f5networking.dk

📜 Historical scan 2026-09-23 16:46:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5networking.dk is a .dk domain served by 2 nameservers (lady.ns.cloudflare.com, yahir.ns.cloudflare.com). It was registered on 17 September 2020 (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.f5networking.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua+e7j3684n7bpd@dmarcwise.email;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:rua+e7j3684n7bpd@dmarcwise.email

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 22:05:49

www	NXDOMAIN
www vs bare domain	Neither resolves f5networking.dk: no address www.f5networking.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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	2415473743
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 2026-10-09 16:04:09

Field	Value
Registrar	CURANET A/S
Registered	2020-09-17
Expires	2027-09-30 (343d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

49ms

54ms

AAAA

34ms

TXT

228ms

CAA

43ms

HTTPS

39ms

TLSA

38ms

SOA

0ms

MTA-STS

76ms

DNSSEC

124ms

SRV

75ms

Total

1254ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 22:05:49	1034ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-08 00:33:51	375ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-30 02:27:27	639ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-27 01:54:20	2300ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-23 16:46:43 shown	1254ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-21 00:50:55	1055ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-13 22:44:22	478ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-07 01:38:17	974ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-23 17:56:23	1625ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-03 00:29:50	2644ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-26 17:03:37	752ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-20 07:16:20	642ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-17 09:10:29	643ms	2 NS 0 A 0 MX	🔓 Insecure