f5erhvervsnetvaerk.dk

📜 Historical scan 2026-09-14 04:30:34  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5erhvervsnetvaerk.dk is a .dk domain served by 2 nameservers (lady.ns.cloudflare.com, yahir.ns.cloudflare.com). It was registered on 1 September 2026 (WHOIS) and first appeared in the .dk zone on 2 September 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   200ms
NameserverIP addressesPTRASN / 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#

PolicyRecord (_dmarc.f5erhvervsnetvaerk.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:rua+jdjqrzvtvq7x@dmarcwise.email;

📬 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 2026-10-08 05:47:01
www104.21.50.11 172.67.198.252 2606:4700:3030::6815:320b 2606:4700:3035::ac43:c6fc (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

254ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2413979436
Primary NS (MNAME)lady.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-23 20:26:33
FieldValue
RegistrarCURANET A/S
Registered2026-09-01
Expires2027-08-31 (309d)

🔗 Same registrant#

23 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).

DomainRegistrar
businessinstitute-mbauddannelse.dkCURANET A/S
businessinstitute-uddannelse.dkCURANET A/S
businessinstitute-uddannelser.dkCURANET A/S
ceresbyentappehaller.dkCURANET A/S
event-venue.dkCURANET A/S
f5-danmark.dkCURANET A/S
f5-dev.dkCURANET A/S
f5-nordic.dkCURANET A/S
f5danmark.dkCURANET A/S
f5inspiration.dkCURANET A/S
f5kontakt.dkCURANET A/S
f5ledelse.dkCURANET A/S
f5leder.dkCURANET A/S
f5lederforum.dkCURANET A/S
f5ledernetvaerk.dkCURANET A/S
f5lederskab.dkCURANET A/S
f5netvaerket.dkCURANET A/S
f5network.dkCURANET A/S
f5nordic.dkCURANET A/S
f5strategi.dkCURANET A/S
f5udvikling.dkCURANET A/S
santarosa.dkCURANET A/S
tuborgtappehaller.dkCURANET A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
200ms
A
81ms
MX
212ms
AAAA
145ms
TXT
567ms
CAA
196ms
HTTPS
129ms
TLSA
50ms
SOA
0ms
MTA-STS
235ms
DNSSEC
254ms
SRV
225ms
Total
3344ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-04 23:45:51 680ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 22:38:42 636ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 23:02:32 635ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-14 04:30:34 shown 3344ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-02 08:54:07 742ms 2 NS 0 A 0 MX 🔓 Insecure
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