Yes — europa.eu has IPv6.

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

This is a saved measurement from 2026-10-31 00:06 UTC. Check europa.eu live now

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 europa.eu has 2 IPv6 addresses and answers on every one we tested. ✓ 2a01:7080:24:100::666:45 answers · 443✓ 2a01:7080:14:100::666:45 answers · 443	yes
www over IPv6 www.europa.eu has 2 IPv6 addresses and answers on every one we tested. ✓ 2a01:7080:24:100::666:25 answers · 443✓ 2a01:7080:14:100::666:25 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. mxa-00244802.gslb.pphosted.com ✗mxb-00244802.gslb.pphosted.com ✗	no
Nameservers have IPv6 4 of 10 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. ans1.cw.net ✗ans2.cw.net ✗ns1bru.europa.eu ✗ns1lux.europa.eu ✗ns2bru.europa.eu ✗ns2lux.europa.eu ✗ns3bru.europa.eu ✓ns3lux.europa.eu ✓ns4az1.europa.eu ✓ns4az2.europa.eu ✓	yes

HTTPS over IPv6 · not part of the grade yet
Redirects to european-union.europa.eu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.

https://europa.eu/ via 2a01:7080:24:100::666:45 → 301https://european-union.europa.eu/select-language?destination=/node/1 · redirects to european-union.europa.eu, which has no IPv6 address

problem

What's keeping europa.eu from an A

A redirect leads off IPv6
Redirects to european-union.europa.eu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all. Give the redirect target IPv6 too, or redirect somewhere that has it.
Mail servers without IPv6
mxa-00244802.gslb.pphosted.com, mxb-00244802.gslb.pphosted.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

europa.eu Has IPv6

A (IPv4)	147.67.210.45 147.67.34.45
AAAA (IPv6)	2a01:7080:24:100::666:45 2a01:7080:14:100::666:45

www.europa.eu Has IPv6

Alias of	ip-europa.ec.europa.eu
A (IPv4)	147.67.210.25 147.67.34.25
AAAA (IPv6)	2a01:7080:24:100::666:25 2a01:7080:14:100::666:25

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: europa.eu
Measured 2026-10-31 00:06:17 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    147.67.210.45, 147.67.34.45
AAAA (IPv6): 2a01:7080:24:100::666:45, 2a01:7080:14:100::666:45
www AAAA:    2a01:7080:24:100::666:25, 2a01:7080:14:100::666:25

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: europa.eu has 2 IPv6 addresses and answers on every one we tested.
    2a01:7080:24:100::666:45: answers (TCP 443)
    2a01:7080:14:100::666:45: answers (TCP 443)
- www over IPv6: www.europa.eu has 2 IPv6 addresses and answers on every one we tested.
    2a01:7080:24:100::666:25: answers (TCP 443)
    2a01:7080:14:100::666:25: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers has an AAAA record.
- Nameservers have IPv6: 4 of 10 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): Redirects to european-union.europa.eu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
    https://europa.eu/ via 2a01:7080:24:100::666:45 -> HTTP 301, certificate: valid
    https://european-union.europa.eu/select-language?destination=/node/1 (redirects to european-union.europa.eu, which has no IPv6 address)
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/MsmjjaOTIi

Permanent link: aaaa.bot/r/MsmjjaOTIi · How we measure

Checked 2026-10-31 00:06:17 UTC. Full DNS report: dns.pizza/domain/europa.eu · JSON: /api/v1/europa.eu