Yes — cdn-mobile-whatsapp.com has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 cdn-mobile-whatsapp.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:8cd answers · 443✓ 2606:4700:3033::ac43:82a0 answers · 443	yes
www over IPv6 www.cdn-mobile-whatsapp.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::ac43:82a0 answers · 443✓ 2606:4700:3034::6815:8cd answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. hazel.ns.cloudflare.com ✓nick.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://cdn-mobile-whatsapp.com/ via 2606:4700:3034::6815:8cd → 302https://search.yahoo.com/ via 2600:1f18:4f25:a708:a940:3819:f398:7350 → 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/cdn-mobile-whatsapp.com.svg)](https://aaaa.bot/cdn-mobile-whatsapp.com)

Check again

cdn-mobile-whatsapp.com Has IPv6

A (IPv4)	104.21.8.205 172.67.130.160
AAAA (IPv6)	2606:4700:3034::6815:8cd 2606:4700:3033::ac43:82a0

www.cdn-mobile-whatsapp.com Has IPv6

A (IPv4)	104.21.8.205 172.67.130.160
AAAA (IPv6)	2606:4700:3033::ac43:82a0 2606:4700:3034::6815:8cd

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: cdn-mobile-whatsapp.com
Measured 2026-10-31 06:38:34 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.8.205, 172.67.130.160
AAAA (IPv6): 2606:4700:3034::6815:8cd, 2606:4700:3033::ac43:82a0
www AAAA:    2606:4700:3033::ac43:82a0, 2606:4700:3034::6815:8cd

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: cdn-mobile-whatsapp.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:8cd: answers (TCP 443)
    2606:4700:3033::ac43:82a0: answers (TCP 443)
- www over IPv6: www.cdn-mobile-whatsapp.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::ac43:82a0: answers (TCP 443)
    2606:4700:3034::6815:8cd: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It 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 200.
    https://cdn-mobile-whatsapp.com/ via 2606:4700:3034::6815:8cd -> HTTP 302, certificate: valid
    https://search.yahoo.com/ via 2600:1f18:4f25:a708:a940:3819:f398:7350 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/kEZQtdGOns

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

Checked 2026-10-31 06:38:34 UTC. Full DNS report: dns.pizza/domain/cdn-mobile-whatsapp.com · JSON: /api/v1/cdn-mobile-whatsapp.com