caspersb.dk is a .dk domain served by 2 nameservers (arnold.ns.cloudflare.com, harleigh.ns.cloudflare.com). It was registered on 3 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.11.217.236 is hosted by Microsoft Corporation (AS8075) in France. 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 |
|---|---|---|---|---|---|---|---|
| 51.11.217.236 | 300s | — | AS8075 | Microsoft Corporation | 51.10.0.0/15 | 🇫🇷 France | Paris |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | caspersb.dk → 51.11.217.236 |
| 🔶 Autoconfig | caspersb.dk → 51.11.217.236 |
| www CNAME | caspersb.dk (all on caspersb.dk) → 51.11.217.236 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.caspersb.dk | caspersb.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 | 2411240150 |
| Primary NS (MNAME) | arnold.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 | 2020-09-03 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:55:21 | 679ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-02 01:20:54 | 1141ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-28 00:47:53 | 607ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-22 12:52:56 | 5879ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 11:47:58 | 1233ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-10 18:36:40 | 809ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-04 11:46:30 shown | 1596ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 01:39:45 | 925ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 19:41:27 | 417ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 19:41:07 | 310ms | 2 NS 1 A 0 MX | 🔓 Insecure |