ctsm.dk

📜 Historical scan 2026-06-16 23:11:07 · ← 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 2040ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	—	—	—
b.portsdns.net	—	—	—

🌍 A Records#

1 records 2034ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.14.90.203	—	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 194ms

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#

2057ms

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

🏷️ SOA#

2034ms

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#

2040ms

2034ms

2038ms

AAAA

2038ms

TXT

194ms

CAA

2036ms

HTTPS

2040ms

TLSA

37ms

SOA

2034ms

MTA-STS

74ms

DNSSEC

2057ms

SRV

0ms

Total

2306ms

🕐 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	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 shown	2306ms	2 NS 1 A 0 MX	🔓 Insecure