onlineskolen.dk

📜 Historical scan 2026-08-09 18:14:01  ·  ← 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   1582ms
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   48ms
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   1860ms
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#

1342ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2011070599
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 (250d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
1582ms
A
48ms
MX
58ms
AAAA
1578ms
TXT
1860ms
CAA
1584ms
HTTPS
63ms
TLSA
1613ms
SOA
0ms
MTA-STS
1650ms
DNSSEC
1342ms
SRV
1734ms
Total
3833ms

🕐 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 3688ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-09 18:14:01 shown 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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