x-cdc.dk

📜 Historical scan 2026-10-03 03:55:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

x-cdc.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 31 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx0.starion.dk, mx1.starion.dk and 1 more. 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 106ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

3 records 139ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mx0.starion.dk	185.51.78.87	mx5.starion.dk	AS205984 Powernet Aps
10	3600s	mx1.starion.dk	185.51.78.87	mx5.starion.dk	AS205984 Powernet Aps
15	3600s	mx2.starion.dk	185.51.78.87	mx5.starion.dk	AS205984 Powernet Aps

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	xcdc.dk → 185.51.79.114
🔶 Autoconfig	xcdc.dk → 185.51.79.114

🔷 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#

Policy	Record (_dmarc.x-cdc.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:uj@napatech.com;

📬 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 15:40:18

www CNAME	xcdc.dk (all on xcdc.dk) → 185.51.79.114 (AS205984)
www vs bare domain	Only www resolves x-cdc.dk: no address www.x-cdc.dk: 185.51.79.114 (AS205984) (all like this)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.x-cdc.dk	xcdc.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

246ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

76ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 16:06:35

Field	Value
Registrar	Simply.com A/S
Registered	2003-10-31
Expires	2026-10-31 (13d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
starion.dk	Punktum dk A/S (direct)
wuffe.dk	Punktum dk A/S (direct)
x-cma.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

106ms

114ms

139ms

AAAA

127ms

TXT

434ms

CAA

127ms

HTTPS

98ms

TLSA

210ms

SOA

76ms

MTA-STS

198ms

DNSSEC

246ms

SRV

173ms

Total

1820ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:40:18	1175ms	3 NS 0 A 3 MX	🔓 Insecure
2026-10-03 03:55:20 shown	1820ms	3 NS 0 A 3 MX	🔓 Insecure
2026-09-27 02:36:29	700ms	3 NS 0 A 3 MX	🔓 Insecure
2026-06-18 16:51:29	745ms	3 NS 0 A 3 MX	🔒 Secure
2026-06-17 12:58:43	2136ms	3 NS 0 A 3 MX	🔒 Secure