Yes — adsbook.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 adsbook.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7 answers · 443✓ 2a02:4780:84:e760:700a:a36d:d785:146f answers · 443	yes
www over IPv6 www.adsbook.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:22:7298:655a:2f80:9902:9f22 answers · 443✓ 2a02:4780:1e:60b3:b389:eec5:182b:bebe 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. hermes.dns-parking.com ✓artemis.dns-parking.com ✓	yes

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

https://adsbook.app/ via 2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7 → 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/adsbook.app.svg)](https://aaaa.bot/adsbook.app)

Check again

adsbook.app Has IPv6

A (IPv4)	84.32.84.193 88.222.222.230
AAAA (IPv6)	2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7 2a02:4780:84:e760:700a:a36d:d785:146f

www.adsbook.app Has IPv6

Alias of	www.adsbook.app.cdn.hstgr.net
A (IPv4)	88.222.222.55 2.57.91.2
AAAA (IPv6)	2a02:4780:22:7298:655a:2f80:9902:9f22 2a02:4780:1e:60b3:b389:eec5:182b:bebe

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: adsbook.app
Measured 2026-11-03 21:30:29 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.193, 88.222.222.230
AAAA (IPv6): 2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7, 2a02:4780:84:e760:700a:a36d:d785:146f
www AAAA:    2a02:4780:22:7298:655a:2f80:9902:9f22, 2a02:4780:1e:60b3:b389:eec5:182b:bebe

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: adsbook.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7: answers (TCP 443)
    2a02:4780:84:e760:700a:a36d:d785:146f: answers (TCP 443)
- www over IPv6: www.adsbook.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:22:7298:655a:2f80:9902:9f22: answers (TCP 443)
    2a02:4780:1e:60b3:b389:eec5:182b:bebe: 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://adsbook.app/ via 2a02:4780:84:ff1a:cfbe:5825:4f3:1fd7 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/bZDAYBBJaR

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

Checked 2026-11-03 21:30:29 UTC. Full DNS report: dns.pizza/domain/adsbook.app · Age, certificate and blocklists: how.is/adsbook.app · JSON: /api/v1/adsbook.app