cksolutions.dk

📜 Historical scan 2026-09-13 00:10:01  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   49ms
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   35ms
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   56ms
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
🔷 Autodiscover104.21.59.253
🔶 Autoconfig172.67.186.158

🔷 AAAA Records (IPv6)#

2 records   34ms
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   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.59.253,172.67.186.158 ech=AEX+DQBB/AAgACC6py3STpC8LIPPq6nlCSlZW4X8D+yZJ/BNf2TOi9lOJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ba9e,2606:4700:3035::6815:3bfd

📝 TXT Records#

1 records   209ms
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#

latest probe, not this scan · 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#

2 records   70ms
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 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

127ms
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
49ms
A
35ms
MX
56ms
AAAA
34ms
TXT
209ms
CAA
46ms
HTTPS
39ms
TLSA
70ms
SOA
0ms
MTA-STS
73ms
DNSSEC
127ms
SRV
78ms
Total
1257ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 00:04:18 738ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-13 00:10:01 shown 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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