klase.dk DNS records

🖥️ Nameservers2 records 31ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.119	3600s	prolinux8.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	klase-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.29 52.101.68.3 52.101.68.8 52.101.73.12	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.40
🔶 Autoconfig	185.21.42.119

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 168ms

TXT Record
MS=ms72990156
MS=ms80172984
v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:mailmailmail.net -all

✉️ SPF

Policy	Record (klase.dk)
-all (hard fail)	v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:mailmailmail.net -all

📨 DMARC

Policy	Record (_dmarc.klase.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

📬 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.klase.dk	uBrLqm2GaBZHvSY6jjBPJG5oGVGaDOkqKaVDO2tPbcQ

🔗 TLSA / DANE

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

🔐 DNSSEC63ms

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

🏷️ SOA27ms

Field	Value
Serial	2024040201
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

31ms

A

33ms

MX

35ms

AAAA

29ms

TXT

168ms

CAA

33ms

HTTPS

28ms

TLSA

127ms

SOA

27ms

MTA-STS

41ms

DNSSEC

63ms

SRV

38ms

Total

749ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 15:08:23	749ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 08:47:01	666ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:40:28	1204ms	2 NS 1 A 1 MX	🔓 Insecure	View