cksolutions.dk

Records from scan: 2026-09-30 00:04:18  ·  738ms total  ·  last checked 2026-10-16 21:28 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cksolutions.dk is a .dk domain served by 2 nameservers (lamar.ns.cloudflare.com, phoenix.ns.cloudflare.com). It was registered on 25 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.253 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   56ms
NameserverIP addressesPTRASN / 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 Records#

2 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.59.253 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.186.158 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   69ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.186.158
🔶 Autoconfig172.67.186.158

🔷 AAAA Records (IPv6)#

2 records   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   63ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.59.253,172.67.186.158 ech=AEX+DQBBeQAgACChcnlRvHVgV0vA/iSQjwiMpGeWL8tgFQCRjBE2VbOtAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ba9e,2606:4700:3035::6815:3bfd

📝 TXT Records#

1 records   350ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (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

🧩 Web & zone#

checked 2026-10-09 02:02:33
www104.21.59.253 172.67.186.158 2606:4700:3033::ac43:ba9e 2606:4700:3035::6815:3bfd (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records   127ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

129ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414636656
Primary NS (MNAME)lamar.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 05:09:27
FieldValue
RegistrarSimply.com A/S
Registered2021-11-25
Expires2026-11-24 (38d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
50ms
MX
69ms
AAAA
46ms
TXT
350ms
CAA
44ms
HTTPS
63ms
TLSA
127ms
SOA
0ms
MTA-STS
65ms
DNSSEC
129ms
SRV
99ms
Total
738ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 00:04:18 shown 738ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-13 00:10:01 1257ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-04 04:10:24 1569ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-31 22:23:49 529ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-19 06:18:41 34944ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-17 06:17:20 9190ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-16 02:19:16 989ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-04 18:46:21 6931ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-25 13:31:26 2003ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 09:55:15 9004ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 22:15:32 65535ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 21:06:07 599ms 4 NS 1 A 1 MX 🔒 Secure
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