dtek.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 15 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by dtek-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | — | — | — |
| ns08.sac-it.dk | — | — | — |
| TXT Record |
|---|
| MS=ms74009946 |
| v=spf1 ip4:185.163.189.126 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_spf.xtracon.dk include:web.shared.mysmtp.com ~all |
| Policy | Record (dtek.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.163.189.126 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_spf.xtracon.dk include:web.shared.mysmtp.com ~all |
| www | 185.21.40.175 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dtek-dk._domainkey.dtek365.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: 6/10 · 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 | 2026061101 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@dtek.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-03-15 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:07:15 | 1232ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 12:58:43 | 2444ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 09:45:43 | 2429ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 08:17:49 | 858ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:25:51 | 1241ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 12:38:19 | 1762ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 00:41:27 | 832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 04:46:16 | 1581ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 03:25:28 | 1400ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 13:51:28 | 2330ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 20:08:52 | 6588ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 15:38:49 | 1755ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 09:23:15 | 1447ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 14:18:51 | 10063ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 22:41:24 | 3497ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 04:24:17 | 10044ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 15:33:58 | 659ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 22:23:54 | 1062ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 18:47:52 | 2640ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:50:22 shown | 502ms | 2 NS 0 A 1 MX | 🔓 Insecure |