madstrid.dk is a .dk domain served by 2 nameservers (benedict.ns.cloudflare.com, khloe.ns.cloudflare.com). It was registered on 10 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.173 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.71.173 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.21 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| 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 |
|---|---|
| 🔷 Autodiscover | 127.0.0.1 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:47ad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ab15 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.71.173,172.67.171.21 ech=AEX+DQBBgAAgACDn7j7vE3GnAowO7gdtH0y8/IFSiMYXEim4HJ1Qpev4GQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:47ad,2606:4700:3035::ac43:ab15 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (madstrid.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | 104.21.71.173 172.67.171.21 2606:4700:3031::6815:47ad 2606:4700:3035::ac43:ab15 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network madstrid.dk: 104.21.71.173 172.67.171.21 2606:4700:3031::6815:47ad 2606:4700:3035::ac43:ab15 (AS13335) www.madstrid.dk: 104.21.71.173 172.67.171.21 2606:4700:3031::6815:47ad 2606:4700:3035::ac43:ab15 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
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 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417332427 |
| Primary NS (MNAME) | benedict.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 | 2019-10-10 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 14:17:33 shown | 501ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-11 13:31:41 | 2417ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-10 11:54:17 | 2883ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 08:34:38 | 865ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 04:34:43 | 1117ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 04:15:56 | 572ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 11:46:48 | 531ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:36:55 | 674ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 20:50:08 | 863ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 08:44:47 | 2031ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 09:58:07 | 1149ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 23:01:59 | 2154ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 20:55:48 | 3244ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 19:02:49 | 9113ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 18:32:14 | 19955ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 19:22:07 | 4380ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-12 08:10:33 | 1009ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 01:45:26 | 3039ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 13:01:02 | 3430ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-31 19:32:12 | 16918ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 06:48:19 | 1803ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-05 17:34:50 | 2584ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 03:47:24 | 782ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:51:19 | 2669ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 12:22:23 | 973ms | 2 NS 2 A 1 MX | 🔓 Insecure |