bookshelf.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.229 is hosted by team.blue Denmark A/S (AS48854) 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 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.229 | 3600s | linux323.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.229 |
| 🔶 Autoconfig | 93.191.156.229 |
| www | Address record (no CNAME) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026012900 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2024-10-07 |
| Expires | 2026-10-06 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 02:15:31 | 326ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 01:10:07 | 317ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 00:23:48 | 110ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 00:05:19 | 246ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 23:05:02 | 103ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 22:56:26 | 221ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 20:23:10 | 215ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 17:11:54 | 237ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 13:35:03 | 380ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 09:21:32 | 1114ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 09:16:55 | 2258ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 07:15:54 | 489ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 07:11:23 | 396ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 03:18:44 shown | 377ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 08:09:47 | 460ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 18:13:23 | 692ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 16:19:52 | 2024ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 16:06:38 | 1152ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 16:03:14 | 297ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 16:00:39 | 343ms | 3 NS 1 A 0 MX | 🔒 Secure |