heibergsgade25.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 22 December 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 5 more. 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 |
|---|
| google-site-verification=_lpYD9NwjV1dLlj2NHarr6YT_eSILc-F2D1dE8UeFiE |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves heibergsgade25.dk: no address www.heibergsgade25.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 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 | 2020051201 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-12-22 |
| Expires | 2026-12-31 (67d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 08:33:05 | 539ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-23 13:23:00 | 736ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-30 10:56:06 | 863ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-26 16:13:43 | 979ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-23 16:21:10 | 1180ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:25:03 | 704ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-20 04:53:52 shown | 1018ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 11:00:50 | 1411ms | 2 NS 0 A 7 MX | 🔒 Secure |