Yes — sitabook.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 sitabook.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:60a9:1b85:d798:4901:5a4e answers · 443✓ 2a02:4780:84:5064:7eb2:60c9:5bd2:9c7b answers · 443	yes
www over IPv6 www.sitabook.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:1d:7e62:517d:b2c4:fc0e:a43a answers · 443✓ 2a02:4780:1e:67c3:d2af:6af7:9036:b59b 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. solar.dns-parking.com ✓lunar.dns-parking.com ✓	yes

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

https://sitabook.com/ via 2a02:4780:84:60a9:1b85:d798:4901:5a4e → 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/sitabook.com.svg)](https://aaaa.bot/sitabook.com)

Check again

sitabook.com Has IPv6

A (IPv4)	88.222.222.67 84.32.84.115
AAAA (IPv6)	2a02:4780:84:60a9:1b85:d798:4901:5a4e 2a02:4780:84:5064:7eb2:60c9:5bd2:9c7b

www.sitabook.com Has IPv6

Alias of	www.sitabook.com.cdn.hstgr.net
A (IPv4)	191.96.144.71 191.101.104.7
AAAA (IPv6)	2a02:4780:1d:7e62:517d:b2c4:fc0e:a43a 2a02:4780:1e:67c3:d2af:6af7:9036:b59b

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: sitabook.com
Measured 2026-11-03 00:06:25 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.67, 84.32.84.115
AAAA (IPv6): 2a02:4780:84:60a9:1b85:d798:4901:5a4e, 2a02:4780:84:5064:7eb2:60c9:5bd2:9c7b
www AAAA:    2a02:4780:1d:7e62:517d:b2c4:fc0e:a43a, 2a02:4780:1e:67c3:d2af:6af7:9036:b59b

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: sitabook.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:60a9:1b85:d798:4901:5a4e: answers (TCP 443)
    2a02:4780:84:5064:7eb2:60c9:5bd2:9c7b: answers (TCP 443)
- www over IPv6: www.sitabook.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:1d:7e62:517d:b2c4:fc0e:a43a: answers (TCP 443)
    2a02:4780:1e:67c3:d2af:6af7:9036:b59b: 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: HTTP 200.
    https://sitabook.com/ via 2a02:4780:84:60a9:1b85:d798:4901:5a4e -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/LHuFXUQbBx

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

Checked 2026-11-03 00:06:25 UTC. Full DNS report: dns.pizza/domain/sitabook.com · Age, certificate and blocklists: how.is/sitabook.com · JSON: /api/v1/sitabook.com