atrium.dk is a .dk domain served by 2 nameservers (ali.ns.cloudflare.com, kareem.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.227 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by atrium-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this 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 |
|---|---|---|---|---|---|---|---|
| 104.21.37.227 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.214.170 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.37.227 |
| 🔶 Autoconfig | 172.67.214.170 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:d6aa | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:25e3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.37.227,172.67.214.170 ech=AEX+DQBBTAAgACBQa6Fs0QsHvFGOm7fwXzS6Tw+lGcXx2IAmxaupdvUjZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d6aa,2606:4700:3034::6815:25e3 |
| TXT Record |
|---|
| MS=ms13402279 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (atrium.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.37.227 172.67.214.170 2606:4700:3032::ac43:d6aa 2606:4700:3034::6815:25e3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2411831868 |
| Primary NS (MNAME) | ali.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 11:49:35 | 5148ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 08:47:44 | 705ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 20:26:28 | 1630ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 05:58:13 | 3615ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-12 01:21:04 shown | 3921ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-15 13:41:48 | 9204ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 12:55:38 | 1362ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 00:02:17 | 1735ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 23:21:04 | 748ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:48:20 | 946ms | 2 NS 2 A 1 MX | 🔓 Insecure |