cs-nics.dk

📜 Historical scan 2026-06-16 23:05:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cs-nics.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.200.90.180 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by mail.cs-nics.dk. 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#

3 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.e-studio.dk	—	—	—
ns2.e-studio.dk	—	—	—
ns3.e-studio.dk	—	—	—

🌍 A Records#

1 records 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.200.90.180	—	web8.e-studio.dk	AS62121	Christian Ebsen ApS	193.200.90.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mail.cs-nics.dk	193.200.90.180	web8.e-studio.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 99ms

TXT Record
v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~all

✉️ SPF#

Policy	Record (cs-nics.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~all

📨 DMARC#

Policy	Record (_dmarc.cs-nics.dk)
p=none (monitor only)	v=DMARC1;p=none; sp=reject; adkim=s; aspf=s

📬 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 09:39:23

www CNAME	cs-nics.dk (all on cs-nics.dk) → 193.200.90.180 (AS62121)
www vs bare domain	Same network cs-nics.dk: 193.200.90.180 (AS62121) www.cs-nics.dk: 193.200.90.180 (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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

20ms

Field	Value
Serial	2026052301
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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

25ms

22ms

26ms

AAAA

22ms

TXT

99ms

CAA

23ms

HTTPS

20ms

TLSA

114ms

SOA

20ms

MTA-STS

58ms

DNSSEC

90ms

SRV

0ms

Total

473ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:39:23	351ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 02:00:29	4722ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 09:02:48	474ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 01:18:38	1152ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-06 01:13:58	561ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 03:45:55	500ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-24 06:21:21	741ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 19:22:20	705ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 19:01:19	1157ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 00:43:32	65535ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:05:55 shown	473ms	3 NS 1 A 1 MX	🔓 Insecure