Yes — esmflex.agency has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 esmflex.agency has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 answers · 443✓ 2a02:4780:84:fd40:af9a:77b4:1979:5e20 answers · 443	yes
www over IPv6 www.esmflex.agency has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:cf4e:1e1d:81b0:db19:ec7a answers · 443✓ 2a02:4780:84:2bb3:b3d5:312b:5de6:6de3 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. nebula.dns-parking.com ✓aurora.dns-parking.com ✓	yes

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

https://esmflex.agency/ via 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 → 301https://esmflex.agency/fr/ via 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 → 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/esmflex.agency.svg)](https://aaaa.bot/esmflex.agency)

Check again

esmflex.agency Has IPv6

A (IPv4)	84.32.84.239 88.222.222.98
AAAA (IPv6)	2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 2a02:4780:84:fd40:af9a:77b4:1979:5e20

www.esmflex.agency Has IPv6

Alias of	www.esmflex.agency.cdn.hstgr.net
A (IPv4)	2.57.91.182 88.222.222.207
AAAA (IPv6)	2a02:4780:84:cf4e:1e1d:81b0:db19:ec7a 2a02:4780:84:2bb3:b3d5:312b:5de6:6de3

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: esmflex.agency
Measured 2026-11-12 02:44:49 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.239, 88.222.222.98
AAAA (IPv6): 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4, 2a02:4780:84:fd40:af9a:77b4:1979:5e20
www AAAA:    2a02:4780:84:cf4e:1e1d:81b0:db19:ec7a, 2a02:4780:84:2bb3:b3d5:312b:5de6:6de3

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: esmflex.agency has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4: answers (TCP 443)
    2a02:4780:84:fd40:af9a:77b4:1979:5e20: answers (TCP 443)
- www over IPv6: www.esmflex.agency has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:cf4e:1e1d:81b0:db19:ec7a: answers (TCP 443)
    2a02:4780:84:2bb3:b3d5:312b:5de6:6de3: 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 after 1 redirect: HTTP 200.
    https://esmflex.agency/ via 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 -> HTTP 301, certificate: valid
    https://esmflex.agency/fr/ via 2a02:4780:84:92f:c2c9:c7c9:33c0:b2a4 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/sQFk4cW3g7

Permanent link: aaaa.bot/r/sQFk4cW3g7 · How we measure

Checked 2026-11-12 02:44:49 UTC. Full DNS report: dns.pizza/domain/esmflex.agency · Age, certificate and blocklists: how.is/esmflex.agency · JSON: /api/v1/esmflex.agency