teoriundervisningen.dk

📜 Historical scan 2026-08-27 12:25:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

teoriundervisningen.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was registered on 18 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.206.180.167 is hosted by Public Cloud Ltd. (AS205787) in Germany. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   38ms
NameserverIP addressesPTRASN / ISP
ns1.nhl-data.dk 185.136.96.11
2a06:fb00:1::1:11		 ns1.nhl-data.dk
ns1.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns2.nhl-data.dk 185.136.97.11
2a06:fb00:1::2:11		 ns2.nhl-data.dk
ns2.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns3.nhl-data.dk 185.136.98.11
2a06:fb00:1::3:11		 ns3.nhl-data.dk
ns3.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns4.nhl-data.dk 185.136.99.11
2a06:fb00:1::4:11		 ns4.nhl-data.dk
ns4.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd

🌍 A Records#

2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.206.180.167 3600s 42.http-proxy2.cloudns.net AS205787 Public Cloud Ltd. 185.206.180.0/22 🇩🇪 Germany —
185.206.180.185 3600s 185.http4.cloudns.net AS205787 Public Cloud Ltd. 185.206.180.0/22 🇩🇪 Germany —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   54ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a0b:1640:1:1:1013:1:1:1 3600s 185.http4.cloudns.net AS205787 Public Cloud Ltd. 2a0b:1640:1:0:0:0:0:0/48 🇧🇬 Bulgaria —
2a0b:1640:1:1:1:1:1783:3454 3600s http-proxy2.cloudns.net AS205787 Public Cloud Ltd. 2a0b:1640:1:0:0:0:0:0/48 🇧🇬 Bulgaria —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   291ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (teoriundervisningen.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.teoriundervisningen.dk)
p=reject v=DMARC1; p=reject;

📬 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 2026-10-16 22:56:22
www185.206.180.167 185.206.180.185 2a0b:1640:1:1:1013:1:1:1 2a0b:1640:1:1:1:1:1783:3454 (AS205787) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026082304
Primary NS (MNAME)ns1.nhl-data.dk
Responsible (RNAME)hostmaster@nhl-data.dk
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-10 08:07:05
FieldValue
RegistrarNHL DATA ApS
Registered2014-09-18
Expires2027-09-30 (339d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
39ms
MX
58ms
AAAA
54ms
TXT
291ms
CAA
51ms
HTTPS
54ms
TLSA
86ms
SOA
0ms
MTA-STS
78ms
DNSSEC
105ms
SRV
100ms
Total
746ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-04 05:39:46 523ms 4 NS 2 A 0 MX 🔓 Insecure
2026-09-30 10:30:40 529ms 4 NS 2 A 0 MX 🔓 Insecure
2026-09-27 02:04:04 727ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-27 12:25:37 shown 746ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-26 17:07:33 763ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-24 03:18:14 3919ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-25 03:26:59 737ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-19 23:18:46 653ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-19 21:19:03 612ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-18 08:50:20 844ms 4 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone