hojskolerne.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.5.125	3600s	static.125.5.88.23.clients.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	hojskolerne-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.10 52.101.68.18 52.101.73.11 52.101.73.26	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr05cu01302.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
🔶 Autoconfig	hojskolerne.dk → 23.88.5.125

🔷 AAAA Records (IPv6)1 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:272:3c81::2	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 163ms

TXT Record
facebook-domain-verification=e9asd3jxrbnla8711d91a0sd084bs6
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (hojskolerne.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.hojskolerne.dk	hojskolerne.dk
TXT	hojskolerne.dk	facebook-domain-verification=e9asd3jxrbnla8711d91a0sd084bs6

🔗 TLSA / DANE

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

🔐 DNSSEC79ms

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

🏷️ SOA36ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

37ms

MX

31ms

AAAA

38ms

TXT

163ms

CAA

30ms

HTTPS

35ms

TLSA

212ms

SOA

36ms

MTA-STS

43ms

DNSSEC

79ms

SRV

49ms

Total

963ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-30 00:20:37	963ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 15:12:44	1122ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 20:42:53	1232ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:20:39	2417ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:18:24	282ms	0 NS 0 A 0 MX	❓ Unknown	View