laerdetnu.dk

📜 Historical scan 2026-06-17 21:39:30  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

laerdetnu.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 28 June 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.209 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, 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#

5 records   71ms
NameserverIP addressesPTRASN / ISP
ns1.gigahost.dk 46.183.139.31 — AS47292 Sentia Denmark A/S
ns2.gigahost.dk 46.183.139.222 web22.gigahost.dk AS47292 Sentia Denmark A/S
ns3.gigahost.dk 71.19.249.71 ns3.gigahost.dk AS11831 eSecureData
ns4.gigahost.dk 51.79.215.130 ns4.gigahost.dk AS16276 OVH SAS
ns5.gigahost.dk 77.74.192.83 ns5.gigahost.dk AS42831 UK Dedicated Servers Limited

🌍 A Records#

1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.139.209 — web9.gigahost.dk AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   233ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
10 — mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
10 — mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverlaerdetnu.dk → 46.183.139.209
🔶 Autoconfiglaerdetnu.dk → 46.183.139.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   124ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

2 records   285ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF#

PolicyRecord (laerdetnu.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC#

PolicyRecord (_dmarc.laerdetnu.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 2026-10-15 22:34:19
www CNAMElaerdetnu.dk (all on laerdetnu.dk)
www vs bare domainSame network
laerdetnu.dk: 46.183.139.209 (AS47292)
www.laerdetnu.dk: 46.183.139.209 (AS47292)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

70ms
FieldValue
Serial2026061101
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@laerdetnu.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-21 16:30:56
FieldValue
RegistrarGIGAHOST ApS
Registered2007-06-28
Expires2027-06-30 (251d)

🔗 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
3tc.dkGIGAHOST ApS
akupunktet.dkGIGAHOST ApS
fosyd.dkPunktum dk A/S (direct)
hjertestop-kursus.dkGIGAHOST ApS
hjertestopkursus.dkGIGAHOST ApS
ivip.dkGIGAHOST ApS
lærdetnu.dkGIGAHOST ApS
route-safe.dkPunktum dk A/S (direct)
routesafe.dkPunktum dk A/S (direct)
s-yndig.dkGIGAHOST ApS
secure4sure.dkPunktum dk A/S (direct)
ss-security.dkGIGAHOST ApS
webholm.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
71ms
A
39ms
MX
233ms
AAAA
63ms
TXT
285ms
CAA
37ms
HTTPS
40ms
TLSA
53ms
SOA
70ms
MTA-STS
44ms
DNSSEC
95ms
SRV
124ms
Total
738ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 22:34:19 763ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-09 14:00:26 848ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 19:49:46 1528ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 18:36:33 882ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-26 17:36:17 905ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 08:08:58 711ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-20 05:06:53 861ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-13 03:42:42 9730ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-09 21:54:27 1091ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-02 21:41:40 847ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-28 07:45:54 9710ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-27 11:17:59 1616ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-26 11:09:20 895ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-20 08:25:54 1311ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-14 20:02:19 3478ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-06 23:13:05 1425ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-02 16:30:35 1396ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 06:17:50 24927ms 5 NS 1 A 3 MX ❓ Unknown
2026-07-17 00:10:21 889ms 5 NS 1 A 3 MX ❓ Unknown
2026-07-13 13:34:18 8611ms 5 NS 1 A 3 MX ❓ Unknown
2026-07-03 11:26:39 1855ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-25 22:21:44 2145ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-25 08:19:33 929ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-19 16:47:36 1047ms 5 NS 1 A 3 MX ⚠️ Bogus
2026-06-18 12:03:01 3313ms 5 NS 1 A 3 MX ⚠️ Bogus
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