simtek.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 2 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk. 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 | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| MS=ms10036712 |
| v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (simtek.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves simtek.dk: no address www.simtek.dk: no address |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 2026091701 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@simtek.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2017-01-02 |
| Expires | 2027-01-31 (99d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| consilionordic.dk | SAC-IT A/S |
| cyanit.dk | SAC-IT A/S |
| hhproperties.dk | SAC-IT A/S |
| lauge-holding.dk | SAC-IT A/S |
| stensved.dk | SAC-IT A/S |
| z-event.dk | SAC-IT A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 02:05:39 | 496ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-15 18:03:47 | 721ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-09 01:49:55 | 961ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-02 00:38:16 | 743ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-24 23:22:19 | 670ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-19 01:47:02 shown | 599ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-17 14:24:41 | 933ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-10 13:14:22 | 1011ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-05 03:28:43 | 754ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 15:08:50 | 600ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-26 14:02:51 | 2735ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-26 07:33:30 | 716ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-20 17:28:44 | 4402ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-13 15:49:04 | 4217ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-07 00:47:33 | 9050ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-05 23:35:01 | 2047ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-23 18:03:49 | 964ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-16 10:20:36 | 1013ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-14 19:57:47 | 947ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-03 14:48:26 | 634ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-30 16:04:50 | 700ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-24 14:46:04 | 746ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-18 04:37:10 | 1021ms | 2 NS 0 A 2 MX | 🔓 Insecure |