dr-undervisning.dk

📜 Historical scan 2026-07-01 13:51:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dr-undervisning.dk is a .dk domain served by 4 nameservers (ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org and 1 more). It was registered on 17 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.137.195.24 is hosted by DR (AS29266) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-01.azure-dns.com	13.107.236.1 2603:1061:0:700::1	ns1-01.azure-dns.com ns1-01.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-01.azure-dns.net	150.171.21.1 2620:1ec:8ec:700::1	ns2-01.azure-dns.net ns2-01.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-01.azure-dns.org	204.14.183.1 2a01:111:4000:700::1	ns3-01.azure-dns.org ns3-01.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-01.azure-dns.info	208.84.5.1 2620:1ec:bda:700::1	ns4-01.azure-dns.info ns4-01.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.137.195.24	3600s	minisjang.dk rtmplive.dr.dk ungdommennutildags.dk	AS29266	DR	195.137.194.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 178ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (dr-undervisning.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.dr-undervisning.dk)
p=reject	v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:DMARC-Returned@dr.dk;ruf=mailto:DMARC-Returned@dr.dk

📬 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#

latest probe, not this scan · checked 2026-10-09 09:01:37

www CNAME	dr-undervisning.gss.dr.dk (all on dr.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.dr-undervisning.dk
www vs bare domain	www does not resolve dr-undervisning.dk: 195.137.195.24 (AS29266) www.dr-undervisning.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

29ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-01.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 04:23:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-02-17
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

36ms

30ms

AAAA

30ms

TXT

178ms

CAA

30ms

HTTPS

43ms

TLSA

80ms

SOA

29ms

MTA-STS

51ms

DNSSEC

56ms

SRV

47ms

Total

702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:45:17	495ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-28 11:31:40	622ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-01 13:51:26 shown	702ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-23 23:54:36	646ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-17 04:25:26	421ms	4 NS 1 A 0 MX	🔒 Secure