x-cdc.dk

📜 Historical scan 2026-06-18 16:51:29  ·  ← 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 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   45ms
NameserverIP addressesPTRASN / 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   40ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscoverxcdc.dk → 185.51.79.114
🔶 Autoconfigxcdc.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#

PolicyRecord (_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 CNAMExcdc.dk (all on xcdc.dk)
www vs bare domainOnly www resolves
x-cdc.dk: no address
www.x-cdc.dk: 185.51.79.114 (AS205984)
(all like this)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.x-cdc.dk xcdc.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

58ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

48ms
FieldValue
Serial2023121402
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-12 16:06:35
FieldValue
RegistrarSimply.com A/S
Registered2003-10-31
Expires2026-10-31 (14d)

🔗 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).

DomainRegistrar
starion.dkPunktum dk A/S (direct)
wuffe.dkPunktum dk A/S (direct)
x-cma.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
32ms
MX
40ms
AAAA
47ms
TXT
186ms
CAA
47ms
HTTPS
30ms
TLSA
75ms
SOA
48ms
MTA-STS
45ms
DNSSEC
58ms
SRV
71ms
Total
745ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 15:40:18 1175ms 3 NS 0 A 3 MX 🔓 Insecure
2026-10-03 03:55:20 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 shown 745ms 3 NS 0 A 3 MX 🔒 Secure
2026-06-17 12:58:43 2136ms 3 NS 0 A 3 MX 🔒 Secure
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