onlineskolen.dk

📜 Historical scan 2026-08-12 17:26:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlineskolen.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 9 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.254.168.193 is hosted by Aarhus Business College (AS51073) in Denmark. The zone is DNSSEC-signed and validates, has no 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#

3 records   258ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation

🌍 A Records#

1 records   211ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.168.193 3600s — AS51073 Aarhus Business College 195.254.168.0/23 🇩🇰 Denmark Højbjerg

📧 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   437ms
TXT Record
@ventures

✉️ 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#

latest probe, not this scan · checked 2026-10-19 18:52:07
www CNAMEak-ven-web-02.efif.dk (all on efif.dk)
www vs bare domainwww does not resolve
onlineskolen.dk: 195.254.168.193 (AS51073)
www.onlineskolen.dk: no address
(all like this)
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

360ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2011070600
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-07 22:56:30
FieldValue
RegistrarAarhus Business College
Registered1999-06-09
Expires2027-06-30 (251d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
258ms
A
211ms
MX
219ms
AAAA
239ms
TXT
437ms
CAA
274ms
HTTPS
252ms
TLSA
1222ms
SOA
0ms
MTA-STS
267ms
DNSSEC
360ms
SRV
265ms
Total
3688ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 18:52:07 710ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-16 17:34:17 393ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-15 17:29:20 4337ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-08 22:42:07 748ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-07 22:38:11 2681ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-02 19:08:13 3069ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-29 18:40:07 1136ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-27 18:15:41 3939ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-23 17:16:50 417ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-17 03:50:24 13195ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-17 02:32:01 3262ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-12 02:45:39 6875ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-05 02:04:13 514ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-04 00:45:45 446ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-30 16:33:06 1950ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-26 22:19:22 411ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-24 22:19:30 2463ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-18 20:20:27 5527ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-12 17:26:04 shown 3688ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-09 18:14:01 3833ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-08 01:19:28 4519ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-01 21:10:03 4615ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-26 16:55:07 2420ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-24 16:08:52 2301ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-21 04:28:12 11924ms 3 NS 1 A 0 MX 🔒 Secure
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