cjmu.dk DNS records

🖥️ Nameservers3 records 31ms

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 Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cjmu-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 52.101.68.18 52.101.68.25 52.101.68.32 52.101.73.11	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.56
🔶 Autoconfig	cjmu.dk

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 40ms

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

📝 TXT Records2 records 139ms

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

🔏 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)

🔐 DNSSEC58ms

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

🏷️ SOA32ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

35ms

MX

34ms

AAAA

39ms

TXT

139ms

CAA

28ms

HTTPS

31ms

TLSA

471ms

SOA

32ms

MTA-STS

43ms

DNSSEC

58ms

SRV

40ms

Total

1143ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-03 00:13:58	1143ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 12:34:00	2600ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-23 05:19:31	3229ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 16:26:05	988ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 02:16:33	719ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 21:20:14	45180ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 21:14:11	1659ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 21:10:49	688ms	3 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 21:00:15	773ms	3 NS 0 A 1 MX	🔒 Secure	View