hojskolerne.dk

📜 Historical scan 2026-06-22 20:42:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hojskolerne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.5.125 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by hojskolerne-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 80ms

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 Records#

1 records 73ms

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 Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	hojskolerne-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.29 52.101.73.12 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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	hojskolerne.dk → 23.88.5.125

🔷 AAAA Records (IPv6)#

1 records 31ms

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 Records#

2 records 192ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 16:49:15

www	23.88.5.125 2a01:4f8:272:3c81::2 (AS24940) (address records, no CNAME)
www vs bare domain	Same network hojskolerne.dk: 23.88.5.125 2a01:4f8:272:3c81::2 (AS24940) www.hojskolerne.dk: 23.88.5.125 2a01:4f8:272:3c81::2 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-hojskolerne-dk._domainkey.hojskolerne.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-hojskolerne-dk._domainkey.hojskolerne.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 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)

🔐 DNSSEC#

80ms

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

🏷️ SOA#

32ms

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#

WHOIS fetched 2026-10-07 17:44:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-24
Expires	2027-03-31 (157d)

📋 WHOIS#

⏱️ Lookup Timing#

80ms

73ms

36ms

AAAA

31ms

TXT

192ms

CAA

49ms

HTTPS

31ms

TLSA

568ms

SOA

32ms

MTA-STS

42ms

DNSSEC

80ms

SRV

107ms

Total

1232ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 16:49:15	954ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 17:38:04	2183ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 16:14:08	1422ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:56:14	670ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:05:10	996ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:07:51	965ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 00:20:37	963ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 15:12:44	1122ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 20:42:53 shown	1232ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:20:39	2417ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:18:24	282ms	0 NS 0 A 0 MX	❓ Unknown