mstkurser.dk DNS records

🖥️ Nameservers3 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.114	3600s	ak-ven-web03.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Højbjerg

📧 MX Records1 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mstkurser-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 2a01:111:f403:ca09::26 2a01:111:f403:ca09::7 52.101.73.11 52.101.73.153 52.101.73.155 52.101.73.30	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00306.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 155ms

TXT Record
MS=ms12360453
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.mstkurser.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:analyze@efif.dk

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC112ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2019012545
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

27ms

A

35ms

MX

27ms

AAAA

21ms

TXT

155ms

CAA

23ms

HTTPS

23ms

TLSA

972ms

SOA

0ms

MTA-STS

43ms

DNSSEC

112ms

SRV

63ms

Total

1511ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 12:44:02	1511ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 01:03:37	1410ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 05:01:22	5554ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 02:21:11	8320ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 20:00:55	7943ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 09:51:41	6498ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 20:58:30	14892ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 20:11:40	2467ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 15:37:06	2843ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 08:21:50	26636ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 07:23:13	11115ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 06:56:40	5543ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 03:02:14	2564ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 03:06:56	4997ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 06:40:30	1825ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 07:42:25	1815ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 22:12:23	6993ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 01:31:02	1288ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 09:00:22	1567ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 23:41:45	6876ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 11:00:58	4602ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 16:15:27	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 22:44:36	611ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:05:33	2528ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 01:58:01	1055ms	3 NS 1 A 1 MX	🔒 Secure	View