net-undervisning.dk

Records from scan: 2026-09-30 22:17:42 · 480ms total · last checked 2026-10-16 15:59 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

net-undervisning.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 22 November 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.150.113.21 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.150.113.21	3600s	—	AS48854	team.blue Denmark A/S	194.150.112.0/22	🇩🇰 Denmark	Skanderborg

📧 MX Records#

1 records 23ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-10 02:04:49

www	194.150.113.21 (AS48854) (address records, no CNAME)
www vs bare domain	Same network net-undervisning.dk: 194.150.113.21 (AS48854) www.net-undervisning.dk: 194.150.113.21 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2014121202
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 16:46:10

Field	Value
Registrar	DANDOMAIN A/S
Registered	2010-11-22
Expires	2026-11-30 (44d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
viaikt.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

23ms

28ms

23ms

AAAA

30ms

TXT

140ms

CAA

26ms

HTTPS

41ms

TLSA

69ms

SOA

41ms

MTA-STS

73ms

DNSSEC

86ms

SRV

50ms

Total

480ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:17:42 shown	480ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 05:07:43	480ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 14:41:49	420ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:46:52	604ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:42:16	587ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 09:10:53	408ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:27:14	1952ms	2 NS 1 A 1 MX	🔒 Secure