hotelårhus.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 7 December 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.16.17 is hosted by Sentia Denmark A/S (AS47292) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 77.66.16.17 | 3600s | — | AS47292 | Sentia Denmark A/S | 77.66.16.0/20 | 🇩🇰 Denmark | Karlslunde |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.68 |
| 🔶 Autoconfig | 93.191.156.68 |
| TXT Record |
|---|
| v=spf1 a mx include:spf.simply.com ~all |
| Policy | Record (hotelårhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.simply.com ~all |
| www CNAME | hotel-faber.dk (all on hotel-faber.dk) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| 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: 3/10 · 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 | 2026093000 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2005-12-07 |
| Expires | 2026-12-31 (71d) |
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).
| Domain | Registrar |
|---|---|
| aarhus-bed-and-breakfast.dk | Simply.com A/S |
| dansk-hotel.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 04:54:29 shown | 525ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 03:32:23 | 418ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 09:08:30 | 436ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 16:02:59 | 2670ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 16:01:32 | 593ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 09:33:27 | 975ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 15:10:53 | 361ms | 0 NS 0 A 0 MX | ❓ Unknown |