bookahouse.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.28.164.195 is hosted by Amazon.com, Inc. (AS16509) in Germany. 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 |
|---|---|---|---|---|---|---|---|
| 52.28.164.195 | 3600s | ec2-52-28-164-195.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 52.24.0.0/13 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 52.28.164.195 |
| 🔶 Autoconfig | 52.28.164.195 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com ?all |
| Policy | Record (bookahouse.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.simply.com ?all |
| www | 52.28.164.195 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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: 1/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| 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 |
|---|---|---|---|
| 2026-10-02 03:53:44 shown | 545ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 03:38:44 | 381ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 10:06:12 | 473ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-03 17:59:17 | 510ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 22:01:24 | 717ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 02:52:33 | 496ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 23:52:16 | 632ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 15:55:30 | 527ms | 4 NS 1 A 0 MX | 🔒 Secure |