cksolutions.dk DNS records

🖥️ Nameservers2 records 232ms

Nameserver	IP addresses	PTR	ASN / ISP
lamar.ns.cloudflare.com	108.162.195.142 162.159.44.142 172.64.35.142 2606:4700:58::a29f:2c8e 2803:f800:50::6ca2:c38e 2a06:98c1:50::ac40:238e	lamar.ns.cloudflare.com lamar.ns.cloudflare.com lamar.ns.cloudflare.com lamar.ns.cloudflare.com lamar.ns.cloudflare.com lamar.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phoenix.ns.cloudflare.com	108.162.194.201 162.159.38.201 172.64.34.201 2606:4700:50::a29f:26c9 2803:f800:50::6ca2:c2c9 2a06:98c1:50::ac40:22c9	phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 2234ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.253	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.158	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 235ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.186.158
🔶 Autoconfig	104.21.59.253

🔷 AAAA Records (IPv6)2 records 245ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ba9e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3bfd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 220ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.253,172.67.186.158 ech=AEX+DQBBLAAgACDcDLWv8n09x9pdFpws3jNgsGUnibkbeOBXsGR0H5uTFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ba9e,2606:4700:3035::6815:3bfd

📝 TXT Records1 records 534ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (cksolutions.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -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

🔗 TLSA / DANE2 records 522ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC362ms

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	2408590749
Primary NS (MNAME)	lamar.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

232ms

A

2234ms

MX

235ms

AAAA

245ms

TXT

534ms

CAA

224ms

HTTPS

220ms

TLSA

522ms

SOA

0ms

MTA-STS

288ms

DNSSEC

362ms

SRV

273ms

Total

6931ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 22:23:49	529ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 06:18:41	34944ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-17 06:17:20	9190ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-16 02:19:16	989ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 18:46:21	6931ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 13:31:26	2003ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 09:55:15	9004ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:15:32	65535ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:06:07	599ms	4 NS 1 A 1 MX	🔒 Secure	View