academiccourses.dk

📜 Historical scan 2026-08-18 00:14:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

academiccourses.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, jay.ns.cloudflare.com). It was registered on 19 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.170 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mfwd.ebrandservices.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 181ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 223ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.170	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 211ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mfwd.ebrandservices.com	80.92.65.53	mfwd.ebrandservices.com	AS24611 Datacenter Luxembourg S.A.

🔷 AAAA Records (IPv6)#

2 records 209ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a453	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:49aa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 224ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.170,172.67.164.83 ech=AEX+DQBBqgAgACAAjLRW0Z2Qtmw37m4dw9ha6nQa8nTZz3KALGxnAvMjOgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a453,2606:4700:3034::6815:49aa

📝 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 2026-10-16 16:24:12

www	104.21.73.170 172.67.164.83 2606:4700:3033::ac43:a453 2606:4700:3034::6815:49aa (AS13335) (address records, no CNAME)
www vs bare domain	Same network academiccourses.dk: 104.21.73.170 172.67.164.83 2606:4700:3033::ac43:a453 2606:4700:3034::6815:49aa (AS13335) www.academiccourses.dk: 104.21.73.170 172.67.164.83 2606:4700:3033::ac43:a453 2606:4700:3034::6815:49aa (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

465ms

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	2412475050
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 20:41:13

Field	Value
Registrar	Eurodns S.A
Registered	2014-08-19
Expires	2027-08-31 (318d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
bachelorstudies.dk	Eurodns S.A
finduddannelse.dk	Eurodns S.A
healthcarestudies.dk	Eurodns S.A
jobrettetkursus.dk	Eurodns S.A
kurserforledige.dk	Eurodns S.A
lawstudies.dk	Eurodns S.A
onlinestudies.dk	Eurodns S.A
studentum.dk	Eurodns S.A

📋 WHOIS#

⏱️ Lookup Timing#

181ms

223ms

211ms

AAAA

209ms

TXT

824ms

CAA

207ms

HTTPS

224ms

TLSA

218ms

SOA

0ms

MTA-STS

359ms

DNSSEC

465ms

SRV

278ms

Total

3319ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 16:24:12	499ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 17:49:35	764ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 00:14:07 shown	3319ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 18:06:12	934ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 21:49:19	1672ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 00:39:51	449ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 19:39:15	568ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:17:10	519ms	2 NS 2 A 1 MX	🔓 Insecure