ckv.dk

📜 Historical scan 2026-06-16 21:06:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ckv.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 11 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.104 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a 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 2049ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	—	—	—
kiki.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 2047ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.104	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.189	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 2053ms

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

🔷 AAAA Records (IPv6)#

2 records 2065ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:bdbd	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3168	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 2052ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.104,172.67.189.189 ech=AEX+DQBBFgAgACCwNFLgRRTjCPoQPifC2po/IvrwYwTTzGDqxOmWREutYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bdbd,2606:4700:3035::6815:3168

📝 TXT Records#

1 records 2156ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ckv.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-10 02:02:16

www	104.21.49.104 172.67.189.189 2606:4700:3030::6815:3168 2606:4700:3035::ac43:bdbd (AS13335) (address records, no CNAME)
www vs bare domain	Same network ckv.dk: 104.21.49.104 172.67.189.189 2606:4700:3030::6815:3168 2606:4700:3035::ac43:bdbd (AS13335) www.ckv.dk: 104.21.49.104 172.67.189.189 2606:4700:3030::6815:3168 2606:4700:3035::ac43:bdbd (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 87ms

Service / Owner	Type	Cert 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#

2068ms

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

🏷️ SOA#

2055ms

Field	Value
Serial	2406832571
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 17:50:41

Field	Value
Registrar	Simply.com A/S
Registered	1999-01-11
Expires	2036-03-31 (3447d)

🔗 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#

2049ms

2047ms

2053ms

AAAA

2065ms

TXT

2156ms

CAA

2049ms

HTTPS

2052ms

TLSA

87ms

SOA

2055ms

MTA-STS

2047ms

DNSSEC

2068ms

SRV

0ms

Total

2547ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 02:02:16	567ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 23:22:47	507ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 20:26:25	467ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 11:26:52	578ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 02:23:37	903ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 19:49:19	9028ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 06:53:14	763ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 07:54:07	617ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 07:51:15	4463ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-15 15:36:50	1050ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 21:55:41	571ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 21:06:00 shown	2547ms	2 NS 2 A 1 MX	🔓 Insecure