cacs.dk

📜 Historical scan 2026-09-16 00:54:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cacs.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 13 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.64 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by cacs.dk. The zone is DNSSEC-signed and validates, 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	195.242.131.5 2001:67c:564:fffc::11	ns1.e-studio.dk ns1.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.e-studio.dk	2a00:1b18:2:3::2 62.69.152.34	ns2.e-studio.dk ns2.e-studio.dk	AS47527 DLX A/S AS47527 DLX A/S
ns3.e-studio.dk	193.200.90.183 2001:67c:564:fffc::13	ns3.e-studio.dk ns3.e-studio.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.131.64	14400s	web2.e-studio.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	cacs.dk	195.242.131.64	web2.e-studio.dk	AS62121 Christian Ebsen ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.242.131.64
🔶 Autoconfig	195.242.131.64

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 53ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

2 records 124ms

TXT Record
_dmarc.cacs.dkv=DMARC1; p=reject; adkim=s; aspf=s;
v=spf1 +ip4:195.242.131.64 +include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (cacs.dk)
-all (hard fail)	v=spf1 +ip4:195.242.131.64 +include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.cacs.dk)
p=reject	v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-09 01:45:58

www CNAME	cacs.dk (all on cacs.dk) → 195.242.131.64 (AS62121)
www vs bare domain	Same network cacs.dk: 195.242.131.64 (AS62121) www.cacs.dk: 195.242.131.64 (AS62121)
Wildcard	No
Denial of existence	NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cacs.dk	TImCBzbIpelgNtG2_i2BislH-skAb_voX3dvpSy9yWA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091401
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#

WHOIS fetched 2026-10-05 23:55:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-09-13
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

32ms

36ms

AAAA

33ms

TXT

124ms

CAA

34ms

HTTPS

42ms

TLSA

48ms

SOA

0ms

MTA-STS

51ms

DNSSEC

68ms

SRV

53ms

Total

432ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 23:43:13	389ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-16 00:54:15 shown	432ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-15 18:32:37	654ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-16 16:32:33	8857ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:46:14	2525ms	3 NS 1 A 1 MX	🔒 Secure