learnmark.dk DNS records

🖥️ Nameservers3 records 1615ms

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 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.126.78.209	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	learnmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca09::e 52.101.68.16 52.101.73.11 52.101.73.24 52.101.73.28	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔌 SRV Records2 records 1620ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	webmail.efif.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 1713ms

TXT Record
ahrefs-site-verification_6b107e82b7cbf840c1ae3855b5722826a2d1d4aa0ca3d3386039582f7562a313
autodesk-domain-verification=rWWqSseUDxPhp20X-_Im
facebook-domain-verification=qgmilcwxuuk5ixudfgii3kxyoovbdd
MS=ms62776259
skybrud6311le.azurewebsites.net
t+1uFq/vuYZz1aSXYJlsvDIxoKKFA0eBUM3IGNEOgrBzRKKui47Qs18IGiRYUFGUYFgTzH0dmNv7aD+mr5ws6w==
v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mailjet.com include:spf.mcb.dk include:_spf.easycruit.com include:mailgun.org ip4:40.68.78.201 ip4:83.91.91.2 -all

✉️ SPF

Policy	Record (learnmark.dk)
-all (hard fail)	v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mailjet.com include:spf.mcb.dk include:_spf.easycruit.com include:mailgun.org ip4:40.68.78.201 ip4:83.91.91.2 -all

📨 DMARC

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

🔐 DNSSEC172ms

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

🏷️ SOA0ms

Field	Value
Serial	2010072505
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

1615ms

A

93ms

MX

68ms

AAAA

1615ms

TXT

1713ms

CAA

72ms

HTTPS

79ms

TLSA

1629ms

SOA

0ms

MTA-STS

122ms

DNSSEC

172ms

SRV

1620ms

Total

4302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:47:14	805ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 18:30:14	754ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 09:16:09	1229ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 09:11:47	1536ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 13:47:07	1049ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 19:31:47	3453ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 19:28:48	4456ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 18:47:41	5324ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 18:38:39	17691ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 08:02:39	8628ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:03:28	10144ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 18:08:20	3336ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 13:40:34	4302ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 10:18:09	4111ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 07:05:09	4667ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 04:57:48	9988ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 04:30:45	17163ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 04:18:39	14286ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 01:20:20	5335ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 03:00:35	8157ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 02:41:01	11553ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 01:26:00	1350ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 23:48:34	3379ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 05:48:54	1100ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 06:41:58	3694ms	3 NS 1 A 1 MX	🔒 Secure	View