Yes — scaffboss.app has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 scaffboss.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:b76e answers · 443✓ 2606:4700:3030::6815:5bfe answers · 443	yes
www over IPv6 www.scaffboss.app has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:b76e answers · 443✓ 2606:4700:3030::6815:5bfe 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. fred.ns.cloudflare.com ✓ryleigh.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://scaffboss.app/ via 2606:4700:3036::ac43:b76e → 302https://ostrala.cloudflareaccess.com/cdn-cgi/access/login/scaffboss.app?kid=da50451949f5a49d8e14d8c10db9a3783850c1d4ccc500719431d6d981ec6f24&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjZjMWNlYWQ4MjIzMDQ0NTUzODZlOGZkMDFjZTczODBkYjU0MzliYjViNjkxNjE1NTBjZWE1MTFmMGM1ZWYyMDgifQ.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.g-6bZ-b1xiMC6fSCkvhVwhhlRczxqyP1TxDG0e1KyUino3KwF8FuzW9t0Kfkz418eyIlw1C3FGHPVOlhhKuGWnXmmFYRP4zZmblgY2VbFh2TQBFPcJkdX37NLeYavtIBsBZxEqi0zx1-RHWJjqRZKWgVwdUsdWE3x31OqOBeZhXHLfchCxALhN5HFwULYOJ8kgPFg4qtuzqxhNqCdL5WEVcYyDkHdRiBBsgeQDQTgCR8hjS05oAzb3HMyeKx1VED3ZlV8PVWAJXDYvxLIEc4ravP5EfkRD5kqyj1GnEtzb4WwTisKp2SwBMxMMhUg6q157QW3HW9J_wVrY2C5KTIFA&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/scaffboss.app.svg)](https://aaaa.bot/scaffboss.app)

Check again

scaffboss.app Has IPv6

A (IPv4)	172.67.183.110 104.21.91.254
AAAA (IPv6)	2606:4700:3036::ac43:b76e 2606:4700:3030::6815:5bfe

www.scaffboss.app Has IPv6

A (IPv4)	172.67.183.110 104.21.91.254
AAAA (IPv6)	2606:4700:3036::ac43:b76e 2606:4700:3030::6815:5bfe

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: scaffboss.app
Measured 2026-11-08 15:38:34 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.183.110, 104.21.91.254
AAAA (IPv6): 2606:4700:3036::ac43:b76e, 2606:4700:3030::6815:5bfe
www AAAA:    2606:4700:3036::ac43:b76e, 2606:4700:3030::6815:5bfe

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: scaffboss.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:b76e: answers (TCP 443)
    2606:4700:3030::6815:5bfe: answers (TCP 443)
- www over IPv6: www.scaffboss.app has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3036::ac43:b76e: answers (TCP 443)
    2606:4700:3030::6815:5bfe: 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://scaffboss.app/ via 2606:4700:3036::ac43:b76e -> HTTP 302, certificate: valid
    https://ostrala.cloudflareaccess.com/cdn-cgi/access/login/scaffboss.app?kid=da50451949f5a49d8e14d8c10db9a3783850c1d4ccc500719431d6d981ec6f24&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjZjMWNlYWQ4MjIzMDQ0NTUzODZlOGZkMDFjZTczODBkYjU0MzliYjViNjkxNjE1NTBjZWE1MTFmMGM1ZWYyMDgifQ.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.g-6bZ-b1xiMC6fSCkvhVwhhlRczxqyP1TxDG0e1KyUino3KwF8FuzW9t0Kfkz418eyIlw1C3FGHPVOlhhKuGWnXmmFYRP4zZmblgY2VbFh2TQBFPcJkdX37NLeYavtIBsBZxEqi0zx1-RHWJjqRZKWgVwdUsdWE3x31OqOBeZhXHLfchCxALhN5HFwULYOJ8kgPFg4qtuzqxhNqCdL5WEVcYyDkHdRiBBsgeQDQTgCR8hjS05oAzb3HMyeKx1VED3ZlV8PVWAJXDYvxLIEc4ravP5EfkRD5kqyj1GnEtzb4WwTisKp2SwBMxMMhUg6q157QW3HW9J_wVrY2C5KTIFA&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/vDmGICx0LZ

Permanent link: aaaa.bot/r/vDmGICx0LZ · How we measure

Checked 2026-11-08 15:38:34 UTC. Full DNS report: dns.pizza/domain/scaffboss.app · Age, certificate and blocklists: how.is/scaffboss.app · JSON: /api/v1/scaffboss.app