f5udvikling.dk

📜 Historical scan 2026-09-16 11:21:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5udvikling.dk is a .dk domain served by 2 nameservers (lady.ns.cloudflare.com, yahir.ns.cloudflare.com). It 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 112ms

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.f5udvikling.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:rua+01xq8ugxd4iz@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 2026-10-09 04:03:57

www	104.21.31.253 172.67.181.225 2606:4700:3033::ac43:b5e1 2606:4700:3036::6815:1ffd (AS13335) (address records, no CNAME)
www vs bare domain	Same network f5udvikling.dk: 104.21.31.253 172.67.181.225 2606:4700:3033::ac43:b5e1 2606:4700:3036::6815:1ffd (AS13335) www.f5udvikling.dk: 104.21.31.253 172.67.181.225 2606:4700:3033::ac43:b5e1 2606:4700:3036::6815:1ffd (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.f5udvikling.dk	Gz4MG4GkgpV5goY8hdWTWbigk6lPl8UrQQXCFTqlzbI
TXT	_acme-challenge.f5udvikling.dk	jAQcgBrZ7DZLY43jeougIOOXvc_mJETAfAiHK7E7sLQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms

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	2414972054
Primary NS (MNAME)	lady.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

112ms

117ms

78ms

AAAA

124ms

TXT

381ms

CAA

109ms

HTTPS

103ms

TLSA

31ms

SOA

0ms

MTA-STS

113ms

DNSSEC

190ms

SRV

151ms

Total

674ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:46:34	584ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 12:28:27	9435ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 13:13:36	649ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 11:21:27 shown	674ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-02 08:55:54	889ms	2 NS 0 A 0 MX	🔓 Insecure