https://www.python.org/ via 2a04:4e42::223 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/GM4-Ahfuod

Permanent link: aaaa.bot/r/GM4-Ahfuod · How we measure

Checked 2026-10-31 03:04:33 UTC — one of the top 1,000 sites, re-checked weekly. Re-check now. Full DNS report: dns.pizza/domain/python.org · JSON: /api/v1/python.org