undertagstjek.dk

Records from scan: 2026-10-09 14:01:05 · 1086ms total · last checked 2026-10-26 13:29 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undertagstjek.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 16 February 2013 (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 107ms

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 75ms

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 75ms

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 2026-10-09 14:01:05

www	194.150.113.21 (AS48854) (address records, no CNAME)
www vs bare domain	Same network undertagstjek.dk: 194.150.113.21 (AS48854) www.undertagstjek.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#

205ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2013021601
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 2026-10-10 01:57:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-02-16
Expires	2028-02-29 (489d)

📋 WHOIS#

⏱️ Lookup Timing#

107ms

75ms

AAAA

85ms

TXT

220ms

CAA

68ms

HTTPS

66ms

TLSA

209ms

SOA

56ms

MTA-STS

119ms

DNSSEC

205ms

SRV

102ms

Total

1086ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:01:05 shown	1086ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 08:21:00	416ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 12:11:11	458ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 20:17:43	489ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:04:22	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:11:11	689ms	2 NS 1 A 1 MX	❓ Unknown