Yes — autotrader.co.uk has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
autotrader.co.uk has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6810:c95e answers · 443✓ 2606:4700::6812:b950 answers · 443
yes
www over IPv6
www.autotrader.co.uk has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6810:c95e answers · 443✓ 2606:4700::6812:b950 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
autotrader-co-uk.mail.protection.outlook.com ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ernest.ns.cloudflare.com ✓jessica.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.
https://autotrader.co.uk/ via 2606:4700::6810:c95e → 301https://www.autotrader.co.uk/ via 2606:4700::6810:c95e → 403
works
 Load autotrader.co.uk 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/autotrader.co.uk.svg)](https://aaaa.bot/autotrader.co.uk)

Check again

autotrader.co.uk  Has IPv6

A (IPv4)104.16.201.94
104.18.185.80
AAAA (IPv6)2606:4700::6810:c95e
2606:4700::6812:b950

www.autotrader.co.uk  Has IPv6

Alias ofprod.at1.p.autotrader.co.uk
A (IPv4)104.18.185.80
104.16.201.94
AAAA (IPv6)2606:4700::6810:c95e
2606:4700::6812:b950

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/d6dG2H1_oO · How we measure

Checked 2026-11-02 05:59:22 UTC. Full DNS report: dns.pizza/domain/autotrader.co.uk · JSON: /api/v1/autotrader.co.uk