ternenskole.dk DNS records

🖥️ Nameservers3 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	130.162.220.97	—	AS31898 Oracle Corporation

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.91	38400s	npm.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	38400s	ternenskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::8 2a01:111:f403:ca38::8 52.101.103.143 52.101.68.15 52.101.68.16 52.101.73.2	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 110ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 307ms

TXT Record
MS=ms72922214
v=spf1 a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ternenskole.dk)
-all (hard fail)	v=spf1 a:mailgw1.c-system.dk a:web01.c-system.dk 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

🔗 TLSA / DANE

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

🔐 DNSSEC9117ms

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

🏷️ SOA0ms

Field	Value
Serial	1600344168
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	hostmaster@c-system.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

69ms

A

59ms

MX

66ms

AAAA

45ms

TXT

307ms

CAA

70ms

HTTPS

47ms

TLSA

875ms

SOA

0ms

MTA-STS

100ms

DNSSEC

9117ms

SRV

110ms

Total

10457ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 03:02:49	10457ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 07:11:27	9953ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 03:01:49	1324ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 16:31:27	1166ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 00:19:21	1355ms	3 NS 1 A 1 MX	⚠️ Bogus	View