cjmu.dk

📜 Historical scan 2026-06-23 05:19:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

3 records 195ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services 37.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 168ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cjmu-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.68.16 52.101.68.32 52.101.73.2 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	cjmu.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 326ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 585ms

TXT Record
MS=ms62861818
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cjmu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 13:04:22

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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.cjmu.dk	cjmu.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

428ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

283ms

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

📋 Registration#

WHOIS fetched 2026-10-18 23:36:10

Field	Value
Registrar	dns.services ApS
Registered	2022-09-26
Expires	2027-09-25 (338d)

🔗 Same registrant#

12 domains

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).

Domain	Registrar
abc-estate.dk	dns.services ApS
boulevardkroen.dk	Punktum dk A/S (direct)
dk-funda.dk	dns.services ApS
mhwheels.dk	dns.services ApS
nem-fragt.dk	dns.services ApS
o7h.dk	Punktum dk A/S (direct)
politech.dk	Punktum dk A/S (direct)
politeck.dk	Punktum dk A/S (direct)
polytech.dk	dns.services ApS
polyteck.dk	Punktum dk A/S (direct)
transnova.dk	dns.services ApS
venlog.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

195ms

127ms

168ms

AAAA

281ms

TXT

585ms

CAA

226ms

HTTPS

294ms

TLSA

237ms

SOA

283ms

MTA-STS

295ms

DNSSEC

428ms

SRV

326ms

Total

3229ms

🕐 Scan History#

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 shown	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	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