f5-dev.dk

📜 Historical scan 2026-07-24 09:19:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5-dev.dk is a .dk domain served by 2 nameservers (lady.ns.cloudflare.com, yahir.ns.cloudflare.com). It was registered on 6 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yahir.ns.cloudflare.com	108.162.195.34 162.159.44.34 172.64.35.34 2606:4700:58::a29f:2c22 2803:f800:50::6ca2:c322 2a06:98c1:50::ac40:2322	yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 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#

Policy	Record (_dmarc.f5-dev.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua+9q6okykp2zms@dmarcwise.email;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:rua+9q6okykp2zms@dmarcwise.email

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 21:09:26

www	NXDOMAIN
www vs bare domain	Neither resolves f5-dev.dk: no address www.f5-dev.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2048ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2410324849
Primary NS (MNAME)	lady.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 07:13:30

Field	Value
Registrar	CURANET A/S
Registered	2025-09-06
Expires	2027-09-05 (322d)

🔗 Same registrant#

7 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
businessinstitute-mbauddannelse.dk	CURANET A/S
businessinstitute-uddannelse.dk	CURANET A/S
f5-danmark.dk	CURANET A/S
f5danmark.dk	CURANET A/S
f5ledernetvaerk.dk	CURANET A/S
f5network.dk	CURANET A/S
f5nordic.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

32ms

AAAA

40ms

TXT

245ms

CAA

32ms

HTTPS

38ms

TLSA

38ms

SOA

0ms

MTA-STS

47ms

DNSSEC

2048ms

SRV

51ms

Total

2588ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:09:26	581ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-30 19:01:56	585ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-26 21:35:57	480ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-24 04:08:09	518ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-21 21:17:46	1194ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-27 13:49:37	678ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-27 08:38:58	519ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-26 08:37:36	2354ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-24 09:19:44 shown	2588ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-01 21:33:36	814ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-28 15:32:44	1755ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-27 19:44:27	789ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-17 09:10:37	898ms	2 NS 0 A 0 MX	🔓 Insecure