f5gruppe.dk

📜 Historical scan 2026-09-30 21:07:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f5gruppe.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. Its website address 104.21.23.153 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 50ms

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#

2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.153	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.176	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:d3b0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1799	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.153,172.67.211.176 ech=AEX+DQBBNAAgACDDE7vvsEGiLkfEtCjzs2dGyJs627jcF/KPm3RoWE9SLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d3b0,2606:4700:3036::6815:1799

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.f5gruppe.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:rua+yid8xjo51ak1@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 2026-10-16 06:39:33

www	104.21.23.153 172.67.211.176 2606:4700:3032::ac43:d3b0 2606:4700:3036::6815:1799 (AS13335) (address records, no CNAME)
www vs bare domain	Same network f5gruppe.dk: 104.21.23.153 172.67.211.176 2606:4700:3032::ac43:d3b0 2606:4700:3036::6815:1799 (AS13335) www.f5gruppe.dk: 104.21.23.153 172.67.211.176 2606:4700:3032::ac43:d3b0 2606:4700:3036::6815:1799 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

74ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

29ms

Field	Value
Serial	2415728764
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 2026-10-04 22:21:43

Field	Value
Registrar	CURANET A/S
Registered	2026-09-01
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

53ms

43ms

AAAA

74ms

TXT

302ms

CAA

46ms

HTTPS

49ms

TLSA

107ms

SOA

29ms

MTA-STS

79ms

DNSSEC

74ms

SRV

64ms

Total

784ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 21:30:11	2804ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 21:07:52 shown	784ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 19:27:50	2440ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 22:56:15	629ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 13:19:16	1245ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-02 08:47:11	672ms	2 NS 0 A 0 MX	🔓 Insecure