kurs-nu.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.97.132.205	3600s	—	AS48854	team.blue Denmark A/S	212.97.132.0/22	🇩🇰 Denmark	Skanderborg

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kursnu-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::24 2a01:111:f403:ca09::4 2a01:111:f403:ca21::8 52.101.68.10 52.101.68.8 52.101.73.153 52.101.73.155	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr02cu00203.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	212.97.132.205

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 143ms

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

✉️ SPF

Policy	Record (kurs-nu.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

🔗 TLSA / DANE

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

🔐 DNSSEC75ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2016110702
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

31ms

MX

34ms

AAAA

37ms

TXT

143ms

CAA

30ms

HTTPS

34ms

TLSA

4029ms

SOA

0ms

MTA-STS

46ms

DNSSEC

75ms

SRV

50ms

Total

4519ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 04:20:13	4519ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 16:53:10	4491ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 19:23:54	4578ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 20:55:53	4582ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 03:57:08	5433ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-21 12:49:54	4408ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 16:51:29	4489ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 06:14:03	5146ms	2 NS 1 A 1 MX	🔓 Insecure	View