Yes — coinbase.com has IPv6.

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

This is a saved measurement from 2026-10-31 14:27 UTC. Check coinbase.com live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 coinbase.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:310d::6812:230f answers · 443✓ 2a06:98c1:3102::ac40:98f1 answers · 443	yes
www over IPv6 www.coinbase.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2a06:98c1:3102::ac40:98f1 answers · 443✓ 2a06:98c1:310d::6812:230f answers · 443	yes
Mail servers (MX) have IPv6 Every mail server has an AAAA record. aspmx.l.google.com ✓alt3.aspmx.l.google.com ✓alt4.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. sam.ns.cloudflare.com ✓sue.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.

https://coinbase.com/ via 2a06:98c1:310d::6812:230f → 302https://www.coinbase.com/ via 2a06:98c1:3102::ac40:98f1 → 403

works

Nothing keeping you from an A

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

Check again

coinbase.com Has IPv6

A (IPv4)	104.18.35.15 172.64.152.241
AAAA (IPv6)	2a06:98c1:310d::6812:230f 2a06:98c1:3102::ac40:98f1

www.coinbase.com Has IPv6

A (IPv4)	172.64.152.241 104.18.35.15
AAAA (IPv6)	2a06:98c1:3102::ac40:98f1 2a06:98c1:310d::6812:230f

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: coinbase.com
Measured 2026-10-31 14:27:33 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.18.35.15, 172.64.152.241
AAAA (IPv6): 2a06:98c1:310d::6812:230f, 2a06:98c1:3102::ac40:98f1
www AAAA:    2a06:98c1:3102::ac40:98f1, 2a06:98c1:310d::6812:230f

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: coinbase.com has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:310d::6812:230f: answers (TCP 443)
    2a06:98c1:3102::ac40:98f1: answers (TCP 443)
- www over IPv6: www.coinbase.com has 2 IPv6 addresses and answers on every one we tested.
    2a06:98c1:3102::ac40:98f1: answers (TCP 443)
    2a06:98c1:310d::6812:230f: answers (TCP 443)
- Mail servers (MX) have IPv6: Every mail server has an AAAA record.
- Nameservers have IPv6: 2 of 2 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 403.
    https://coinbase.com/ via 2a06:98c1:310d::6812:230f -> HTTP 302, certificate: valid
    https://www.coinbase.com/ via 2a06:98c1:3102::ac40:98f1 -> HTTP 403, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/l8bJZU02_2

Permanent link: aaaa.bot/r/l8bJZU02_2 · How we measure

Checked 2026-10-31 14:27:33 UTC. Full DNS report: dns.pizza/domain/coinbase.com · JSON: /api/v1/coinbase.com