mat-silkeborg.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 22 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| TXT Record |
|---|
| inst=Silkeborg Amtsgymnasium |
| Silkeborg Amtsgymnasium |
| SOA=1692718602 |
| www | 152.115.60.101 (AS31027) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1790879379 |
| Primary NS (MNAME) | mimer.deic.dk |
| Responsible (RNAME) | dns@support.i2.dk |
| Refresh | 16384s |
| Retry | 2048s |
| Expire | 2097152s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-11-22 |
| Expires | 2026-12-31 (72d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 12:00:42 | 453ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-17 11:07:42 | 410ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 10:14:32 | 418ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-15 07:13:42 | 333ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-12 01:03:13 | 500ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 00:28:23 | 338ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 23:38:57 | 2565ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 21:53:07 | 1330ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 21:38:01 | 1615ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 21:34:46 | 1642ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 12:10:25 | 1063ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 11:56:22 | 339ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 11:55:49 | 776ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 11:55:31 shown | 608ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 11:53:03 | 2143ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 11:50:35 | 2945ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 11:46:24 | 1127ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-28 11:30:23 | 4092ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 11:26:23 | 1592ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 11:20:38 | 403ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 16:35:39 | 1532ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 15:34:55 | 1628ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-22 11:36:14 | 1566ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-21 01:46:15 | 458ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-17 11:38:17 | 454ms | 3 NS 0 A 0 MX | 🔒 Secure |