fjbk.dk

📜 Historical scan 2026-09-08 09:38:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fjbk.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 14 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.95.230 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. 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 105ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.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 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.95.230	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.11	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 145ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5fe6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:950b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 107ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.230,172.67.149.11 ech=AEX+DQBBUgAgACAqjPK+N+OiSof2EMXKOdrqYiiXZBziT3JxDnOy9PUcEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5fe6,2606:4700:3037::ac43:950b

📝 TXT Records#

1 records 243ms

TXT Record
v=spf1 include:_spf.one.com ~all

✉️ SPF#

Policy	Record (fjbk.dk)
~all (soft fail)	v=spf1 include:_spf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.fjbk.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 06:11:25

www	104.21.95.230 172.67.149.11 2606:4700:3031::6815:5fe6 2606:4700:3037::ac43:950b (AS13335) (address records, no CNAME)
www vs bare domain	Same network fjbk.dk: 104.21.95.230 172.67.149.11 2606:4700:3031::6815:5fe6 2606:4700:3037::ac43:950b (AS13335) www.fjbk.dk: 104.21.95.230 172.67.149.11 2606:4700:3031::6815:5fe6 2606:4700:3037::ac43:950b (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fjbk.dk	UBC5pXCFvEeUoE_Jz4kpcOo5QtZvfXBlb6TaX3kjMSc
TXT	_acme-challenge.fjbk.dk	qGmke_naA2Z-bV33L0jpZmdssCHcd5pqEw-rtGBNBJw

🔗 TLSA / DANE#

4 records 782ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC#

172ms

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	2413868193
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 00:41:42

Field	Value
Registrar	ONE.COM A/S
Registered	2012-02-14
Expires	2027-02-28 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

105ms

119ms

122ms

AAAA

145ms

TXT

243ms

CAA

117ms

HTTPS

107ms

TLSA

782ms

SOA

0ms

MTA-STS

130ms

DNSSEC

172ms

SRV

142ms

Total

2417ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 00:28:19	501ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-03 00:23:50	1017ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 23:07:50	1350ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-22 21:33:59	1578ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-15 20:45:39	1061ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-08 09:38:50 shown	2417ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-30 08:01:48	2179ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 19:49:44	759ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 19:15:10	989ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-21 02:06:18	10125ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-30 10:54:18	1083ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-21 08:20:01	613ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 10:04:53	852ms	2 NS 2 A 4 MX	🔓 Insecure