masterstudies.dk

📜 Historical scan 2026-07-17 23:24:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

masterstudies.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, jay.ns.cloudflare.com). It was registered on 22 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.2 is hosted by Cloudflare, Inc. (AS13335). 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 195ms

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
104.21.33.2	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.49	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 200ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2102	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8b31	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 203ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.33.2,172.67.139.49 ech=AEX+DQBBvwAgACASJMm8HDONiC+qrjQIdP2/lLtNhBx7LYi/Y6X2oMu+ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2102,2606:4700:3036::ac43:8b31

📝 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 2026-10-26 03:41:45

www	104.21.33.2 172.67.139.49 2606:4700:3032::6815:2102 2606:4700:3036::ac43:8b31 (AS13335) (address records, no CNAME)
www vs bare domain	Same network masterstudies.dk: 104.21.33.2 172.67.139.49 2606:4700:3032::6815:2102 2606:4700:3036::ac43:8b31 (AS13335) www.masterstudies.dk: 104.21.33.2 172.67.139.49 2606:4700:3032::6815:2102 2606:4700:3036::ac43:8b31 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

508ms

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	2409763064
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 2026-10-08 06:15:15

Field	Value
Registrar	Eurodns S.A
Registered	2009-01-22
Expires	2027-01-31 (97d)

📋 WHOIS#

⏱️ Lookup Timing#

195ms

223ms

216ms

AAAA

200ms

TXT

626ms

CAA

274ms

HTTPS

203ms

TLSA

274ms

SOA

0ms

MTA-STS

495ms

DNSSEC

508ms

SRV

408ms

Total

2208ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 03:41:45	464ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-24 20:02:40	450ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 00:53:50	485ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 14:46:57	560ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 06:52:48	9405ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 22:34:00	1433ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 22:37:10	2779ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-17 23:24:53 shown	2208ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 00:26:50	813ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 05:03:46	740ms	2 NS 2 A 0 MX	🔓 Insecure