fjbk.dk DNS records

🖥️ Nameservers2 records 127ms

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 Records2 records 159ms

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 Records4 records 177ms

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 132ms

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 Records1 records 124ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.230,172.67.149.11 ech=AEX+DQBBcAAgACBV/Zb5wHhwHaTFZTaHf11B2qZwTkWmffxMbdJAki9BNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5fe6,2606:4700:3037::ac43:950b

📝 TXT Records1 records 356ms

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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.fjbk.dk	gdSj5KIfMDCJ6PbNrN4KWGJZ3UZ5fzbBux_6u5DnPgE
TXT	_acme-challenge.fjbk.dk	Y4be0oop8mXVHLrpC5mUNgKjcaeZPZdiSrE0ETYvNp4

🔗 TLSA / DANE4 records 222ms

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…

🔐 DNSSEC276ms

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

🏷️ SOA0ms

Field	Value
Serial	2413474793
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-21 02:12:42

Field	Value
Registrar	ONE.COM A/S
Registered	2012-02-14
Expires	2027-02-28 (177d)

📋 WHOIS

⏱️ Lookup Timing

NS

127ms

A

159ms

MX

177ms

AAAA

132ms

TXT

356ms

CAA

133ms

HTTPS

124ms

TLSA

222ms

SOA

0ms

MTA-STS

156ms

DNSSEC

276ms

SRV

188ms

Total

2179ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 08:01:48	2179ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-27 19:49:44	759ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-26 19:15:10	989ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-21 02:06:18	10125ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-30 10:54:18	1083ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-21 08:20:01	613ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-17 10:04:53	852ms	2 NS 2 A 4 MX	🔓 Insecure	View