cassen.dk

📜 Historical scan 2026-06-16 19:41:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cassen.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.102 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by cassen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.102	—	web9.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	cassen-dk.mail.protection.outlook.com	52.101.68.10 52.101.68.12 52.101.68.5 52.101.73.11	mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 270ms

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

✉️ SPF#

Policy	Record (cassen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cassen.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 2026-10-08 13:46:09

www CNAME	cassen.dk (all on cassen.dk) → 193.200.90.102 (AS62121)
www vs bare domain	Same network cassen.dk: 193.200.90.102 (AS62121) www.cassen.dk: 193.200.90.102 (AS62121)
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026050101
Primary NS (MNAME)	ns1.e-studio.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

45ms

AAAA

44ms

TXT

270ms

CAA

43ms

HTTPS

44ms

TLSA

94ms

SOA

43ms

MTA-STS

23ms

DNSSEC

134ms

SRV

0ms

Total

2766ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:38:07	799ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-17 21:21:47	1262ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-04 12:00:38	1021ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 01:28:50	1232ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 19:46:00	992ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 19:41:04 shown	2766ms	3 NS 1 A 1 MX	🔓 Insecure