Yes — linode.com has IPv6.

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

This is a saved measurement from 2026-10-31 07:11 UTC. Check linode.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 linode.com has 3 IPv6 addresses and answers on every one we tested. ✓ 2600:1408:c400:11::17cd:6b5a answers · 443✓ 2600:1408:c400:11::17cd:6b55 answers · 443✓ 2600:1408:c400:11::17cd:6b51 answers · 443	yes
www over IPv6 www.linode.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2600:1408:c400:11::17cd:6b5a answers · 443✓ 2600:1408:c400:11::17cd:6b51 answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. mxa-00190b01.gslb.pphosted.com ✓mxb-00190b01.gslb.pphosted.com ✓	yes
Nameservers have IPv6 6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. a7-65.akam.net ✓a3-67.akam.net ✓a16-64.akam.net ✓a1-249.akam.net ✓a4-64.akam.net ✓a12-65.akam.net ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://linode.com/ via 2600:1408:c400:11::17cd:6b5a → 301https://www.linode.com/ via 2600:1408:c400:11::17cd:6b5a → 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/linode.com.svg)](https://aaaa.bot/linode.com)

Check again

linode.com Has IPv6

A (IPv4)	23.212.250.18 23.212.250.25
AAAA (IPv6)	2600:1408:c400:11::17cd:6b5a 2600:1408:c400:11::17cd:6b55 2600:1408:c400:11::17cd:6b51

www.linode.com Has IPv6

Alias of	linode.com.edgekey.net → e26254.dsca.akamaiedge.net
A (IPv4)	23.73.207.147
AAAA (IPv6)	2600:1408:c400:11::17cd:6b5a 2600:1408:c400:11::17cd:6b51

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: linode.com
Measured 2026-10-31 07:11:09 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    23.212.250.18, 23.212.250.25
AAAA (IPv6): 2600:1408:c400:11::17cd:6b5a, 2600:1408:c400:11::17cd:6b55, 2600:1408:c400:11::17cd:6b51
www AAAA:    2600:1408:c400:11::17cd:6b5a, 2600:1408:c400:11::17cd:6b51

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: linode.com has 3 IPv6 addresses and answers on every one we tested.
    2600:1408:c400:11::17cd:6b5a: answers (TCP 443)
    2600:1408:c400:11::17cd:6b55: answers (TCP 443)
    2600:1408:c400:11::17cd:6b51: answers (TCP 443)
- www over IPv6: www.linode.com has 2 IPv6 addresses and answers on every one we tested.
    2600:1408:c400:11::17cd:6b5a: answers (TCP 443)
    2600:1408:c400:11::17cd:6b51: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 6 of 6 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 after 1 redirect: HTTP 200.
    https://linode.com/ via 2600:1408:c400:11::17cd:6b5a -> HTTP 301, certificate: valid
    https://www.linode.com/ via 2600:1408:c400:11::17cd:6b5a -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/I4BwDttahN

Permanent link: aaaa.bot/r/I4BwDttahN · How we measure

Checked 2026-10-31 07:11:09 UTC. Full DNS report: dns.pizza/domain/linode.com · JSON: /api/v1/linode.com