Yes — telekom.de has IPv6.

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

This is a saved measurement from 2026-10-31 02:45 UTC. Check telekom.de live now

B
IPv6 readiness
Works over IPv6, with one gap: its mail servers lack IPv6.
Website over IPv6
telekom.de has 3 IPv6 addresses and answers on every one we tested.
✓ 2a05:d014:73f:ec05:c4bd:6cb4:3a9e:327b answers · 443✓ 2a05:d014:73f:ec04:23ef:c018:758f:d821 answers · 443✓ 2a05:d014:73f:ec03:d255:940:bce5:3d47 answers · 443
yes
www over IPv6
www.telekom.de has 4 IPv6 addresses and answers on every one we tested (4 more not tested).
✓ 2600:9000:2111:6400:7:7dca:bc80:93a1 answers · 443✓ 2600:9000:2111:fc00:7:7dca:bc80:93a1 answers · 443✓ 2600:9000:2111:c200:7:7dca:bc80:93a1 answers · 443✓ 2600:9000:2111:a600:7:7dca:bc80:93a1 answers · 443– 2600:9000:2111:f000:7:7dca:bc80:93a1 not tested– 2600:9000:2111:fa00:7:7dca:bc80:93a1 not tested– 2600:9000:2111:6200:7:7dca:bc80:93a1 not tested– 2600:9000:2111:f400:7:7dca:bc80:93a1 not tested
yes
Mail servers (MX) have IPv6
None of the mail servers has an AAAA record.
mailin.ng.telekom.net ✗
no
Nameservers have IPv6
2 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns1.telekom.net ✓pns.dtag.de ✓dns1.telekom.de ✗dns2.telekom.de ✗
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.
https://telekom.de/ via 2a05:d014:73f:ec05:c4bd:6cb4:3a9e:327b → 301https://www.telekom.de/ via 2600:9000:2111:6400:7:7dca:bc80:93a1 → 301https://www.telekom.de/start via 2600:9000:2111:6400:7:7dca:bc80:93a1 → 200
works

What's keeping telekom.de from an A

  1. Mail servers without IPv6
    mailin.ng.telekom.net has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.

Check again

telekom.de  Has IPv6

A (IPv4)63.184.16.68
52.29.103.196
3.75.123.125
AAAA (IPv6)2a05:d014:73f:ec05:c4bd:6cb4:3a9e:327b
2a05:d014:73f:ec04:23ef:c018:758f:d821
2a05:d014:73f:ec03:d255:940:bce5:3d47

www.telekom.de  Has IPv6

Alias ofd2jma3uliasueq.cloudfront.net
A (IPv4)99.86.109.45
99.86.109.94
99.86.109.68
99.86.109.88
AAAA (IPv6)2600:9000:2111:6400:7:7dca:bc80:93a1
2600:9000:2111:fc00:7:7dca:bc80:93a1
2600:9000:2111:c200:7:7dca:bc80:93a1
2600:9000:2111:a600:7:7dca:bc80:93a1
2600:9000:2111:f000:7:7dca:bc80:93a1
2600:9000:2111:fa00:7:7dca:bc80:93a1
2600:9000:2111:6200:7:7dca:bc80:93a1
2600:9000:2111:f400:7:7dca:bc80:93a1

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/9-wUuREN9a · How we measure

Checked 2026-10-31 02:45:48 UTC. Full DNS report: dns.pizza/domain/telekom.de · JSON: /api/v1/telekom.de