knbk.dk DNS records

🖥️ Nameservers2 records 40ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.125	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.151	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:307d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9797	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.125,172.67.151.151 ech=AEX+DQBBawAgACAPNIP7kDb4HyvtZAGbjEt7351KvHKGbMmstIjwznWgYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:307d,2606:4700:3035::ac43:9797

📝 TXT Records1 records 190ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.knbk.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

🔗 TLSA / DANE4 records 888ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC90ms

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	2413344841
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 2026-08-18 04:21:01

Field	Value
Registrar	ONE.COM A/S
Registered	2024-09-26
Expires	2026-09-25 (20d)

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

45ms

MX

45ms

AAAA

43ms

TXT

190ms

CAA

51ms

HTTPS

60ms

TLSA

888ms

SOA

0ms

MTA-STS

82ms

DNSSEC

90ms

SRV

80ms

Total

1577ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 05:32:01	1577ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-09-01 00:46:07	749ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-28 02:55:15	672ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-27 01:40:17	697ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-18 04:20:18	1242ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-16 19:13:50	3837ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-16 17:25:35	882ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-07 03:37:13	8941ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 14:12:43	9756ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 03:41:33	1004ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 14:19:36	2057ms	2 NS 1 A 4 MX	🔒 Secure	View