Yes — quick-outage-response-app.fun has IPv6.

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

IPv6 readiness

The www address publishes IPv6 but doesn't answer on it — worse than having none.

Website over IPv6 quick-outage-response-app.fun has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:21d2 answers · 443✓ 2606:4700:3037::ac43:a6d9 answers · 443	yes
www over IPv6 www.quick-outage-response-app.fun's AAAA record points at an address that isn't on the public internet, so IPv6 visitors can't reach it. ✗ 100:: not public	broken
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. colin.ns.cloudflare.com ✓laura.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://quick-outage-response-app.fun/ via 2606:4700:3032::6815:21d2 → 200

works

What's keeping quick-outage-response-app.fun from an A

Fix or remove the AAAA record for www.quick-outage-response-app.fun
Something published an IPv6 address but nothing answers on it, so IPv6 visitors wait for a timeout first. Either make the server listen on IPv6 (and allow ports 443/80 through its firewall), or delete the AAAA record until it does.

Check again

quick-outage-response-app.fun Has IPv6

A (IPv4)	104.21.33.210 172.67.166.217
AAAA (IPv6)	2606:4700:3032::6815:21d2 2606:4700:3037::ac43:a6d9

www.quick-outage-response-app.fun IPv6 only

A (IPv4)	none
AAAA (IPv6)	100::

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: quick-outage-response-app.fun
Measured 2026-11-08 10:48:17 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.33.210, 172.67.166.217
AAAA (IPv6): 2606:4700:3032::6815:21d2, 2606:4700:3037::ac43:a6d9
www AAAA:    100::

Readiness grade F: The www address publishes IPv6 but doesn't answer on it — worse than having none.
- Website over IPv6: quick-outage-response-app.fun has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:21d2: answers (TCP 443)
    2606:4700:3037::ac43:a6d9: answers (TCP 443)
- www over IPv6: www.quick-outage-response-app.fun's AAAA record points at an address that isn't on the public internet, so IPv6 visitors can't reach it.
    100::: not public
- 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: HTTP 200.
    https://quick-outage-response-app.fun/ via 2606:4700:3032::6815:21d2 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/_8GkpUbcS2

Permanent link: aaaa.bot/r/_8GkpUbcS2 · How we measure

Checked 2026-11-08 10:48:17 UTC. Full DNS report: dns.pizza/domain/quick-outage-response-app.fun · Age, certificate and blocklists: how.is/quick-outage-response-app.fun · JSON: /api/v1/quick-outage-response-app.fun