Yes — csbwebhost.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 csbwebhost.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:8d31:86ea:9205:f5b1:2e60 answers · 443✓ 2a02:4780:84:bb50:e9ec:4237:d03a:aa33 answers · 443	yes
www over IPv6 www.csbwebhost.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:695c:62df:92f7:3f1d:d5cb answers · 443✓ 2a02:4780:84:ee4:51ed:dcf1:5810:5b0a answers · 443	yes
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record. us1-smtp.messagingengine.com ✗us2-smtp.messagingengine.com ✗	no
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. pixel.dns-parking.com ✓byte.dns-parking.com ✓	yes

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

https://csbwebhost.com/ via 2a02:4780:84:8d31:86ea:9205:f5b1:2e60 → 200

works

What's keeping csbwebhost.com from an A

Mail servers without IPv6
us1-smtp.messagingengine.com, us2-smtp.messagingengine.com have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

csbwebhost.com Has IPv6

A (IPv4)	2.57.91.156 84.32.84.162
AAAA (IPv6)	2a02:4780:84:8d31:86ea:9205:f5b1:2e60 2a02:4780:84:bb50:e9ec:4237:d03a:aa33

www.csbwebhost.com Has IPv6

Alias of	www.csbwebhost.com.cdn.hstgr.net
A (IPv4)	88.222.222.166 84.32.84.74
AAAA (IPv6)	2a02:4780:84:695c:62df:92f7:3f1d:d5cb 2a02:4780:84:ee4:51ed:dcf1:5810:5b0a

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: csbwebhost.com
Measured 2026-10-31 13:43:06 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.156, 84.32.84.162
AAAA (IPv6): 2a02:4780:84:8d31:86ea:9205:f5b1:2e60, 2a02:4780:84:bb50:e9ec:4237:d03a:aa33
www AAAA:    2a02:4780:84:695c:62df:92f7:3f1d:d5cb, 2a02:4780:84:ee4:51ed:dcf1:5810:5b0a

Readiness grade B: Works over IPv6, with one gap: its mail servers lack IPv6.
- Website over IPv6: csbwebhost.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:8d31:86ea:9205:f5b1:2e60: answers (TCP 443)
    2a02:4780:84:bb50:e9ec:4237:d03a:aa33: answers (TCP 443)
- www over IPv6: www.csbwebhost.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:695c:62df:92f7:3f1d:d5cb: answers (TCP 443)
    2a02:4780:84:ee4:51ed:dcf1:5810:5b0a: 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: HTTP 200.
    https://csbwebhost.com/ via 2a02:4780:84:8d31:86ea:9205:f5b1:2e60 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/MDVgZwjw5F

Permanent link: aaaa.bot/r/MDVgZwjw5F · How we measure

Checked 2026-10-31 13:43:06 UTC. Full DNS report: dns.pizza/domain/csbwebhost.com · JSON: /api/v1/csbwebhost.com