fbku.dk

📜 Historical scan 2026-09-15 12:14:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fbku.dk is a .dk domain served by 2 nameservers (julian.ns.cloudflare.com, kay.ns.cloudflare.com). It was registered on 23 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.7 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. The zone is not DNSSEC-signed, has no 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
julian.ns.cloudflare.com	108.162.195.94 162.159.44.94 172.64.35.94 2606:4700:58::a29f:2c5e 2803:f800:50::6ca2:c35e 2a06:98c1:50::ac40:235e	julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kay.ns.cloudflare.com	108.162.192.125 172.64.32.125 173.245.58.125 2606:4700:50::adf5:3a7d 2803:f800:50::6ca2:c07d 2a06:98c1:50::ac40:207d	kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.7	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.68	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166 185.230.214.166 185.230.214.166 185.230.214.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	600s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	600s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2d07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cf44	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=104.21.45.7,172.67.207.68 ech=AEX+DQBBmQAgACAng2YnjG0J4utJNven/M2FNJ1NThjAJXgPh4QV32b2PAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2d07,2606:4700:3035::ac43:cf44

📝 TXT Records#

2 records 166ms

TXT Record
google-site-verification=JtPaDEeOtdvhcmNSLxmKRwRk37q8K3AEtSX2wJeluo8
v=spf1 include:zohomail.eu -all

✉️ SPF#

Policy	Record (fbku.dk)
-all (hard fail)	v=spf1 include:zohomail.eu -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-17 07:42:14

www	188.114.96.1 188.114.97.1 2606:4700:3031::6815:2d07 2606:4700:3035::ac43:cf44 (AS13335) (address records, no CNAME)
www vs bare domain	Same network fbku.dk: 188.114.96.1 188.114.97.1 2606:4700:3031::6815:2d07 2606:4700:3035::ac43:cf44 (AS13335) www.fbku.dk: 188.114.96.1 188.114.97.1 2606:4700:3031::6815:2d07 2606:4700:3035::ac43:cf44 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414713534
Primary NS (MNAME)	julian.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 08:10:28

Field	Value
Registrar	Simply.com A/S
Registered	2025-06-23
Expires	2027-06-22 (247d)

🔗 Same registrant#

3 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
happenings.dk	Punktum dk A/S (direct)
sangetiljul.dk	Punktum dk A/S (direct)
ungdommen.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

31ms

30ms

38ms

AAAA

35ms

TXT

166ms

CAA

29ms

HTTPS

49ms

TLSA

63ms

SOA

0ms

MTA-STS

56ms

DNSSEC

118ms

SRV

53ms

Total

815ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 07:42:13	2524ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 07:08:00	1719ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-15 12:14:25 shown	815ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-03 13:16:50	1513ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-20 14:50:35	1901ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-19 12:15:22	1301ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-08 04:02:50	1290ms	2 NS 0 A 3 MX	🔓 Insecure
2026-07-16 03:53:54	1283ms	2 NS 0 A 3 MX	🔓 Insecure
2026-06-25 06:33:53	811ms	2 NS 0 A 3 MX	🔓 Insecure
2026-06-24 01:46:54	2697ms	2 NS 0 A 3 MX	🔓 Insecure
2026-06-22 11:39:30	1140ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:25:49	702ms	2 NS 0 A 3 MX	🔓 Insecure