assetbook.dk is a .dk domain served by 2 nameservers (burt.ns.cloudflare.com, gail.ns.cloudflare.com). It was registered on 15 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.75.40.53 is hosted by Sandviken Energi AB (AS20626) in Sweden. Mail is handled by mx.assetbook.email. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 185.75.40.53 | 600s | c185-75-40-53.customer.sandnet.se | AS20626 | Sandviken Energi AB | 185.75.40.0/22 | 🇸🇪 Sweden | Sandviken |
| 62.168.146.135 | 600s | 146-135.sandnet.se | AS20626 | Sandviken Energi AB | 62.168.128.0/19 | 🇸🇪 Sweden | Sandviken |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.assetbook.email | 185.75.40.53 62.168.146.135 |
c185-75-40-53.customer.sandnet.se 146-135.sandnet.se |
AS20626 Sandviken Energi AB AS20626 Sandviken Energi AB |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | assetbook.dk → 185.75.40.53 |
| 🔶 Autoconfig | assetbook.dk → 62.168.146.135 |
| TXT Record |
|---|
| v=spf1 ip4:185.75.40.53 include:assetbook.eu ~all |
| Policy | Record (assetbook.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.75.40.53 include:assetbook.eu ~all |
| www CNAME | assetbook.eu (all on assetbook.eu) |
| www vs bare domain | Same network assetbook.dk: 185.75.40.53 62.168.146.135 (AS20626) www.assetbook.dk: 185.75.40.53 62.168.146.135 (AS20626) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.assetbook.dk | assetbook.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2404021374 |
| Primary NS (MNAME) | burt.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-02-15 |
| Expires | 2027-02-14 (119d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:32:29 | 1188ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 02:09:25 | 9698ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 02:08:46 | 2120ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:07:57 | 839ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 06:17:44 | 970ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 21:59:49 | 848ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 19:50:09 | 1358ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:59:46 | 9836ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 14:51:40 | 937ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 10:14:18 | 3733ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 07:40:50 | 3399ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:19:17 | 983ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 02:46:53 | 1328ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 00:38:46 | 916ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 23:56:31 | 14251ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 20:44:50 shown | 1488ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:51:43 | 3339ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:46:33 | 737ms | 2 NS 2 A 1 MX | 🔓 Insecure |