Yes — unpkg.com has IPv6.

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

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
unpkg.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6812:116 answers · 443✓ 2606:4700::6812:16 answers · 443
yes
www over IPv6
www.unpkg.com has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6812:16 answers · 443✓ 2606:4700::6812:116 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
smtp.google.com ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
alexia.ns.cloudflare.com ✓weston.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://unpkg.com/ via 2606:4700::6812:116 → 200
works
 Load unpkg.com over IPv6 from up to six other places — a second opinion.

Nothing keeping you from an A

  1. Nothing to fix
    Show it off: add the badge to your README.
    [![IPv6](https://aaaa.bot/badge/unpkg.com.svg)](https://aaaa.bot/unpkg.com)

Check again

unpkg.com  Has IPv6

A (IPv4)104.18.1.22
104.18.0.22
AAAA (IPv6)2606:4700::6812:116
2606:4700::6812:16

www.unpkg.com  Has IPv6

A (IPv4)104.18.1.22
104.18.0.22
AAAA (IPv6)2606:4700::6812:16
2606:4700::6812:116

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

 Permanent link: aaaa.bot/r/COR160Hx8O · How we measure

Checked 2026-10-31 10:31:22 UTC. Full DNS report: dns.pizza/domain/unpkg.com · JSON: /api/v1/unpkg.com