kursuscenteret.dk DNS records

🖥️ Nameservers3 records 78ms

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 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.52	3600s	cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	kursuscenteret-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09:: 2a01:111:f403:ca09::b 2a01:111:f403:ca09::f 52.101.68.36 52.101.68.8 52.101.73.1 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 348ms

TXT Record
O012qF3ZdumG9264WWBcIBDL8i69RXIaso3Gf726TYLKPwOqEWCfv67UjoU36NWWU61fXB9KEU+9hQN41rcg4A==
Teknisk Skole Silkeborg
uvmid=743401
v=spf1 redirect=_spf.efif.dk

✉️ SPF

Policy	Record (kursuscenteret.dk)
no all — incomplete SPF	v=spf1 redirect=_spf.efif.dk

📨 DMARC

Policy	Record (_dmarc.kursuscenteret.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@efif.dk; rua=mailto:64e88d13a948b@dmarc.centerasecurity.com

📬 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)

🔐 DNSSEC223ms

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

🏷️ SOA0ms

Field	Value
Serial	2013122151
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

78ms

A

68ms

MX

98ms

AAAA

84ms

TXT

348ms

CAA

85ms

HTTPS

67ms

TLSA

779ms

SOA

0ms

MTA-STS

207ms

DNSSEC

223ms

SRV

201ms

Total

2634ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 20:47:02	2634ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 10:20:02	2484ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 10:01:39	2746ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 03:08:36	7582ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 17:01:01	5894ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 13:44:19	6960ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 21:54:38	4196ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 20:08:14	7821ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 08:12:29	9273ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 06:20:02	2901ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 01:40:52	14648ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 11:46:15	1808ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 17:43:42	3007ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 22:56:50	1267ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 22:00:46	6151ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 11:49:58	728ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 15:49:53	6781ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:39:06	4385ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 21:26:54	977ms	3 NS 1 A 1 MX	🔒 Secure	View