Yes — hotwin4d.org has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 hotwin4d.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3030::ac43:97aa answers · 443✓ 2606:4700:3034::6815:2880 answers · 443	yes
www over IPv6 www.hotwin4d.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:2880 answers · 443✓ 2606:4700:3030::ac43:97aa 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. ainsley.ns.cloudflare.com ✓bruce.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 5 redirects: HTTP 200.

https://hotwin4d.org/ via 2606:4700:3030::ac43:97aa → 301https://slot777.rocks/ via 2606:4700:3033::ac43:ca0c → 301https://situsslotgacor.zone/ via 2606:4700:3030::ac43:a08f → 301https://situsslot.lat/ via 2606:4700:3033::ac43:aaa3 → 301https://situs-gacor-slot88.com/ via 2606:4700:3030::6815:3746 → 301https://totoslot4d.site/mobile/login via 2606:4700:3032::6815:3653 → 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/hotwin4d.org.svg)](https://aaaa.bot/hotwin4d.org)

Check again

hotwin4d.org Has IPv6

A (IPv4)	104.21.40.128 172.67.151.170
AAAA (IPv6)	2606:4700:3030::ac43:97aa 2606:4700:3034::6815:2880

www.hotwin4d.org Has IPv6

A (IPv4)	104.21.40.128 172.67.151.170
AAAA (IPv6)	2606:4700:3034::6815:2880 2606:4700:3030::ac43:97aa

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: hotwin4d.org
Measured 2026-11-04 12:41:58 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.40.128, 172.67.151.170
AAAA (IPv6): 2606:4700:3030::ac43:97aa, 2606:4700:3034::6815:2880
www AAAA:    2606:4700:3034::6815:2880, 2606:4700:3030::ac43:97aa

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: hotwin4d.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3030::ac43:97aa: answers (TCP 443)
    2606:4700:3034::6815:2880: answers (TCP 443)
- www over IPv6: www.hotwin4d.org has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:2880: answers (TCP 443)
    2606:4700:3030::ac43:97aa: 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 5 redirects: HTTP 200.
    https://hotwin4d.org/ via 2606:4700:3030::ac43:97aa -> HTTP 301, certificate: valid
    https://slot777.rocks/ via 2606:4700:3033::ac43:ca0c -> HTTP 301, certificate: valid
    https://situsslotgacor.zone/ via 2606:4700:3030::ac43:a08f -> HTTP 301, certificate: valid
    https://situsslot.lat/ via 2606:4700:3033::ac43:aaa3 -> HTTP 301, certificate: valid
    https://situs-gacor-slot88.com/ via 2606:4700:3030::6815:3746 -> HTTP 301, certificate: valid
    https://totoslot4d.site/mobile/login via 2606:4700:3032::6815:3653 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/UgE0dzQb_V

Permanent link: aaaa.bot/r/UgE0dzQb_V · How we measure

Checked 2026-11-04 12:41:58 UTC. Full DNS report: dns.pizza/domain/hotwin4d.org · Age, certificate and blocklists: how.is/hotwin4d.org · JSON: /api/v1/hotwin4d.org