matematikbroen.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 1 June 2015 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 | 1792366045 |
| 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 | 2015-06-01 |
| Expires | 2027-06-30 (253d) |
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 21:46:34 shown | 391ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-17 21:00:50 | 1192ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 18:47:07 | 333ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 16:57:31 | 669ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-11 12:26:25 | 2717ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-10 10:55:39 | 1584ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 09:05:06 | 1659ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 09:01:13 | 7956ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 20:29:33 | 363ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 20:26:35 | 445ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-02 20:20:26 | 463ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 20:19:23 | 304ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 19:59:10 | 1641ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-28 19:55:26 | 1536ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 19:43:51 | 1564ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 19:20:12 | 1558ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 19:05:22 | 427ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 18:14:55 | 1574ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-19 02:38:28 | 501ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-15 17:55:29 | 1649ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-10 18:25:23 | 1521ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 09:19:44 | 347ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-30 08:10:55 | 314ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 03:24:23 | 651ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 22:11:22 | 365ms | 3 NS 0 A 0 MX | 🔒 Secure |