onlinecourselab.dk

📜 Historical scan 2026-07-24 04:47:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlinecourselab.dk is a .dk domain served by 2 nameservers (george.ns.cloudflare.com, heather.ns.cloudflare.com). It was registered on 3 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.214.48.22 is hosted by Amazon.com, Inc. (AS14618) in United States. The zone is not DNSSEC-signed, 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#

2 records   39ms

🌍 A Records#

1 records   41ms

📧 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#

📝
No TXT records found

✉️ 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 2026-10-21 01:34:36
www CNAMErasmus.simplero.com (all on simplero.com)
www vs bare domainSame network
onlinecourselab.dk: 34.228.154.79 (AS14618)
www.onlinecourselab.dk: 34.228.154.79 35.170.205.142 (AS14618)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2058ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2410330917
Primary NS (MNAME)george.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 05:05:16
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-04-03
Expires2027-04-30 (187d)

🔗 Same registrant#

26 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
41ms
MX
34ms
AAAA
43ms
TXT
176ms
CAA
34ms
HTTPS
41ms
TLSA
99ms
SOA
0ms
MTA-STS
49ms
DNSSEC
2058ms
SRV
57ms
Total
2757ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 01:34:36 475ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-30 14:50:13 1232ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-25 05:36:19 483ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-23 19:20:46 742ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-26 03:38:01 884ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-25 05:19:33 991ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-24 04:47:36 shown 2757ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-27 20:12:19 781ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-17 11:59:48 848ms 2 NS 1 A 0 MX 🔓 Insecure
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