copenhagenfreeuniversity.dk

Records from scan: 2026-10-17 14:22:13 · 3710ms total · last checked 2026-10-19 15:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copenhagenfreeuniversity.dk is a .dk domain served by 2 nameservers (fish.ns.cloudflare.com, neil.ns.cloudflare.com). It was registered on 14 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.13 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.h-email.net. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 424ms

Nameserver	IP addresses	PTR	ASN / ISP
fish.ns.cloudflare.com	108.162.194.252 162.159.38.252 172.64.34.252 2606:4700:50::a29f:26fc 2803:f800:50::6ca2:c2fc 2a06:98c1:50::ac40:22fc	fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
neil.ns.cloudflare.com	108.162.193.211 172.64.33.211 173.245.59.211 2606:4700:58::adf5:3bd3 2803:f800:50::6ca2:c1d3 2a06:98c1:50::ac40:21d3	neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.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 391ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.13	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 409ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mail.h-email.net	162.55.164.116 165.227.156.49 165.227.159.144 167.235.143.33 178.62.199.248 49.13.4.90 5.161.194.135 5.161.98.212 5.75.171.74 91.107.214.206	static.116.164.55.162.clients.your-server.de mail3.h-email.net mail2.h-email.net mail.h-email.net mail.h-email.net static.90.4.13.49.clients.your-server.de static.135.194.161.5.clients.your-server.de mail.h-email.net mail.h-email.net static.206.214.107.91.clients.your-server.de	AS24940 Hetzner Online GmbH AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS24940 Hetzner Online GmbH AS14061 DigitalOcean, LLC AS24940 Hetzner Online GmbH AS213230 Hetzner Online GmbH AS213230 Hetzner Online GmbH AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

2 records 445ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 440ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.13,172.67.175.182 ech=AEX+DQBBWgAgACCljesv8Km3jqZjwDEewdBUUlpdkNw8a6N6VX5o3JM3PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:300d,2606:4700:3030::ac43:afb6

📝 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#

checked 2026-10-17 14:22:13

www	104.21.48.13 172.67.175.182 2606:4700:3030::6815:300d 2606:4700:3030::ac43:afb6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network copenhagenfreeuniversity.dk: 104.21.48.13 172.67.175.182 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.copenhagenfreeuniversity.dk: 104.21.48.13 172.67.175.182 2606:4700:3030::6815:300d 2606:4700:3030::ac43:afb6 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

574ms

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

🏷️ SOA#

100ms

Field	Value
Serial	2417666152
Primary NS (MNAME)	fish.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 14:55:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-14
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

424ms

391ms

409ms

AAAA

445ms

TXT

652ms

CAA

396ms

HTTPS

440ms

TLSA

477ms

SOA

100ms

MTA-STS

464ms

DNSSEC

574ms

SRV

498ms

Total

3710ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 14:22:13 shown	3710ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 21:51:50	996ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 15:57:13	2738ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 14:21:55	1329ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 19:19:29	3672ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 19:09:12	888ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 22:25:24	829ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 22:20:15	1320ms	2 NS 2 A 1 MX	🔓 Insecure