Yes — xn--s3co1c5e.online has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 xn--s3co1c5e.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:f128:a500:c068:e844:594b answers · 443✓ 2a02:4780:84:a312:3fb5:b326:7701:8d7d answers · 443	yes
www over IPv6 www.xn--s3co1c5e.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:d02a:da23:9a85:3335:dca1 answers · 443✓ 2a02:4780:84:7fae:e673:cfab:c16d:895f 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. hermes.dns-parking.com ✓artemis.dns-parking.com ✓	yes

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

https://xn--s3co1c5e.online/ via 2a02:4780:84:f128:a500:c068:e844:594b → 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/xn--s3co1c5e.online.svg)](https://aaaa.bot/xn--s3co1c5e.online)

Check again

xn--s3co1c5e.online Has IPv6

A (IPv4)	88.222.222.236 84.32.84.193
AAAA (IPv6)	2a02:4780:84:f128:a500:c068:e844:594b 2a02:4780:84:a312:3fb5:b326:7701:8d7d

www.xn--s3co1c5e.online Has IPv6

Alias of	www.xn--s3co1c5e.online.cdn.hstgr.net
A (IPv4)	191.101.104.110 212.1.212.12
AAAA (IPv6)	2a02:4780:84:d02a:da23:9a85:3335:dca1 2a02:4780:84:7fae:e673:cfab:c16d:895f

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: xn--s3co1c5e.online
Measured 2026-11-03 18:45:39 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.236, 84.32.84.193
AAAA (IPv6): 2a02:4780:84:f128:a500:c068:e844:594b, 2a02:4780:84:a312:3fb5:b326:7701:8d7d
www AAAA:    2a02:4780:84:d02a:da23:9a85:3335:dca1, 2a02:4780:84:7fae:e673:cfab:c16d:895f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: xn--s3co1c5e.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:f128:a500:c068:e844:594b: answers (TCP 443)
    2a02:4780:84:a312:3fb5:b326:7701:8d7d: answers (TCP 443)
- www over IPv6: www.xn--s3co1c5e.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:d02a:da23:9a85:3335:dca1: answers (TCP 443)
    2a02:4780:84:7fae:e673:cfab:c16d:895f: 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://xn--s3co1c5e.online/ via 2a02:4780:84:f128:a500:c068:e844:594b -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/9XPSw_jxWg

Permanent link: aaaa.bot/r/9XPSw_jxWg · How we measure

Checked 2026-11-03 18:45:39 UTC. Full DNS report: dns.pizza/domain/xn--s3co1c5e.online · Age, certificate and blocklists: how.is/xn--s3co1c5e.online · JSON: /api/v1/xn--s3co1c5e.online