Yes — portal.strava.com has IPv6.

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

This is a saved measurement from 2026-11-01 13:42 UTC. Check portal.strava.com live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
portal.strava.com has 4 IPv6 addresses and answers on every one we tested.
✓ 2606:50c0:8000::153 answers · 443✓ 2606:50c0:8001::153 answers · 443✓ 2606:50c0:8002::153 answers · 443✓ 2606:50c0:8003::153 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-145.awsdns-18.com ✓ns-1461.awsdns-54.org ✓ns-1806.awsdns-33.co.uk ✓ns-610.awsdns-12.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Redirects to github.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.
https://portal.strava.com/ via 2606:50c0:8000::153 → 302https://github.com/pages/auth?nonce=c29e0ce6-7fb6-4bcb-9b75-c9a45fece186&page_id=73263905&path=Lw · redirects to github.com, which has no IPv6 address
problem

Nothing keeping you from an A

  1. A redirect leads off IPv6
    Redirects to github.com, 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.

Check again

portal.strava.com  Has IPv6

Alias ofstrava.github.io
A (IPv4)185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153
AAAA (IPv6)2606:50c0:8000::153
2606:50c0:8001::153
2606:50c0:8002::153
2606:50c0:8003::153

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/pBYnndRrPa · How we measure

Checked 2026-11-01 13:42:36 UTC. Full DNS report: dns.pizza/domain/portal.strava.com · JSON: /api/v1/portal.strava.com