Yes — invite-tracking.sbs has IPv6.

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

This is a saved measurement from 2026-11-09 14:43 UTC. Check invite-tracking.sbs live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 invite-tracking.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:9020 answers · 443✓ 2606:4700:3031::6815:579a 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. huxley.ns.cloudflare.com ✓ligia.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://invite-tracking.sbs/ via 2606:4700:3030::ac43:9020 → 302https://gatr.co/p/gwf5rvn via 2606:4700:3037::ac43:a34f → 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/invite-tracking.sbs.svg)](https://aaaa.bot/invite-tracking.sbs)

Check again

invite-tracking.sbs Has IPv6

A (IPv4)	104.21.87.154 172.67.144.32
AAAA (IPv6)	2606:4700:3030::ac43:9020 2606:4700:3031::6815:579a

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: invite-tracking.sbs
Measured 2026-11-09 14:43:03 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.87.154, 172.67.144.32
AAAA (IPv6): 2606:4700:3030::ac43:9020, 2606:4700:3031::6815:579a

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: invite-tracking.sbs has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:9020: answers (TCP 443)
    2606:4700:3031::6815:579a: 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://invite-tracking.sbs/ via 2606:4700:3030::ac43:9020 -> HTTP 302, certificate: valid
    https://gatr.co/p/gwf5rvn via 2606:4700:3037::ac43:a34f -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/wU5GdtyCZe

Permanent link: aaaa.bot/r/wU5GdtyCZe · How we measure

Checked 2026-11-09 14:43:03 UTC. Full DNS report: dns.pizza/domain/invite-tracking.sbs · Age, certificate and blocklists: how.is/invite-tracking.sbs · JSON: /api/v1/invite-tracking.sbs