tkholding.dk is a .dk domain served by 2 nameservers (carioca.ns.cloudflare.com, roman.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tkholding-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms94361064 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tkholding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves tkholding.dk: no address www.tkholding.dk: no address |
| Wildcard | No |
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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2415723573 |
| Primary NS (MNAME) | carioca.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 11:05:45 shown | 2137ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 10:48:45 | 1481ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-16 01:58:53 | 2732ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:37:55 | 1186ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-26 11:06:59 | 10462ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-19 11:25:38 | 2976ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:02:49 | 944ms | 2 NS 0 A 1 MX | 🔓 Insecure |