cjmu.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 26 September 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by cjmu-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dns.services | — | — | — |
| ns2.dns.services | — | — | — |
| ns3.dns.services | — | — | — |
| TXT Record |
|---|
| MS=ms62861818 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cjmu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | cjmu.dk (all on cjmu.dk) |
| www vs bare domain | Neither resolves cjmu.dk: no address www.cjmu.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022092615 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2022-09-26 |
| Expires | 2027-09-25 (338d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-07-03 00:13:58 | 1143ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 12:34:00 | 2600ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 05:19:31 | 3229ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 16:26:05 | 988ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 02:16:33 | 719ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:20:14 | 45180ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:14:11 shown | 1659ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:10:49 | 688ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:00:15 | 773ms | 3 NS 0 A 1 MX | 🔒 Secure |