Yes — fitzonexbd.com has IPv6.

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

IPv6 readiness

Works over IPv6, with one gap: its mail servers lack IPv6.

Website over IPv6 fitzonexbd.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:d0f9 answers · 443✓ 2606:4700:3031::6815:458a answers · 443	yes
www over IPv6 www.fitzonexbd.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3031::6815:458a answers · 443✓ 2606:4700:3035::ac43:d0f9 answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. _dc-mx.be8f019c55e9.fitzonexbd.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. armfazh.ns.cloudflare.com ✓nancy.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://fitzonexbd.com/ via 2606:4700:3035::ac43:d0f9 → 301https://www.fitzonexbd.com/ via 2606:4700:3031::6815:458a → 200

works

What's keeping fitzonexbd.com from an A

Mail servers without IPv6
_dc-mx.be8f019c55e9.fitzonexbd.com has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

fitzonexbd.com Has IPv6

A (IPv4)	172.67.208.249 104.21.69.138
AAAA (IPv6)	2606:4700:3035::ac43:d0f9 2606:4700:3031::6815:458a

www.fitzonexbd.com Has IPv6

A (IPv4)	104.21.69.138 172.67.208.249
AAAA (IPv6)	2606:4700:3031::6815:458a 2606:4700:3035::ac43:d0f9

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: fitzonexbd.com
Measured 2026-11-08 19:29:16 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.208.249, 104.21.69.138
AAAA (IPv6): 2606:4700:3035::ac43:d0f9, 2606:4700:3031::6815:458a
www AAAA:    2606:4700:3031::6815:458a, 2606:4700:3035::ac43:d0f9

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: fitzonexbd.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:d0f9: answers (TCP 443)
    2606:4700:3031::6815:458a: answers (TCP 443)
- www over IPv6: www.fitzonexbd.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3031::6815:458a: answers (TCP 443)
    2606:4700:3035::ac43:d0f9: answers (TCP 443)
- Mail servers (MX) have IPv6: None of the mail servers 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 1 redirect: HTTP 200.
    https://fitzonexbd.com/ via 2606:4700:3035::ac43:d0f9 -> HTTP 301, certificate: valid
    https://www.fitzonexbd.com/ via 2606:4700:3031::6815:458a -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/4b22K7f1Hx

Permanent link: aaaa.bot/r/4b22K7f1Hx · How we measure

Checked 2026-11-08 19:29:16 UTC. Full DNS report: dns.pizza/domain/fitzonexbd.com · Age, certificate and blocklists: how.is/fitzonexbd.com · JSON: /api/v1/fitzonexbd.com