madrid-rejser.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 30 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.181 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by server.cooperante.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.181 | 2389s | server.cooperante.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | server.cooperante.dk | 178.20.216.181 | server.cooperante.dk | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.181 |
| 🔶 Autoconfig | 178.20.216.181 |
| TXT Record |
|---|
| google-site-verification=sbJI56LtiTK6tKwPCuuyFxMHUE0MAIMnR_GQQxmKa5I |
| www | 178.20.216.181 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2007-03-30 |
| Expires | 2027-03-31 (164d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 00:05:19 shown | 339ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 18:10:51 | 375ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 02:48:45 | 471ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:23:41 | 427ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 07:40:31 | 522ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:06:08 | 933ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 01:42:29 | 1101ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 12:27:24 | 924ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:13:27 | 3881ms | 2 NS 1 A 1 MX | 🔓 Insecure |