ærø-hostel.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.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.
| www | NXDOMAIN |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2025012601 |
| 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 |
|---|---|---|---|
| 2026-09-30 04:50:48 | 404ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-04 23:57:06 | 490ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 11:44:07 | 2350ms | 3 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-06-24 04:15:15 | 310ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 23:28:32 | 1187ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 23:13:47 | 402ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 22:24:13 | 329ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 22:09:23 shown | 2271ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 12:59:02 | 1243ms | 3 NS 0 A 0 MX | 🔒 Secure |