Yes — callz.click has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 callz.click has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc answers · 443✓ 2a02:4780:84:fb9e:990c:71a:5b97:e8ad answers · 443	yes
www over IPv6 www.callz.click has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:f4f6:e3bd:2eea:9b40:2da answers · 443✓ 2a02:4780:84:4f9a:9241:5dd9:633f:14aa 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. aster.dns-parking.com ✓helios.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://callz.click/ via 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc → 302https://callz.click/app/login via 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc → 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/callz.click.svg)](https://aaaa.bot/callz.click)

Check again

callz.click Has IPv6

A (IPv4)	84.32.84.67 2.57.91.239
AAAA (IPv6)	2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc 2a02:4780:84:fb9e:990c:71a:5b97:e8ad

www.callz.click Has IPv6

Alias of	www.callz.click.cdn.hstgr.net
A (IPv4)	191.96.144.64 191.101.104.167
AAAA (IPv6)	2a02:4780:84:f4f6:e3bd:2eea:9b40:2da 2a02:4780:84:4f9a:9241:5dd9:633f:14aa

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: callz.click
Measured 2026-11-08 04:31:44 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.67, 2.57.91.239
AAAA (IPv6): 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc, 2a02:4780:84:fb9e:990c:71a:5b97:e8ad
www AAAA:    2a02:4780:84:f4f6:e3bd:2eea:9b40:2da, 2a02:4780:84:4f9a:9241:5dd9:633f:14aa

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: callz.click has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc: answers (TCP 443)
    2a02:4780:84:fb9e:990c:71a:5b97:e8ad: answers (TCP 443)
- www over IPv6: www.callz.click has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:f4f6:e3bd:2eea:9b40:2da: answers (TCP 443)
    2a02:4780:84:4f9a:9241:5dd9:633f:14aa: 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://callz.click/ via 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc -> HTTP 302, certificate: valid
    https://callz.click/app/login via 2a02:4780:84:bc72:7bb7:1daa:bbc9:f1dc -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/svaUdv71M_

Permanent link: aaaa.bot/r/svaUdv71M_ · How we measure

Checked 2026-11-08 04:31:44 UTC. Full DNS report: dns.pizza/domain/callz.click · Age, certificate and blocklists: how.is/callz.click · JSON: /api/v1/callz.click