f5danmark.dk

📜 Historical scan 2026-06-20 01:30:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5danmark.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. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 1123ms

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#

5 records 1122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.1.26 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b	lb-in-f26.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 1690ms

TXT Record
google-site-verification=tdJjF7jrbUgbbnGmYja3956u99Z0oyUdbM4k49WrP0Y
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (f5danmark.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.f5danmark.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rua+c4fcyou5sdfm@dmarcwise.email;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:rua+c4fcyou5sdfm@dmarcwise.email

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 03:53:12

www	NXDOMAIN
www vs bare domain	Neither resolves f5danmark.dk: no address www.f5danmark.dk: no address
Wildcard	No

✍️ DKIM keys#

7 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
google	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2242ms

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#

1121ms

Field	Value
Serial	2404481961
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 2026-10-11 13:07:30

Field	Value
Registrar	CURANET A/S
Registered	2025-09-06
Expires	2027-09-05 (323d)

🔗 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
f5-dev.dk	CURANET A/S
f5ledernetvaerk.dk	CURANET A/S
f5network.dk	CURANET A/S
f5nordic.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

1123ms

1122ms

AAAA

1122ms

TXT

1690ms

CAA

1120ms

HTTPS

1122ms

TLSA

2082ms

SOA

1121ms

MTA-STS

1840ms

DNSSEC

2242ms

SRV

198ms

Total

4683ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 04:55:27	2574ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-14 20:12:53	1042ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-27 21:16:30	736ms	2 NS 0 A 5 MX	🔓 Insecure
2026-07-15 16:32:55	1405ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-29 15:23:06	1237ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-20 01:30:11 shown	4683ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-17 09:10:37	1248ms	2 NS 0 A 5 MX	🔓 Insecure