friis-cassoe.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by friiscassoe-dk01c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| MS=ms48206182 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (friis-cassoe.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.friis-cassoe.dk | autodiscover.outlook.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-18 06:53:24 | 1835ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 04:25:19 | 1471ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 11:38:20 | 3135ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 06:53:01 shown | 2121ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-22 04:21:23 | 6397ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 11:30:38 | 17214ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 10:30:50 | 1295ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 10:26:58 | 1885ms | 2 NS 0 A 1 MX | 🔒 Secure |