madsmjensen.dk is a .dk domain served by 2 nameservers (amit.ns.cloudflare.com, dalary.ns.cloudflare.com). It was registered on 26 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 104.21.46.8 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (madsmjensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | 104.21.46.8 172.67.221.247 2606:4700:3032::ac43:ddf7 2606:4700:3035::6815:2e08 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network madsmjensen.dk: 104.21.46.8 172.67.221.247 2606:4700:3032::ac43:ddf7 2606:4700:3035::6815:2e08 (AS13335) www.madsmjensen.dk: 104.21.46.8 172.67.221.247 2606:4700:3032::ac43:ddf7 2606:4700:3035::6815:2e08 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2417246140 |
| Primary NS (MNAME) | amit.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-11-26 |
| Expires | 2026-11-25 (36d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 17:44:56 | 1618ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-14 12:23:14 | 461ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-12 10:01:17 shown | 658ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-04 02:34:26 | 715ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 02:18:08 | 432ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 05:13:57 | 577ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 18:32:53 | 568ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 12:01:38 | 524ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 20:35:09 | 567ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 15:13:26 | 591ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 04:55:40 | 669ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:25:08 | 923ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 04:27:27 | 1064ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 03:12:37 | 742ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:40:03 | 3072ms | 3 NS 1 A 1 MX | 🔒 Secure |