cklassen.dk

📜 Historical scan 2026-06-16 21:04:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cklassen.dk is a .dk domain served by 2 nameservers (ns1.azehosting.net, ns2.azehosting.net). It was registered on 6 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 168.119.144.139 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by cklassen.dk. 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 4855ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	—	—	—
ns2.azehosting.net	—	—	—

🌍 A Records#

1 records 5213ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.144.139	—	cp02.azehosting.net	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 3266ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cklassen.dk	168.119.144.139	cp02.azehosting.net	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 5508ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b02:59b::2	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 7853ms

TXT Record
v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

✉️ SPF#

Policy	Record (cklassen.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net ~all

📨 DMARC#

Policy	Record (_dmarc.cklassen.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 01:59:08

www CNAME	cklassen.dk (all on cklassen.dk) → 168.119.144.139 2a01:4f8:2b02:59b::2 (AS24940)
www vs bare domain	Same network cklassen.dk: 168.119.144.139 2a01:4f8:2b02:59b::2 (AS24940) www.cklassen.dk: 168.119.144.139 2a01:4f8:2b02:59b::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

10729ms

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

🏷️ SOA#

5797ms

Field	Value
Serial	2026050201
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-20 10:06:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-09-06
Expires	2026-09-05 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

4855ms

5213ms

3266ms

AAAA

5508ms

TXT

7853ms

CAA

3965ms

HTTPS

3964ms

TLSA

4771ms

SOA

5797ms

MTA-STS

6001ms

DNSSEC

10729ms

SRV

0ms

Total

65535ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 11:46:25	248ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 12:12:11	352ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 09:57:30	565ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-02 18:52:15	915ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 11:52:05	1876ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:07:10	905ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:11:15	506ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:04:39 shown	65535ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:00:45	1571ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:00:10	768ms	2 NS 1 A 1 MX	🔓 Insecure