Yes — account.weightwatchers.ca has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
account.weightwatchers.ca has 4 IPv6 addresses and answers on every one we tested.
✓ 2a04:4e42::611 answers · 443✓ 2a04:4e42:200::611 answers · 443✓ 2a04:4e42:400::611 answers · 443✓ 2a04:4e42:600::611 answers · 443
yes
Mail servers (MX) have IPv6
No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.		yes
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns-135.awsdns-16.com ✓ns-1466.awsdns-55.org ✓ns-1967.awsdns-53.co.uk ✓ns-951.awsdns-54.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 4 redirects: HTTP 200.
https://account.weightwatchers.ca/ via 2a04:4e42::611 → 307https://cmx.weightwatchers.ca/login?redirect_uri=https%3A%2F%2Faccount.weightwatchers.ca%2F via 2600:9000:2305:6600:15:ade3:c0c0:93a1 → 302https://auth.weightwatchers.ca/openam/oauth2/authorize?response_type=id_token&client_id=webCMX&scope=openid%20session&redirect_uri=https://cmx.weightwatchers.ca/auth&nonce=1573dc99d31effaf939414021180cf80&state=https%3A%2F%2Faccount.weightwatchers.ca%2F via 2600:9000:24f3:a000:14:bd60:d640:93a1 → 302https://auth.weightwatchers.ca/v2/login?goto=https%3A%2F%2Fauth.weightwatchers.ca%2Fopenam%2Foauth2%2Fauthorize%3Fresponse_type%3Did_token%26client_id%3DwebCMX%26scope%3Dopenid%2520session%26redirect_uri%3Dhttps%3A%2F%2Fcmx.weightwatchers.ca%2Fauth%26nonce%3D1573dc99d31effaf939414021180cf80%26state%3Dhttps%3A%2F%2Faccount.weightwatchers.ca%2F via 2600:9000:24f3:a000:14:bd60:d640:93a1 → 302https://auth.weightwatchers.ca/v2/login/?goto=https%3A%2F%2Fauth.weightwatchers.ca%2Fopenam%2Foauth2%2Fauthorize%3Fresponse_type%3Did_token%26client_id%3DwebCMX%26scope%3Dopenid%2520session%26redirect_uri%3Dhttps%3A%2F%2Fcmx.weightwatchers.ca%2Fauth%26nonce%3D1573dc99d31effaf939414021180cf80%26state%3Dhttps%3A%2F%2Faccount.weightwatchers.ca%2F via 2600:9000:24f3:a000:14:bd60:d640:93a1 → 200
works
 Which outside scripts, fonts, payments or chat account.weightwatchers.ca loads from have no IPv6.
 Load account.weightwatchers.ca 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/account.weightwatchers.ca.svg)](https://aaaa.bot/account.weightwatchers.ca)

Check again

account.weightwatchers.ca  Has IPv6

Alias ofdualstack.weightwatchers.map.fastly.net
A (IPv4)151.101.2.99
151.101.66.99
151.101.130.99
151.101.194.99
AAAA (IPv6)2a04:4e42::611
2a04:4e42:200::611
2a04:4e42:400::611
2a04:4e42:600::611

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/TC6V0NyMWH · How we measure

Checked 2026-11-15 19:14:49 UTC. Full DNS report: dns.pizza/domain/account.weightwatchers.ca · Age, certificate and blocklists: how.is/account.weightwatchers.ca · JSON: /api/v1/account.weightwatchers.ca