detfri40aar.dk is a .dk domain served by 2 nameservers (alberto.ns.cloudflare.com, chelsea.ns.cloudflare.com). It was registered on 18 April 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.50 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 |
|---|---|---|---|---|---|---|---|
| 104.21.76.50 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.179 | 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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:bbb3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:4c32 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.50,172.67.187.179 ech=AEX+DQBBhgAgACBthnc1a7KXJW+xXnSl+BBKNkMHDHTPlWS87+NqyNOTTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bbb3,2606:4700:3033::6815:4c32 |
| www | Address record (no CNAME) |
| Wildcard | No |
| 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 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2415970929 |
| Primary NS (MNAME) | alberto.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-04-18 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 14:48:56 shown | 718ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 14:34:31 | 9550ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 03:15:49 | 821ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 23:52:12 | 714ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-30 03:17:39 | 2438ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-26 20:22:43 | 8964ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 19:54:47 | 1865ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 14:49:55 | 862ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:29:39 | 433ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:20:32 | 557ms | 2 NS 2 A 1 MX | 🔓 Insecure |