Yes — 3kingtracking.app has IPv6.

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

Measured 2026-11-10 21:37 UTC. We reuse a result for up to a week, so we aren't testing the same site over and over. Check 3kingtracking.app now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 3kingtracking.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::6815:2a43 answers · 443✓ 2606:4700:3032::ac43:9e7b answers · 443	yes
www over IPv6 www.3kingtracking.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:9e7b answers · 443✓ 2606:4700:3036::6815:2a43 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. amit.ns.cloudflare.com ✓meiling.ns.cloudflare.com ✓	yes

First measured 2026-11-10; last confirmed 2026-11-10.

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

https://3kingtracking.app/ via 2606:4700:3036::6815:2a43 → 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/3kingtracking.app.svg)](https://aaaa.bot/3kingtracking.app)

Check again

3kingtracking.app Has IPv6

A (IPv4)	104.21.42.67 172.67.158.123
AAAA (IPv6)	2606:4700:3036::6815:2a43 2606:4700:3032::ac43:9e7b

www.3kingtracking.app Has IPv6

A (IPv4)	104.21.42.67 172.67.158.123
AAAA (IPv6)	2606:4700:3032::ac43:9e7b 2606:4700:3036::6815:2a43

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: 3kingtracking.app
Measured 2026-11-10 21:37:00 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.42.67, 172.67.158.123
AAAA (IPv6): 2606:4700:3036::6815:2a43, 2606:4700:3032::ac43:9e7b
www AAAA:    2606:4700:3032::ac43:9e7b, 2606:4700:3036::6815:2a43

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: 3kingtracking.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::6815:2a43: answers (TCP 443)
    2606:4700:3032::ac43:9e7b: answers (TCP 443)
- www over IPv6: www.3kingtracking.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:9e7b: answers (TCP 443)
    2606:4700:3036::6815:2a43: 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: HTTP 200.
    https://3kingtracking.app/ via 2606:4700:3036::6815:2a43 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/lAzYZ3tjf_

Permanent link: aaaa.bot/r/lAzYZ3tjf_ · How we measure

Checked 2026-11-10 21:37:00 UTC. Full DNS report: dns.pizza/domain/3kingtracking.app · Age, certificate and blocklists: how.is/3kingtracking.app · JSON: /api/v1/3kingtracking.app