Yes — capasim.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
capasim.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:2b74 answers · 443✓ 2606:4700:3031::ac43:b290 answers · 443
yes
www over IPv6
www.capasim.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3037::6815:2b74 answers · 443✓ 2606:4700:3031::ac43:b290 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.
art.ns.cloudflare.com ✓robin.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://capasim.com/ via 2606:4700:3037::6815:2b74 → 200
works
 Which outside scripts, fonts, payments or chat capasim.com loads from have no IPv6.
 Load capasim.com over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/capasim.com.svg)](https://aaaa.bot/capasim.com)

Check again

capasim.com  Has IPv6

A (IPv4)104.21.43.116
172.67.178.144
AAAA (IPv6)2606:4700:3037::6815:2b74
2606:4700:3031::ac43:b290

www.capasim.com  Has IPv6

A (IPv4)104.21.43.116
172.67.178.144
AAAA (IPv6)2606:4700:3037::6815:2b74
2606:4700:3031::ac43:b290

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

 Permanent link: aaaa.bot/r/DJ99iOg-eZ · How we measure

Checked 2026-11-08 23:43:07 UTC. Full DNS report: dns.pizza/domain/capasim.com · Age, certificate and blocklists: how.is/capasim.com · JSON: /api/v1/capasim.com