Yes — googlesyndication.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
googlesyndication.com has 4 IPv6 addresses and answers on every one we tested.
✓ 2607:f8b0:4004:c1b::93 answers · 443✓ 2607:f8b0:4004:c1b::69 answers · 443✓ 2607:f8b0:4004:c1b::6a answers · 443✓ 2607:f8b0:4004:c1b::68 answers · 443
yes
Mail servers (MX) have IPv6
Every mail server has an AAAA record.
smtp.google.com ✓
yes
Nameservers have IPv6
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
ns4.google.com ✓ns1.google.com ✓ns2.google.com ✓ns3.google.com ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
https://googlesyndication.com/ via 2607:f8b0:4004:c1b::93 → 302https://www.google.com/ via 2001:4860:482d:7700:: → 200
works
 Load googlesyndication.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/googlesyndication.com.svg)](https://aaaa.bot/googlesyndication.com)

Check again

googlesyndication.com  Has IPv6

A (IPv4)142.251.111.105
142.251.111.103
142.251.111.99
142.251.111.147
142.251.111.104
142.251.111.106
AAAA (IPv6)2607:f8b0:4004:c1b::93
2607:f8b0:4004:c1b::69
2607:f8b0:4004:c1b::6a
2607:f8b0:4004:c1b::68

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/zBUc8Fn8JH · How we measure

Checked 2026-10-31 13:25:30 UTC. Full DNS report: dns.pizza/domain/googlesyndication.com · JSON: /api/v1/googlesyndication.com