Yes — stopcenter.online has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 stopcenter.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:829f:856c:ddda:265:97be answers · 443✓ 2a02:4780:84:e8f2:bcb5:6d55:bdd7:a4cf answers · 443	yes
www over IPv6 www.stopcenter.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:a3ad:8ff0:feaa:ef19:7276 answers · 443✓ 2a02:4780:84:f95e:b685:2133:fb55:5e08 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. lunar.dns-parking.com ✓solar.dns-parking.com ✓	yes

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

https://stopcenter.online/ via 2a02:4780:84:829f:856c:ddda:265:97be → 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/stopcenter.online.svg)](https://aaaa.bot/stopcenter.online)

Check again

stopcenter.online Has IPv6

A (IPv4)	84.32.84.231 2.57.91.217
AAAA (IPv6)	2a02:4780:84:829f:856c:ddda:265:97be 2a02:4780:84:e8f2:bcb5:6d55:bdd7:a4cf

www.stopcenter.online Has IPv6

Alias of	www.stopcenter.online.cdn.hstgr.net
A (IPv4)	84.32.84.115 2.57.91.187
AAAA (IPv6)	2a02:4780:84:a3ad:8ff0:feaa:ef19:7276 2a02:4780:84:f95e:b685:2133:fb55:5e08

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: stopcenter.online
Measured 2026-11-12 15:09:32 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.231, 2.57.91.217
AAAA (IPv6): 2a02:4780:84:829f:856c:ddda:265:97be, 2a02:4780:84:e8f2:bcb5:6d55:bdd7:a4cf
www AAAA:    2a02:4780:84:a3ad:8ff0:feaa:ef19:7276, 2a02:4780:84:f95e:b685:2133:fb55:5e08

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: stopcenter.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:829f:856c:ddda:265:97be: answers (TCP 443)
    2a02:4780:84:e8f2:bcb5:6d55:bdd7:a4cf: answers (TCP 443)
- www over IPv6: www.stopcenter.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:a3ad:8ff0:feaa:ef19:7276: answers (TCP 443)
    2a02:4780:84:f95e:b685:2133:fb55:5e08: 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://stopcenter.online/ via 2a02:4780:84:829f:856c:ddda:265:97be -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/waZhCWj6L3

Permanent link: aaaa.bot/r/waZhCWj6L3 · How we measure

Checked 2026-11-12 15:09:32 UTC. Full DNS report: dns.pizza/domain/stopcenter.online · Age, certificate and blocklists: how.is/stopcenter.online · JSON: /api/v1/stopcenter.online