onlineskolen.dk

📜 Historical scan 2026-06-24 12:27:46 · ← 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 162ms

Nameserver	IP addresses	PTR	ASN / 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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 226ms

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 CNAME	ak-ven-web-02.efif.dk (all on efif.dk)
www vs bare domain	www does not resolve onlineskolen.dk: 195.254.168.193 (AS51073) www.onlineskolen.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

53ms

Field	Value
Serial	2011070588
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 22:56:30

Field	Value
Registrar	Aarhus Business College
Registered	1999-06-09
Expires	2027-06-30 (250d)

📋 WHOIS#

⏱️ Lookup Timing#

162ms

44ms

AAAA

113ms

TXT

226ms

CAA

73ms

HTTPS

80ms

TLSA

115ms

SOA

53ms

MTA-STS

31ms

DNSSEC

77ms

SRV

134ms

Total

593ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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