Yes — skaffer.app has IPv6.

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

This is a saved measurement from 2026-11-14 16:46 UTC. Check skaffer.app live now

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 skaffer.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:50ab answers · 443✓ 2606:4700:3032::ac43:9834 answers · 443	yes
www over IPv6 www.skaffer.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::ac43:9834 answers · 443✓ 2606:4700:3032::6815:50ab 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. curt.ns.cloudflare.com ✓dalary.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.

https://skaffer.app/ via 2606:4700:3032::6815:50ab → 530

Nothing keeping you from an A

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

Check again

skaffer.app Has IPv6

A (IPv4)	172.67.152.52 104.21.80.171
AAAA (IPv6)	2606:4700:3032::6815:50ab 2606:4700:3032::ac43:9834

www.skaffer.app Has IPv6

A (IPv4)	104.21.80.171 172.67.152.52
AAAA (IPv6)	2606:4700:3032::ac43:9834 2606:4700:3032::6815:50ab

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: skaffer.app
Measured 2026-11-14 16:46:10 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.152.52, 104.21.80.171
AAAA (IPv6): 2606:4700:3032::6815:50ab, 2606:4700:3032::ac43:9834
www AAAA:    2606:4700:3032::ac43:9834, 2606:4700:3032::6815:50ab

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: skaffer.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::6815:50ab: answers (TCP 443)
    2606:4700:3032::ac43:9834: answers (TCP 443)
- www over IPv6: www.skaffer.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3032::ac43:9834: answers (TCP 443)
    2606:4700:3032::6815:50ab: 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): Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.
    https://skaffer.app/ via 2606:4700:3032::6815:50ab -> HTTP 530, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/FQBDn1BAoo

Permanent link: aaaa.bot/r/FQBDn1BAoo · How we measure

Checked 2026-11-14 16:46:10 UTC. Full DNS report: dns.pizza/domain/skaffer.app · Age, certificate and blocklists: how.is/skaffer.app · JSON: /api/v1/skaffer.app