mastercore.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 2 September 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.158.19 | — | linux14.dandomain.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.dandomain.dk | 46.36.209.11 | mx2.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| google-site-verification=wKpfGuV7gD0XbU643I0o7V48K78v9AXB-Jw7FgXkJdA |
| v=spf1 include:spf.dandomain.dk ~all |
| Policy | Record (mastercore.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.dandomain.dk ~all |
| www | 104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mastercore.dk: 104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335) www.mastercore.dk: 104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024062001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-09-02 |
| Expires | 2027-09-01 (312d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 21:35:39 | 988ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 12:19:59 | 735ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 12:04:20 | 619ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 11:34:04 | 732ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 11:23:35 | 572ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 11:11:27 | 614ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 06:05:37 | 834ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-31 19:04:02 | 161ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-28 10:07:37 | 161ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 10:03:46 | 838ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 22:52:25 | 176ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-25 00:41:27 | 526ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-24 00:14:53 | 812ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 19:22:36 | 943ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 19:12:56 | 854ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 19:00:06 | 16818ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 18:32:39 | 8703ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 18:29:36 | 11085ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 20:18:46 | 8737ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 07:44:28 | 2623ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-14 04:28:09 | 2052ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 18:13:40 | 1512ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 16:40:14 | 842ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-08 03:33:19 | 1230ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 17:11:28 | 8639ms | 1 NS 0 A 0 MX | ❓ Unknown |