Yes — foliodocs.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 foliodocs.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:24c6:6359:8537:2779:bf96 answers · 443✓ 2a02:4780:84:c73c:d345:7d0f:6fe0:3c97 answers · 443	yes
www over IPv6 www.foliodocs.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:4c:b7e1:1985:4b22:f0d2:577c answers · 443✓ 2a02:4780:4b:3a2a:3e4a:6cc2:fae9:466d answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx1.hostinger.com ✓mx2.hostinger.com ✓	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://foliodocs.app/ via 2a02:4780:84:24c6:6359:8537:2779:bf96 → 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/foliodocs.app.svg)](https://aaaa.bot/foliodocs.app)

Check again

foliodocs.app Has IPv6

A (IPv4)	84.32.84.53 2.57.91.63
AAAA (IPv6)	2a02:4780:84:24c6:6359:8537:2779:bf96 2a02:4780:84:c73c:d345:7d0f:6fe0:3c97

www.foliodocs.app Has IPv6

Alias of	www.foliodocs.app.cdn.hstgr.net
A (IPv4)	88.223.87.255 147.79.72.114
AAAA (IPv6)	2a02:4780:4c:b7e1:1985:4b22:f0d2:577c 2a02:4780:4b:3a2a:3e4a:6cc2:fae9:466d

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: foliodocs.app
Measured 2026-11-10 23:43:54 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.53, 2.57.91.63
AAAA (IPv6): 2a02:4780:84:24c6:6359:8537:2779:bf96, 2a02:4780:84:c73c:d345:7d0f:6fe0:3c97
www AAAA:    2a02:4780:4c:b7e1:1985:4b22:f0d2:577c, 2a02:4780:4b:3a2a:3e4a:6cc2:fae9:466d

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: foliodocs.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:24c6:6359:8537:2779:bf96: answers (TCP 443)
    2a02:4780:84:c73c:d345:7d0f:6fe0:3c97: answers (TCP 443)
- www over IPv6: www.foliodocs.app has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:4c:b7e1:1985:4b22:f0d2:577c: answers (TCP 443)
    2a02:4780:4b:3a2a:3e4a:6cc2:fae9:466d: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server 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://foliodocs.app/ via 2a02:4780:84:24c6:6359:8537:2779:bf96 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/mxtT6Ie1ar

Permanent link: aaaa.bot/r/mxtT6Ie1ar · How we measure

Checked 2026-11-10 23:43:54 UTC. Full DNS report: dns.pizza/domain/foliodocs.app · Age, certificate and blocklists: how.is/foliodocs.app · JSON: /api/v1/foliodocs.app