Yes — solar-cal.online has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
solar-cal.online has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700:3034::ac43:de51 answers · 443✓ 2606:4700:3032::6815:1133 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.
crystal.ns.cloudflare.com ✓venkat.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.
https://solar-cal.online/ via 2606:4700:3034::ac43:de51 → 530
?
 Load solar-cal.online 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/solar-cal.online.svg)](https://aaaa.bot/solar-cal.online)

Check again

solar-cal.online  Has IPv6

A (IPv4)104.21.17.51
172.67.222.81
AAAA (IPv6)2606:4700:3034::ac43:de51
2606:4700:3032::6815:1133

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/DsarhPVjIC · How we measure

Checked 2026-10-31 00:28:08 UTC. Full DNS report: dns.pizza/domain/solar-cal.online · JSON: /api/v1/solar-cal.online