steffenmikkelsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 June 2007 (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 |
|---|
| v=spf1 -all |
| Policy | Record (steffenmikkelsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | NXDOMAIN |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | DNS Platform ApS |
| Registered | 2007-06-27 |
| Expires | 2031-06-30 (1728d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 16:28:08 | 458ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 16:22:44 | 1405ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-14 12:34:54 | 598ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-25 17:15:02 | 629ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-12 11:21:27 | 1535ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 20:50:49 | 8591ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-15 21:26:13 | 8531ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 13:06:50 shown | 490ms | 2 NS 0 A 0 MX | 🔒 Secure |