glassbox.dk is a .dk domain served by 2 nameservers (kay.ns.cloudflare.com, ned.ns.cloudflare.com). It was registered on 9 August 2026 (WHOIS) and first appeared in the .dk zone on 10 August 2026. Its website address 104.21.91.16 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.91.16 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.207.233 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.207.233 |
| 🔶 Autoconfig | 104.21.91.16 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:5b10 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:cfe9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.16,172.67.207.233 ech=AEX+DQBBDwAgACCTnXdUnn5zXCRPSwlkED1yBLv3BrfppMF/S6qVjOBHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b10,2606:4700:3037::ac43:cfe9 |
| TXT Record |
|---|
| google-site-verification=9BwT_QQld0Du_SsIUfsr6kNMw3e6AHQfnrk4i4ZtnAg |
| www | 104.21.91.16 172.67.207.233 2606:4700:3032::6815:5b10 2606:4700:3037::ac43:cfe9 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network glassbox.dk: 104.21.91.16 172.67.207.233 2606:4700:3032::6815:5b10 2606:4700:3037::ac43:cfe9 (AS13335) www.glassbox.dk: 104.21.91.16 172.67.207.233 2606:4700:3032::6815:5b10 2606:4700:3037::ac43:cfe9 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416885575 |
| Primary NS (MNAME) | kay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-08-09 |
| Expires | 2027-08-08 (294d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:39:43 shown | 694ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-22 17:29:52 | 1073ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 06:43:52 | 1226ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 03:19:30 | 769ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-14 06:23:05 | 4854ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-10 08:45:51 | 3570ms | 2 NS 0 A 0 MX | 🔓 Insecure |