Yes — kou6wu.top has IPv6.

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

This is a saved measurement from 2026-11-04 00:25 UTC. Check kou6wu.top live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 kou6wu.top has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:bbdf answers · 443✓ 2606:4700:3030::6815:40d3 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. lou.ns.cloudflare.com ✓pearl.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://kou6wu.top/ via 2606:4700:3030::ac43:bbdf → 302https://www.google.com/ via 2001:4860:482b:7700:: → 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/kou6wu.top.svg)](https://aaaa.bot/kou6wu.top)

Check again

kou6wu.top Has IPv6

A (IPv4)	104.21.64.211 172.67.187.223
AAAA (IPv6)	2606:4700:3030::ac43:bbdf 2606:4700:3030::6815:40d3

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: kou6wu.top
Measured 2026-11-04 00:25:29 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.64.211, 172.67.187.223
AAAA (IPv6): 2606:4700:3030::ac43:bbdf, 2606:4700:3030::6815:40d3

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: kou6wu.top has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:bbdf: answers (TCP 443)
    2606:4700:3030::6815:40d3: 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://kou6wu.top/ via 2606:4700:3030::ac43:bbdf -> HTTP 302, certificate: valid
    https://www.google.com/ via 2001:4860:482b:7700:: -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/6Tvg8DAc55

Permanent link: aaaa.bot/r/6Tvg8DAc55 · How we measure

Checked 2026-11-04 00:25:29 UTC. Full DNS report: dns.pizza/domain/kou6wu.top · Age, certificate and blocklists: how.is/kou6wu.top · JSON: /api/v1/kou6wu.top