mitkursus.dk DNS records

🖥️ Nameservers4 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.6	3600s	linux172.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mitkursus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca09::26 2a01:111:f403:ca09::b 52.101.103.137 52.101.103.140 52.101.68.10 52.101.73.123	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00203.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 Records3 records 136ms

TXT Record
8ar72hssqsmetin6kt94u0eq11
MS=ms82257570
v=spf1 a include:centex.dk include:sendgrid.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (mitkursus.dk)
-all (hard fail)	v=spf1 a include:centex.dk include:sendgrid.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.mitkursus.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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
TXT	_acme-challenge.mitkursus.dk	9Y9jVGZ-medewxKrGYE84ltEDKL-mw3QS321zWII7yA

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026062300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

48ms

A

47ms

MX

43ms

AAAA

53ms

TXT

136ms

CAA

51ms

HTTPS

39ms

TLSA

315ms

SOA

0ms

MTA-STS

63ms

DNSSEC

84ms

SRV

68ms

Total

957ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 07:39:21	957ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 14:11:15	868ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:18:38	754ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:45:29	1492ms	4 NS 1 A 1 MX	🔒 Secure	View