Yes — it4cpa.site has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 it4cpa.site has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:c019 answers · 443✓ 2606:4700:3037::6815:5c72 answers · 443	yes
www over IPv6 www.it4cpa.site has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:c019 answers · 443✓ 2606:4700:3037::6815:5c72 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. dion.ns.cloudflare.com ✓kay.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.

https://it4cpa.site/ via 2606:4700:3033::ac43:c019 → 301https://kodertroop.com/solutions/it-solutions-for-cpa-firms/ via 2606:4700:3030::6815:1e9a → 308https://kodertroop.com/solutions/it-solutions-for-cpa-firms via 2606:4700:3030::6815:1e9a → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/it4cpa.site.svg)](https://aaaa.bot/it4cpa.site)

Check again

it4cpa.site Has IPv6

A (IPv4)	104.21.92.114 172.67.192.25
AAAA (IPv6)	2606:4700:3033::ac43:c019 2606:4700:3037::6815:5c72

www.it4cpa.site Has IPv6

A (IPv4)	104.21.92.114 172.67.192.25
AAAA (IPv6)	2606:4700:3033::ac43:c019 2606:4700:3037::6815:5c72

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: it4cpa.site
Measured 2026-11-07 19:57:09 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.92.114, 172.67.192.25
AAAA (IPv6): 2606:4700:3033::ac43:c019, 2606:4700:3037::6815:5c72
www AAAA:    2606:4700:3033::ac43:c019, 2606:4700:3037::6815:5c72

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: it4cpa.site has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:c019: answers (TCP 443)
    2606:4700:3037::6815:5c72: answers (TCP 443)
- www over IPv6: www.it4cpa.site has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:c019: answers (TCP 443)
    2606:4700:3037::6815:5c72: 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 after 2 redirects: HTTP 200.
    https://it4cpa.site/ via 2606:4700:3033::ac43:c019 -> HTTP 301, certificate: valid
    https://kodertroop.com/solutions/it-solutions-for-cpa-firms/ via 2606:4700:3030::6815:1e9a -> HTTP 308, certificate: valid
    https://kodertroop.com/solutions/it-solutions-for-cpa-firms via 2606:4700:3030::6815:1e9a -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/ETnsOisrBi

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

Checked 2026-11-07 19:57:09 UTC. Full DNS report: dns.pizza/domain/it4cpa.site · Age, certificate and blocklists: how.is/it4cpa.site · JSON: /api/v1/it4cpa.site