cermak.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 7 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.212 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.212 | 3600s | web12.gigahost.dk | 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 | cermak.dk (all on cermak.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 | 2026073001 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@cermak.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-05-07 |
| Expires | 2027-05-31 (223d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 22:00:25 | 621ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 08:02:04 | 2757ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 03:58:21 | 721ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 02:24:27 | 945ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 00:41:09 | 946ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-13 18:31:36 | 843ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 10:32:25 | 1035ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 15:57:17 | 835ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 02:15:13 | 2987ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 12:59:13 | 1137ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 02:46:36 | 1193ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 09:21:45 shown | 1068ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 00:48:53 | 2914ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 02:04:09 | 1079ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 03:07:12 | 1347ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-02 18:53:15 | 1192ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 05:28:14 | 935ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 09:31:36 | 983ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 20:12:36 | 1087ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 15:35:36 | 1187ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 01:34:11 | 1118ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 20:10:55 | 1336ms | 5 NS 1 A 3 MX | 🔓 Insecure |