Yes — web3cold-backup.live has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 web3cold-backup.live has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:28d6:efc6:ad55:7ace:42ee answers · 443✓ 2a02:4780:84:ed3c:132e:7aa0:15fe:8c5b answers · 443	yes
www over IPv6 www.web3cold-backup.live has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:1e:21c2:9f99:a1d9:5379:7abf answers · 443✓ 2a02:4780:21:fd29:f437:8784:7f62:26ba 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. atlas.dns-parking.com ✓hyperion.dns-parking.com ✓	yes

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

https://web3cold-backup.live/ via 2a02:4780:84:28d6:efc6:ad55:7ace:42ee → 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/web3cold-backup.live.svg)](https://aaaa.bot/web3cold-backup.live)

Check again

web3cold-backup.live Has IPv6

A (IPv4)	2.57.91.215 84.32.84.14
AAAA (IPv6)	2a02:4780:84:28d6:efc6:ad55:7ace:42ee 2a02:4780:84:ed3c:132e:7aa0:15fe:8c5b

www.web3cold-backup.live Has IPv6

Alias of	www.web3cold-backup.live.cdn.hstgr.net
A (IPv4)	84.32.84.189 2.57.91.18
AAAA (IPv6)	2a02:4780:1e:21c2:9f99:a1d9:5379:7abf 2a02:4780:21:fd29:f437:8784:7f62:26ba

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: web3cold-backup.live
Measured 2026-11-13 00:43:33 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    2.57.91.215, 84.32.84.14
AAAA (IPv6): 2a02:4780:84:28d6:efc6:ad55:7ace:42ee, 2a02:4780:84:ed3c:132e:7aa0:15fe:8c5b
www AAAA:    2a02:4780:1e:21c2:9f99:a1d9:5379:7abf, 2a02:4780:21:fd29:f437:8784:7f62:26ba

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: web3cold-backup.live has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:28d6:efc6:ad55:7ace:42ee: answers (TCP 443)
    2a02:4780:84:ed3c:132e:7aa0:15fe:8c5b: answers (TCP 443)
- www over IPv6: www.web3cold-backup.live has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:1e:21c2:9f99:a1d9:5379:7abf: answers (TCP 443)
    2a02:4780:21:fd29:f437:8784:7f62:26ba: 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://web3cold-backup.live/ via 2a02:4780:84:28d6:efc6:ad55:7ace:42ee -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/FFbjwnrcWA

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

Checked 2026-11-13 00:43:33 UTC. Full DNS report: dns.pizza/domain/web3cold-backup.live · Age, certificate and blocklists: how.is/web3cold-backup.live · JSON: /api/v1/web3cold-backup.live