Yes — xn--masterconstruces-iwb.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 xn--masterconstruces-iwb.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:bf:e3c5:bb2b:d425:3efe answers · 443✓ 2a02:4780:84:e6d9:8f52:15a7:98ab:75a4 answers · 443	yes
www over IPv6 www.xn--masterconstruces-iwb.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:21:872d:daac:1c94:6ef9:e333 answers · 443✓ 2a02:4780:1d:c359:10d7:4e46:978d:4d10 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. apollo.dns-parking.com ✓athena.dns-parking.com ✓	yes

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

https://xn--masterconstruces-iwb.com/ via 2a02:4780:84:bf:e3c5:bb2b:d425:3efe → 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/xn--masterconstruces-iwb.com.svg)](https://aaaa.bot/xn--masterconstruces-iwb.com)

Check again

xn--masterconstruces-iwb.com Has IPv6

A (IPv4)	2.57.91.157 84.32.84.252
AAAA (IPv6)	2a02:4780:84:bf:e3c5:bb2b:d425:3efe 2a02:4780:84:e6d9:8f52:15a7:98ab:75a4

www.xn--masterconstruces-iwb.com Has IPv6

Alias of	www.xn--masterconstruces-iwb.com.cdn.hstgr.net
A (IPv4)	212.1.212.167 191.96.144.48
AAAA (IPv6)	2a02:4780:21:872d:daac:1c94:6ef9:e333 2a02:4780:1d:c359:10d7:4e46:978d:4d10

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: xn--masterconstruces-iwb.com
Measured 2026-11-08 01:27:21 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.157, 84.32.84.252
AAAA (IPv6): 2a02:4780:84:bf:e3c5:bb2b:d425:3efe, 2a02:4780:84:e6d9:8f52:15a7:98ab:75a4
www AAAA:    2a02:4780:21:872d:daac:1c94:6ef9:e333, 2a02:4780:1d:c359:10d7:4e46:978d:4d10

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: xn--masterconstruces-iwb.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:bf:e3c5:bb2b:d425:3efe: answers (TCP 443)
    2a02:4780:84:e6d9:8f52:15a7:98ab:75a4: answers (TCP 443)
- www over IPv6: www.xn--masterconstruces-iwb.com has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:21:872d:daac:1c94:6ef9:e333: answers (TCP 443)
    2a02:4780:1d:c359:10d7:4e46:978d:4d10: 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://xn--masterconstruces-iwb.com/ via 2a02:4780:84:bf:e3c5:bb2b:d425:3efe -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/YUJXXfUMbh

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

Checked 2026-11-08 01:27:21 UTC. Full DNS report: dns.pizza/domain/xn--masterconstruces-iwb.com · Age, certificate and blocklists: how.is/xn--masterconstruces-iwb.com · JSON: /api/v1/xn--masterconstruces-iwb.com