Yes — 87square.com has IPv6.

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

B
IPv6 readiness
Works over IPv6, with one gap: www doesn't fully work over IPv6.
Website over IPv6
87square.com has an AAAA record and answers on it.
✓ 2620:127:f00f:5:: answers · 443
yes
www over IPv6
www.87square.com has no AAAA record.		no
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.
ns-1427.awsdns-50.org ✓ns-1678.awsdns-17.co.uk ✓ns-505.awsdns-63.com ✓ns-809.awsdns-37.net ✓
yes
HTTPS over IPv6 · not part of the grade yet
87square.com didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).
https://87square.com/ via 2620:127:f00f:5:: · ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE
?
 Which outside scripts, fonts, payments or chat 87square.com loads from have no IPv6.
 Load 87square.com over IPv6 from up to six other places — a second opinion.

What's keeping 87square.com from an A

  1. Add IPv6 for www.87square.com
    www.87square.com has no AAAA record. Get www's IPv6 address from whoever hosts www and add it as an AAAA record. If the same server already serves both names (and its certificate covers www), you can reuse 87square.com's AAAA record(s) for www. How to add an AAAA record

Check again

87square.com  Has IPv6

A (IPv4)23.227.38.65
AAAA (IPv6)2620:127:f00f:5::

www.87square.com  IPv4 only

A (IPv4)54.209.203.29
3.234.49.230
AAAA (IPv6)none

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/spttoZ7JC9 · How we measure

Checked 2026-11-07 21:45:38 UTC. Full DNS report: dns.pizza/domain/87square.com · Age, certificate and blocklists: how.is/87square.com · JSON: /api/v1/87square.com