sterobo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 September 2011 (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 (sterobo.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
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 | 2026093001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2011-09-23 |
| Expires | 2027-09-30 (343d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 04:48:40 | 547ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:53:21 shown | 458ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 02:48:56 | 679ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 01:18:55 | 830ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:01:10 | 1256ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 13:33:39 | 3204ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 12:10:08 | 6001ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 16:38:23 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 04:44:04 | 4723ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:13:24 | 3167ms | 2 NS 1 A 1 MX | 🔒 Secure |