Yes — calendly-anthropic-meeting.com has IPv6.

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

This is a saved measurement from 2026-11-02 03:13 UTC. Check calendly-anthropic-meeting.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 calendly-anthropic-meeting.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:693 answers · 443✓ 2606:4700:3037::ac43:86e5 answers · 443	yes
www over IPv6 www.calendly-anthropic-meeting.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::ac43:86e5 answers · 443✓ 2606:4700:3032::6815:693 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. jaime.ns.cloudflare.com ✓jule.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 404.

https://calendly-anthropic-meeting.com/ via 2606:4700:3032::6815:693 → 404

works

Nothing keeping you from an A

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

Check again

calendly-anthropic-meeting.com Has IPv6

A (IPv4)	172.67.134.229 104.21.6.147
AAAA (IPv6)	2606:4700:3032::6815:693 2606:4700:3037::ac43:86e5

www.calendly-anthropic-meeting.com Has IPv6

A (IPv4)	104.21.6.147 172.67.134.229
AAAA (IPv6)	2606:4700:3037::ac43:86e5 2606:4700:3032::6815:693

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: calendly-anthropic-meeting.com
Measured 2026-11-02 03:13:09 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.134.229, 104.21.6.147
AAAA (IPv6): 2606:4700:3032::6815:693, 2606:4700:3037::ac43:86e5
www AAAA:    2606:4700:3037::ac43:86e5, 2606:4700:3032::6815:693

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: calendly-anthropic-meeting.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:693: answers (TCP 443)
    2606:4700:3037::ac43:86e5: answers (TCP 443)
- www over IPv6: www.calendly-anthropic-meeting.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::ac43:86e5: answers (TCP 443)
    2606:4700:3032::6815:693: 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 404.
    https://calendly-anthropic-meeting.com/ via 2606:4700:3032::6815:693 -> HTTP 404, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4JH7gZf34G

Permanent link: aaaa.bot/r/4JH7gZf34G · How we measure

Checked 2026-11-02 03:13:09 UTC. Full DNS report: dns.pizza/domain/calendly-anthropic-meeting.com · JSON: /api/v1/calendly-anthropic-meeting.com