uddannelsescentret.dk DNS records

🖥️ Nameservers4 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnscluster.dk	2001:41d0:701:1100::7ec7 57.129.78.20	vps-1448e198.vps.ovh.net vps-1448e198.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS
ns2.dnscluster.dk	212.95.58.14 2a00:c98:400f:104:1c00:a8ff:fe00:2ac	ns2.dnscluster.dk ns2.dnscluster.dk	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH
ns3.dnscluster.dk	213.184.84.70 2a09:3a00:4070::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dnscluster.dk	2a06:a005:16d0:45::a 45.140.220.10	ns4.dnscluster.dk ns4.dnscluster.dk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd

🌍 A Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.84.11	3600s	nlsh06.shared-infra.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	uddannelsescentret-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 52.101.68.25 52.101.68.3 52.101.68.39 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am0pr04cu00500.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	213.184.84.11

🔷 AAAA Records (IPv6)1 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:3a00:4011::1	3600s	—	AS59795	PerfGrid	2a09:3a00:4000:0:0:0:0:0/40	🇳🇱 The Netherlands	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 756ms

TXT Record
v=spf1 include:spf.protection.outlook.com +a +mx +include:spf-record.net ~all

✉️ SPF

Policy	Record (uddannelsescentret.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com +a +mx +include:spf-record.net ~all

📨 DMARC

Policy	Record (_dmarc.uddannelsescentret.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.uddannelsescentret.dk	b650648f-85d2-430d-a458-a41aa8a8f481.auth.acme-challenge.dk

🔗 TLSA / DANE

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

🔐 DNSSEC187ms

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

🏷️ SOA65ms

Field	Value
Serial	2025120306
Primary NS (MNAME)	ns1.dnscluster.dk
Responsible (RNAME)	hostmaster@uddannelsescentret.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

67ms

MX

64ms

AAAA

65ms

TXT

756ms

CAA

63ms

HTTPS

165ms

TLSA

210ms

SOA

65ms

MTA-STS

171ms

DNSSEC

187ms

SRV

315ms

Total

1535ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-30 01:24:20	1535ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 02:08:04	1787ms	4 NS 1 A 1 MX	🔒 Secure	View