ctsalg.dk

📜 Historical scan 2026-09-27 02:42:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctsalg.dk is a .dk domain served by 2 nameservers (ns01.brandshelter.com, ns02.brandshelter.net). It was registered on 24 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.123.52.199 is hosted by froxlor GmbH (AS207048) in Germany. Mail is handled by mail.ctsalg.dk. The zone is not DNSSEC-signed, has no 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.brandshelter.com	2a04:2b00:14cc::15	ns15.i.centralnic-dns.com	AS1921 ipcom GmbH
ns02.brandshelter.net	2a04:2b00:14dd::16	ns16.j.centralnic-dns.com	AS1921 ipcom GmbH

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.123.52.199	300s	sslfwd.questeldomains.com	AS207048	froxlor GmbH	185.123.52.0/24	🇩🇪 Germany	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.ctsalg.dk	195.190.146.81	web02.webpuccino.com	AS60781 LeaseWeb Netherlands B.V.

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a10:ec6:1:3:185:123:52:199	300s	sslfwd.questeldomains.com	AS207048	froxlor GmbH	2a10:ec0:0:0:0:0:0:0/29	🇩🇪 Germany	—

🔐 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 2026-10-10 07:32:37

www	195.41.106.131 (AS3292) (address records, no CNAME)
www vs bare domain	Different networks ctsalg.dk: 185.123.52.199 2a10:ec6:1:3:185:123:52:199 (AS207048) www.ctsalg.dk: 195.41.106.131 (AS3292) (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024062102
Primary NS (MNAME)	ns01.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 09:24:04

Field	Value
Registrar	Key-Systems GmbH
Registered	2000-10-24
Expires	2027-12-31 (440d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

37ms

45ms

AAAA

45ms

TXT

231ms

CAA

44ms

HTTPS

42ms

TLSA

176ms

SOA

0ms

MTA-STS

63ms

DNSSEC

72ms

SRV

72ms

Total

765ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:15:38	739ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 02:42:30 shown	765ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 21:25:51	3610ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 04:30:09	2609ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-04 17:45:45	4306ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 18:31:58	746ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 23:10:35	675ms	2 NS 1 A 1 MX	🔓 Insecure