hkrogstrup.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, carlos.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by hkrogstrup-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 | 172.67.192.10 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 +a +mx include:spf.protection.outlook.com +ip4:193.8.36.37 ~all |
| Policy | Record (hkrogstrup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx include:spf.protection.outlook.com +ip4:193.8.36.37 ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves hkrogstrup.dk: no address www.hkrogstrup.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-hkrogstrup-dk._domainkey.hkrogstrup.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hkrogstrup.dk | 1aQMI23pIk9f7Z2AeFQCTL1qd0Dvi6qfN_ohW_y_wQU |
| TXT | _acme-challenge.hkrogstrup.dk | vCX9H4uSxVMEvdzC0u749f4Y5XjvQOb6m1UT83jjvPk |
| 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 | 2417558222 |
| Primary NS (MNAME) | abby.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:37:30 shown | 1058ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 09:13:13 | 1544ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-19 15:25:24 | 1909ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-20 00:33:14 | 5829ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-17 19:28:46 | 1880ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-21 22:38:26 | 1373ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:07:42 | 1033ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 02:54:30 | 935ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:47:10 | 261ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:43:42 | 4510ms | 2 NS 0 A 1 MX | 🔓 Insecure |