skulberg.dk is a .dk domain served by 2 nameservers (dane.ns.cloudflare.com, heather.ns.cloudflare.com). It was registered on 9 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.skulberg.dk. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 192.168.20.20 | 300s | — | — | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.skulberg.dk | 192.168.20.20 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 192.168.20.20 |
| 🔶 Autoconfig | 192.168.20.20 |
| TXT Record |
|---|
| v=spf1 a mx ip4:178.128.248.119 include:relay.mailchannels.net include:_spf.google.com include:spf.protection.outlook.com ~all |
| Policy | Record (skulberg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:178.128.248.119 include:relay.mailchannels.net include:_spf.google.com include:spf.protection.outlook.com ~all |
| www | 192.168.20.20 (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2411587847 |
| Primary NS (MNAME) | dane.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-01-09 |
| Expires | 2027-01-08 (76d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 04:56:53 | 506ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 19:45:16 | 1724ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:11:58 | 462ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 12:05:04 | 1233ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-09-02 08:45:43 | 593ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-08 10:00:04 shown | 1127ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 15:04:03 | 941ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:33:06 | 1147ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 17:56:49 | 603ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 06:35:03 | 653ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-17 11:37:03 | 1214ms | 2 NS 1 A 1 MX | 🔓 Insecure |