Yes — contractus.online has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 contractus.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:e10b:5f7c:4926:c426:7026 answers · 443✓ 2a02:4780:84:e2f9:605c:6e58:f033:7ee9 answers · 443	yes
www over IPv6 www.contractus.online has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:d05:6ea5:cfc5:c27a:e21f answers · 443✓ 2a02:4780:84:1aca:f1f2:4efa:420f:53ba answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mx2.hostinger.com ✓mx1.hostinger.com ✓	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: HTTP 200.

https://contractus.online/ via 2a02:4780:84:e10b:5f7c:4926:c426:7026 → 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/contractus.online.svg)](https://aaaa.bot/contractus.online)

Check again

contractus.online Has IPv6

A (IPv4)	84.32.84.81 88.222.222.169
AAAA (IPv6)	2a02:4780:84:e10b:5f7c:4926:c426:7026 2a02:4780:84:e2f9:605c:6e58:f033:7ee9

www.contractus.online Has IPv6

Alias of	www.contractus.online.cdn.hstgr.net
A (IPv4)	2.57.91.7 88.222.222.159
AAAA (IPv6)	2a02:4780:84:d05:6ea5:cfc5:c27a:e21f 2a02:4780:84:1aca:f1f2:4efa:420f:53ba

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: contractus.online
Measured 2026-10-31 19:58:50 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    84.32.84.81, 88.222.222.169
AAAA (IPv6): 2a02:4780:84:e10b:5f7c:4926:c426:7026, 2a02:4780:84:e2f9:605c:6e58:f033:7ee9
www AAAA:    2a02:4780:84:d05:6ea5:cfc5:c27a:e21f, 2a02:4780:84:1aca:f1f2:4efa:420f:53ba

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: contractus.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:e10b:5f7c:4926:c426:7026: answers (TCP 443)
    2a02:4780:84:e2f9:605c:6e58:f033:7ee9: answers (TCP 443)
- www over IPv6: www.contractus.online has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:d05:6ea5:cfc5:c27a:e21f: answers (TCP 443)
    2a02:4780:84:1aca:f1f2:4efa:420f:53ba: 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://contractus.online/ via 2a02:4780:84:e10b:5f7c:4926:c426:7026 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Lq-kWMrqMh

Permanent link: aaaa.bot/r/Lq-kWMrqMh · How we measure

Checked 2026-10-31 19:58:50 UTC. Full DNS report: dns.pizza/domain/contractus.online · JSON: /api/v1/contractus.online