markusborg.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.223 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.223 | 3600s | 223.giga-ptr.232.116.217.in-addr.arpa web23.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | markusborg.dk → 217.116.232.223 |
| 🔶 Autoconfig | markusborg.dk → 217.116.232.223 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | markusborg.dk (all on markusborg.dk) |
| www vs bare domain | Same network markusborg.dk: 217.116.232.223 46.183.138.100 (AS47292) www.markusborg.dk: 217.116.232.223 46.183.138.100 (AS47292) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.markusborg.dk | markusborg.dk |
| 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 | 2026070901 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@markusborg.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:38:05 | 1554ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-08 17:37:58 | 1174ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-01 13:26:51 | 1559ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 12:11:47 | 865ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-21 16:32:08 | 1063ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-14 14:43:59 | 1481ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-09 02:45:40 | 1300ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-27 16:54:37 | 716ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-20 19:57:26 | 2840ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-13 19:33:01 | 10127ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-07 12:20:28 | 1580ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-02 09:07:05 | 1495ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-23 22:17:20 | 1678ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-17 20:18:50 | 1281ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-12 08:24:41 shown | 9758ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-03 19:55:30 | 1328ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 13:53:25 | 959ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-20 01:06:58 | 631ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-19 23:29:06 | 1292ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-18 05:19:26 | 2836ms | 5 NS 2 A 3 MX | 🔓 Insecure |