hojskolebladet.dk DNS records

🖥️ Nameservers2 records 41ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.5.125	900s	static.125.5.88.23.clients.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
30	7200s	hojskolebladet-dk.mail.eo.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.209.153 52.101.68.8 52.101.73.11 52.101.73.24	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.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	hojskolebladet.dk → 23.88.5.125
🔶 Autoconfig	hojskolebladet.dk → 23.88.5.125

🔷 AAAA Records (IPv6)1 records 33ms

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 Records1 records 184ms

TXT Record
facebook-domain-verification=7x6zp07qg4a41xwsvr63q5iuiinqbl

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.hojskolebladet.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
CNAME	_acme-challenge.hojskolebladet.dk	hojskolebladet.dk
TXT	hojskolebladet.dk	facebook-domain-verification=7x6zp07qg4a41xwsvr63q5iuiinqbl

🔗 TLSA / DANE

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

🔐 DNSSEC82ms

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

🏷️ SOA0ms

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

41ms

A

36ms

MX

50ms

AAAA

33ms

TXT

184ms

CAA

67ms

HTTPS

39ms

TLSA

4040ms

SOA

0ms

MTA-STS

68ms

DNSSEC

82ms

SRV

78ms

Total

4853ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:54:12	4853ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 13:59:20	6437ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 16:14:33	9111ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 18:23:55	4894ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:17:41	332ms	0 NS 0 A 0 MX	❓ Unknown	View