coursemakers.dk

📜 Historical scan 2026-09-18 01:35:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coursemakers.dk is a .dk domain served by 2 nameservers (ns5.dkhotel.dk, ns6.dkhotel.dk). It was registered on 29 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.189.131.11 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mxf01.dkhotel.dk. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.dkhotel.dk	195.189.131.3	ns5.dkhotel.dk	AS62121 Christian Ebsen ApS
ns6.dkhotel.dk	95.85.45.86	droplet1.bitguardians.com	AS14061 DigitalOcean, LLC

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.189.131.11	86400s	virakx.dkhotel.dk	AS62121	Christian Ebsen ApS	195.189.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	mxf01.dkhotel.dk	195.189.131.35	mxf01.dkhotel.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.189.131.11
🔶 Autoconfig	195.189.131.11

🔷 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 2026-10-11 11:35:10

www	195.189.131.11 (AS62121) (address records, no CNAME)
www vs bare domain	Same network coursemakers.dk: 195.189.131.11 (AS62121) www.coursemakers.dk: 195.189.131.11 (AS62121)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2056ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2021082105
Primary NS (MNAME)	ns5.dkhotel.dk
Responsible (RNAME)	postmaster@dkhotel.dk
Refresh	3600s
Retry	900s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 13:58:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-12-29
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

49ms

50ms

AAAA

50ms

TXT

238ms

CAA

50ms

HTTPS

57ms

TLSA

81ms

SOA

0ms

MTA-STS

58ms

DNSSEC

2056ms

SRV

85ms

Total

2823ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 18:49:10	2797ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 01:35:28 shown	2823ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 20:32:57	651ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 00:29:39	2095ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 17:03:40	699ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 22:39:38	926ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 18:45:17	1175ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 03:58:07	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 22:36:08	582ms	2 NS 1 A 1 MX	🔓 Insecure