duen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.191.24.110 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 85.191.24.110 | 3600s | 85.191.24.110.dynamic.dhcp.aura-net.dk | AS204274 | AURA Fiber A/S | 85.191.0.0/17 | 🇩🇰 Denmark | Skanderborg |
| TXT Record |
|---|
| apple-domain=gsGSlkq5pIKy4F53 |
| v=spf1 include:icloud.com ~all |
| Policy | Record (duen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025102000 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 18:56:37 | 847ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 22:32:25 | 828ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 22:17:47 | 501ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 00:13:37 | 662ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 17:17:47 | 3715ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 14:20:42 shown | 801ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 23:24:47 | 726ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 04:55:30 | 822ms | 3 NS 1 A 2 MX | 🔒 Secure |