jcmholding.dk is a .dk domain served by 2 nameservers (rocco.ns.cloudflare.com, susan.ns.cloudflare.com). It was registered on 1 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.107.208.174 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by jcmholding-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 20.107.208.174 | 300s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | jcmholding.dk → 20.107.208.174 |
| TXT Record |
|---|
| google-site-verification=KBwFEAh2rky9oz3DXmlB7_kf0TOxgP9OTZ30f2V4Dl8 |
| MS=ms27478104 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jcmholding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | jcmholding.dk (all on jcmholding.dk) → 20.107.208.174 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-jcmholding-dk._domainkey.jcmhansen.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jcmholding.dk | jcmholding.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 | 2416929309 |
| Primary NS (MNAME) | rocco.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 | 2012-02-01 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 11:53:01 shown | 1402ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 07:11:55 | 1132ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:10:46 | 1359ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 18:48:47 | 1463ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-13 17:03:18 | 1496ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 20:51:45 | 997ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-12 02:28:28 | 3418ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 14:30:24 | 1649ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 16:30:51 | 1487ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 15:24:45 | 8707ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:36:41 | 2525ms | 2 NS 1 A 1 MX | 🔓 Insecure |