zeker.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 46.183.138.100 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 |
|---|---|---|---|---|---|---|---|
| 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 | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | zeker.dk (all on zeker.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2026091001 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@zeker.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 08:45:39 | 635ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 22:44:23 | 5077ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 21:27:42 | 1688ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 19:47:31 | 809ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 07:59:43 | 1053ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-16 19:54:39 shown | 1148ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 10:42:06 | 908ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 12:07:34 | 894ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 06:38:01 | 1261ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 17:08:09 | 1177ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 05:40:29 | 2723ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 14:48:28 | 8823ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 04:31:19 | 1206ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 18:20:12 | 1133ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 06:04:26 | 1548ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 20:23:43 | 6139ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-01 18:20:55 | 1036ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 00:46:04 | 608ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 01:08:04 | 1646ms | 5 NS 1 A 3 MX | 🔓 Insecure |