Yes — telegram.org has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
telegram.org has an AAAA record and answers on it.
✓ 2001:67c:4e8:f004::9 answers · 443
yes
www over IPv6
www.telegram.org has an AAAA record and answers on it.
✓ 2001:67c:4e8:f004::9 answers · 443
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mx101.telegram.org ✗mx110.telegram.org ✗
no
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns-cloud-b1.googledomains.com ✓ns-cloud-b4.googledomains.com ✓ns-cloud-b2.googledomains.com ✓ns-cloud-b3.googledomains.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://telegram.org/ via 2001:67c:4e8:f004::9 → 200
works
 Load telegram.org over IPv6 from up to six other places — a second opinion.

What's keeping telegram.org from an A

  1. Mail servers without IPv6
    mx101.telegram.org, mx110.telegram.org have no AAAA record, so mail from IPv6-only servers can't reach them directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

telegram.org  Has IPv6

A (IPv4)149.154.167.99
AAAA (IPv6)2001:67c:4e8:f004::9

www.telegram.org  Has IPv6

A (IPv4)149.154.167.99
AAAA (IPv6)2001:67c:4e8:f004::9

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/qzs6qvJDat · How we measure

Checked 2026-10-30 22:21:33 UTC. Full DNS report: dns.pizza/domain/telegram.org · JSON: /api/v1/telegram.org