klarteori.dk

📜 Historical scan 2026-06-23 03:04:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klarteori.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 3 November 2023 (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   61ms
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   60ms
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   40ms
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   245ms
TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.klarteori.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-08 12:46:48
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#

83ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

61ms
FieldValue
Serial2026060801
Primary NS (MNAME)ns1.nhl-data.dk
Responsible (RNAME)hostmaster@nhl-data.dk
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-15 14:38:49
FieldValue
RegistrarNHL DATA ApS
Registered2023-11-03
Expires2026-11-02 (5d)

🔗 Same registrant#

13 domains

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).

DomainRegistrar
bedsteteoriprøver.dkPunktum dk A/S (direct)
dennyeteoriprøve.dkNHL DATA ApS
denyeteoriprøver.dkNHL DATA ApS
køreteoriprøve.dkPunktum dk A/S (direct)
onlineteoriprøve.dkNHL DATA ApS
teori-undervisning.dkNHL DATA ApS
teoriklare.dkNHL DATA ApS
teoriklaret.dkNHL DATA ApS
teoriklart.dkNHL DATA ApS
teoriproven.dkPunktum dk A/S (direct)
teoritestonline.dkNHL DATA ApS
teoriundervisning.dkNHL DATA ApS
undervisningssystem.dkNHL DATA ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
61ms
A
60ms
MX
40ms
AAAA
40ms
TXT
245ms
CAA
59ms
HTTPS
45ms
TLSA
53ms
SOA
61ms
MTA-STS
58ms
DNSSEC
83ms
SRV
121ms
Total
724ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 07:23:03 626ms 4 NS 2 A 0 MX 🔓 Insecure
2026-09-24 01:19:01 9449ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-27 15:54:14 1682ms 4 NS 0 A 0 MX 🔓 Insecure
2026-06-23 03:04:48 shown 724ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-22 20:47:13 2556ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-17 13:35:47 2230ms 4 NS 2 A 0 MX 🔓 Insecure
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