ctsm.dk

📜 Historical scan 2026-06-24 19:06:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctsm.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 4 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.14.90.203 is hosted by Tele2 SWIPnet (AS1257) in Sweden. 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#

2 records 557ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	— —	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	— —	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records 282ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.14.90.203	30s	redirect.portsit.se	AS1257	Tele2 SWIPnet	193.12.0.0/14	🇸🇪 Sweden	Malmö

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 830ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (ctsm.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.ctsm.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:3fb658a1@inbox.eu.redsift.cloud; ruf=mailto:3fb658a1@inbox.eu.redsift.cloud;

📬 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 2026-10-12 09:41:42

www	193.14.90.203 (AS1257) (address records, no CNAME)
www vs bare domain	Same network ctsm.dk: 193.14.90.203 (AS1257) www.ctsm.dk: 193.14.90.203 (AS1257)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

367ms

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

🏷️ SOA#

603ms

Field	Value
Serial	2025090401
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	14400s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 10:16:21

Field	Value
Registrar	Abion AB
Registered	2010-03-04
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

557ms

282ms

479ms

AAAA

339ms

TXT

830ms

CAA

479ms

HTTPS

357ms

TLSA

102ms

SOA

603ms

MTA-STS

323ms

DNSSEC

367ms

SRV

1846ms

Total

3029ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:47:07	506ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-30 07:33:39	1683ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 13:46:09	716ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-01 11:34:50	642ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-24 19:06:40 shown	3029ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-24 17:11:21	3354ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 23:11:07	2306ms	2 NS 1 A 0 MX	🔓 Insecure