coremesh.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.216.11 is hosted by Microsoft Corporation (AS8075) in The Netherlands. 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 |
|---|---|---|---|---|---|---|---|
| 20.105.216.11 | 3600s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | corebiz.azurewebsites.net |
| 🔶 Autoconfig | corebiz.azurewebsites.net |
| TXT Record |
|---|
| ms-domain-verification=04ec5529-e579-4831-b5a9-486d7de91b09 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (coremesh.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | coremesh-web.azurewebsites.net (all on azurewebsites.net) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.coremesh.dk |
| www vs bare domain | www does not resolve (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: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.coremesh.dk | corebiz.azurewebsites.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025112801 |
| 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 | 2025-11-14 |
| Expires | 2026-11-13 (19d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 21:42:15 | 570ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 18:38:34 | 577ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-02 12:16:55 | 628ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 10:35:04 shown | 946ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 07:35:38 | 747ms | 3 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-16 22:25:45 | 2479ms | 3 NS 1 A 0 MX | 🔒 Secure |