Yes — tracker.sarl has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 tracker.sarl has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::6815:3ae6 answers · 443✓ 2606:4700:3031::ac43:a5d9 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 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. heather.ns.cloudflare.com ✓ram.ns.cloudflare.com ✓	yes

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

https://tracker.sarl/ via 2606:4700:3030::6815:3ae6 → 302https://hgrm-track.cloudflareaccess.com/cdn-cgi/access/login/tracker.sarl?kid=7aa339b11757a4cd035f09e7ff9f60a32d456fd1cf394b732f3342ddc5c6abcb&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.DR9n1vztiNw9dYxbHsgQjwA35QLC-raDcFRVBfocy5lWRNrG1PnSzjtYLfpB1DlzqQJDnaSJmxXRTunSwARme6VgsVGed-f1nlyZU1-Q9t0odcFhZFE9PpR3jMssDMdyx30DcOkXAE98Jnt9nTUDG70ohVYAAR0Zj_Ig8ISnKg2Wxd_ZbDstGX8u0uJl08fN572NuFH78ewBIvm8Ta8lrMtiWwKRrg5HS5rto2zTBfYvzaXnWBttO3T1qOmotqYLaKZdNXmWzb6mZwn9z8FOvdIarwihveCqy0DyCyCjUyAv1SjEUGB-zQ1oSVjzgZMIjE9_XRekX_-pNLVJ9yApjw&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/tracker.sarl.svg)](https://aaaa.bot/tracker.sarl)

Check again

tracker.sarl Has IPv6

A (IPv4)	104.21.58.230 172.67.165.217
AAAA (IPv6)	2606:4700:3030::6815:3ae6 2606:4700:3031::ac43:a5d9

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: tracker.sarl
Measured 2026-11-08 02:40:59 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.58.230, 172.67.165.217
AAAA (IPv6): 2606:4700:3030::6815:3ae6, 2606:4700:3031::ac43:a5d9

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: tracker.sarl has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::6815:3ae6: answers (TCP 443)
    2606:4700:3031::ac43:a5d9: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 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://tracker.sarl/ via 2606:4700:3030::6815:3ae6 -> HTTP 302, certificate: valid
    https://hgrm-track.cloudflareaccess.com/cdn-cgi/access/login/tracker.sarl?kid=7aa339b11757a4cd035f09e7ff9f60a32d456fd1cf394b732f3342ddc5c6abcb&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ijg2OGFmMjMzMzMwYTk2ZmFjNTUzMTBhMmQyN2E2MmQ1ZWM1YWY5Zjg3ZDBhOTg5OTNhMzk0MjZlMDg1NGI2NzcifQ.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.DR9n1vztiNw9dYxbHsgQjwA35QLC-raDcFRVBfocy5lWRNrG1PnSzjtYLfpB1DlzqQJDnaSJmxXRTunSwARme6VgsVGed-f1nlyZU1-Q9t0odcFhZFE9PpR3jMssDMdyx30DcOkXAE98Jnt9nTUDG70ohVYAAR0Zj_Ig8ISnKg2Wxd_ZbDstGX8u0uJl08fN572NuFH78ewBIvm8Ta8lrMtiWwKRrg5HS5rto2zTBfYvzaXnWBttO3T1qOmotqYLaKZdNXmWzb6mZwn9z8FOvdIarwihveCqy0DyCyCjUyAv1SjEUGB-zQ1oSVjzgZMIjE9_XRekX_-pNLVJ9yApjw&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/kX7uaWKkVt

Permanent link: aaaa.bot/r/kX7uaWKkVt · How we measure

Checked 2026-11-08 02:40:59 UTC. Full DNS report: dns.pizza/domain/tracker.sarl · Age, certificate and blocklists: how.is/tracker.sarl · JSON: /api/v1/tracker.sarl