Yes — usebarclaysimpsonbase.com has IPv6.

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

This is a saved measurement from 2026-10-30 16:11 UTC. Check usebarclaysimpsonbase.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 usebarclaysimpsonbase.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:4a8e answers · 443✓ 2606:4700:3037::ac43:9efc answers · 443	yes
www over IPv6 www.usebarclaysimpsonbase.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3037::6815:4a8e answers · 443✓ 2606:4700:3037::ac43:9efc answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. fonzie.ns.cloudflare.com ✓jill.ns.cloudflare.com ✓	yes

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

https://usebarclaysimpsonbase.com/ via 2606:4700:3037::6815:4a8e → 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/usebarclaysimpsonbase.com.svg)](https://aaaa.bot/usebarclaysimpsonbase.com)

Check again

usebarclaysimpsonbase.com Has IPv6

A (IPv4)	104.21.74.142 172.67.158.252
AAAA (IPv6)	2606:4700:3037::6815:4a8e 2606:4700:3037::ac43:9efc

www.usebarclaysimpsonbase.com Has IPv6

A (IPv4)	104.21.74.142 172.67.158.252
AAAA (IPv6)	2606:4700:3037::6815:4a8e 2606:4700:3037::ac43:9efc

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: usebarclaysimpsonbase.com
Measured 2026-10-30 16:11:12 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.74.142, 172.67.158.252
AAAA (IPv6): 2606:4700:3037::6815:4a8e, 2606:4700:3037::ac43:9efc
www AAAA:    2606:4700:3037::6815:4a8e, 2606:4700:3037::ac43:9efc

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: usebarclaysimpsonbase.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:4a8e: answers (TCP 443)
    2606:4700:3037::ac43:9efc: answers (TCP 443)
- www over IPv6: www.usebarclaysimpsonbase.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3037::6815:4a8e: answers (TCP 443)
    2606:4700:3037::ac43:9efc: 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 404.
    https://usebarclaysimpsonbase.com/ via 2606:4700:3037::6815:4a8e -> HTTP 404, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/qAlE-KcAtO

Permanent link: aaaa.bot/r/qAlE-KcAtO · How we measure

Checked 2026-10-30 16:11:12 UTC. Full DNS report: dns.pizza/domain/usebarclaysimpsonbase.com · JSON: /api/v1/usebarclaysimpsonbase.com