Has both IPv4 (A) and IPv6 (AAAA) addresses.
| Website over IPv6 columbinelakesactivities.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3036::ac43:d7a2 answers · 443✓ 2606:4700:3032::6815:5342 answers · 443 | yes |
| www over IPv6 www.columbinelakesactivities.org has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3032::6815:5342 answers · 443✓ 2606:4700:3036::ac43:d7a2 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. dilbert.ns.cloudflare.com ✓lola.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://columbinelakesactivities.org/ via 2606:4700:3036::ac43:d7a2 → 302https://columbinelakesactivities.org/events/2026/12/holiday-decorating-contest via 2606:4700:3036::ac43:d7a2 → 200 | works |
columbinelakesactivities.org Has IPv6
| A (IPv4) | 104.21.83.66 172.67.215.162 |
|---|---|
| AAAA (IPv6) | 2606:4700:3036::ac43:d7a2 2606:4700:3032::6815:5342 |
www.columbinelakesactivities.org Has IPv6
| A (IPv4) | 172.67.215.162 104.21.83.66 |
|---|---|
| AAAA (IPv6) | 2606:4700:3032::6815:5342 2606:4700:3036::ac43:d7a2 |
Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).
Permanent link: aaaa.bot/r/Sz8-ktt1zF · How we measure
Checked 2026-11-13 17:01:07 UTC. Full DNS report: dns.pizza/domain/columbinelakesactivities.org · Age, certificate and blocklists: how.is/columbinelakesactivities.org · JSON: /api/v1/columbinelakesactivities.org