Yes — r04o3.top has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 r04o3.top has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:530f answers · 443✓ 2606:4700:3033::ac43:a6c7 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. garret.ns.cloudflare.com ✓sandra.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://r04o3.top/ via 2606:4700:3037::6815:530f → 302https://www.google.com/ via 2001:4860:4826:7700:: → 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/r04o3.top.svg)](https://aaaa.bot/r04o3.top)

Check again

r04o3.top Has IPv6

A (IPv4)	172.67.166.199 104.21.83.15
AAAA (IPv6)	2606:4700:3037::6815:530f 2606:4700:3033::ac43:a6c7

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: r04o3.top
Measured 2026-11-03 01:11:07 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.166.199, 104.21.83.15
AAAA (IPv6): 2606:4700:3037::6815:530f, 2606:4700:3033::ac43:a6c7

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: r04o3.top has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:530f: answers (TCP 443)
    2606:4700:3033::ac43:a6c7: 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://r04o3.top/ via 2606:4700:3037::6815:530f -> HTTP 302, certificate: valid
    https://www.google.com/ via 2001:4860:4826:7700:: -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/3Kw3R7wexL

Permanent link: aaaa.bot/r/3Kw3R7wexL · How we measure

Checked 2026-11-03 01:11:07 UTC. Full DNS report: dns.pizza/domain/r04o3.top · Age, certificate and blocklists: how.is/r04o3.top · JSON: /api/v1/r04o3.top