cbt.dk

📜 Historical scan 2026-06-16 19:50:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbt.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It 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. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no 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 49ms

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

🌍 A Records#

1 records 101ms

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#

4 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 17:06:21

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

🔗 TLSA / DANE#

4 records 68ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

157ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2024032700
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

101ms

80ms

AAAA

68ms

TXT

400ms

CAA

56ms

HTTPS

54ms

TLSA

68ms

SOA

56ms

MTA-STS

49ms

DNSSEC

157ms

SRV

0ms

Total

957ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 13:22:36	655ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-25 00:15:46	2294ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-23 07:06:28	910ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:22:55	12597ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-16 19:50:08 shown	957ms	2 NS 1 A 4 MX	🔓 Insecure