Yes — news.constantcontact.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
news.constantcontact.com has 4 IPv6 addresses and answers on every one we tested (1 more not tested).
✓ 2606:4700::6811:1baa answers · 443✓ 2606:4700::6811:1daa answers · 443✓ 2606:4700::6811:1caa answers · 443✓ 2606:4700::6811:1eaa answers · 443– 2606:4700::6811:1faa not tested
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
4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.
dns1.p01.nsone.net ✓dns2.p01.nsone.net ✓dns3.p01.nsone.net ✓dns4.p01.nsone.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.
https://news.constantcontact.com/ via 2606:4700::6811:1baa → 200
works
 Load news.constantcontact.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/news.constantcontact.com.svg)](https://aaaa.bot/news.constantcontact.com)

Check again

news.constantcontact.com  Has IPv6

Alias ofconstantcontact.mediaroom.com
A (IPv4)104.17.27.170
104.17.31.170
104.17.30.170
104.17.28.170
104.17.29.170
AAAA (IPv6)2606:4700::6811:1baa
2606:4700::6811:1daa
2606:4700::6811:1caa
2606:4700::6811:1eaa
2606:4700::6811:1faa

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/6I2QP7Hd6y · How we measure

Checked 2026-11-02 10:01:08 UTC. Full DNS report: dns.pizza/domain/news.constantcontact.com · JSON: /api/v1/news.constantcontact.com