Yes — shodan.io has IPv6.

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

This is a saved measurement from 2026-11-01 14:46 UTC. Check shodan.io live now

A
IPv6 readiness
Website, mail and DNS all work over IPv6.
Website over IPv6
shodan.io has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6812:cee answers · 443✓ 2606:4700::6812:dee answers · 443
yes
www over IPv6
www.shodan.io has 2 IPv6 addresses and answers on every one we tested.
✓ 2606:4700::6812:cee answers · 443✓ 2606:4700::6812:dee answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
aspmx.l.google.com ✓alt1.aspmx.l.google.com ✓alt2.aspmx.l.google.com ✓
yes
Nameservers have IPv6
2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ed.ns.cloudflare.com ✓lady.ns.cloudflare.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://shodan.io/ via 2606:4700::6812:cee → 301https://www.shodan.io/ via 2606:4700::6812:cee → 200
works

Nothing keeping you from an A

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

Check again

shodan.io  Has IPv6

A (IPv4)104.18.12.238
104.18.13.238
AAAA (IPv6)2606:4700::6812:cee
2606:4700::6812:dee

www.shodan.io  Has IPv6

A (IPv4)104.18.13.238
104.18.12.238
AAAA (IPv6)2606:4700::6812:cee
2606:4700::6812:dee

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/jJwPDSSNZz · How we measure

Checked 2026-11-01 14:46:29 UTC. Full DNS report: dns.pizza/domain/shodan.io · JSON: /api/v1/shodan.io