Yes — masonadvisoryinbox.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 masonadvisoryinbox.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:dd32 answers · 443✓ 2606:4700:3033::6815:2381 answers · 443	yes
www over IPv6 www.masonadvisoryinbox.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:2381 answers · 443✓ 2606:4700:3033::ac43:dd32 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. smtp.google.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. haley.ns.cloudflare.com ✓jaziel.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 403.

https://masonadvisoryinbox.com/ via 2606:4700:3033::ac43:dd32 → 403

works

Nothing keeping you from an A

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

Check again

masonadvisoryinbox.com Has IPv6

A (IPv4)	104.21.35.129 172.67.221.50
AAAA (IPv6)	2606:4700:3033::ac43:dd32 2606:4700:3033::6815:2381

www.masonadvisoryinbox.com Has IPv6

A (IPv4)	172.67.221.50 104.21.35.129
AAAA (IPv6)	2606:4700:3033::6815:2381 2606:4700:3033::ac43:dd32

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: masonadvisoryinbox.com
Measured 2026-11-10 03:03:02 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.35.129, 172.67.221.50
AAAA (IPv6): 2606:4700:3033::ac43:dd32, 2606:4700:3033::6815:2381
www AAAA:    2606:4700:3033::6815:2381, 2606:4700:3033::ac43:dd32

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: masonadvisoryinbox.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:dd32: answers (TCP 443)
    2606:4700:3033::6815:2381: answers (TCP 443)
- www over IPv6: www.masonadvisoryinbox.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:2381: answers (TCP 443)
    2606:4700:3033::ac43:dd32: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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 403.
    https://masonadvisoryinbox.com/ via 2606:4700:3033::ac43:dd32 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/wei-QfqfuL

Permanent link: aaaa.bot/r/wei-QfqfuL · How we measure

Checked 2026-11-10 03:03:02 UTC. Full DNS report: dns.pizza/domain/masonadvisoryinbox.com · Age, certificate and blocklists: how.is/masonadvisoryinbox.com · JSON: /api/v1/masonadvisoryinbox.com