sdcn.dk

📜 Historical scan 2026-06-20 17:16:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdcn.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 13 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.53.131.81 is hosted by TDC Holding A/S (AS3292) in Denmark. 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#

2 records   160ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   141ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.53.131.81 3600s — AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Silkeborg

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   506ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (sdcn.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.sdcn.dk)
p=reject v=DMARC1;p=reject;rua=mailto:w6y9biqi@ag.eu.dmarcadvisor.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 2026-10-08 12:38:22
www87.53.131.81 (AS3292) (address records, no CNAME)
www vs bare domainSame network
sdcn.dk: 87.53.131.81 (AS3292)
www.sdcn.dk: 87.53.131.81 (AS3292)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

289ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

124ms
FieldValue
Serial2020051300
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-14 11:03:02
FieldValue
RegistrarDANDOMAIN A/S
Registered2018-08-13
Expires2027-08-31 (317d)

🔗 Same registrant#

21 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
112akuthjaelper.dkDANDOMAIN A/S
3limfjordsforbindelse.dkDANDOMAIN A/S
aalborgskolen.dkSimply.com A/S
aalborguh.dkDANDOMAIN A/S
aaspas.dkDANDOMAIN A/S
cdhsign.dkPunktum dk A/S (direct)
coinn2024aalborg.dkDANDOMAIN A/S
diabetesiskolen.dkDANDOMAIN A/S
drg-konference2017.dkDANDOMAIN A/S
focdenmark.dkDANDOMAIN A/S
kenddinarv.dkDANDOMAIN A/S
matcendownload.dkSimply.com A/S
mikapnord.dkDANDOMAIN A/S
nordjysksundhed.dkDANDOMAIN A/S
osindsigt.dkDANDOMAIN A/S
regionnord.dkDANDOMAIN A/S
rsiservices.dkDANDOMAIN A/S
sns2024.dkDANDOMAIN A/S
sygehusvendsyssel.dkDANDOMAIN A/S
sødisbakke.dkDANDOMAIN A/S
telecarenord.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
160ms
A
141ms
MX
118ms
AAAA
139ms
TXT
506ms
CAA
145ms
HTTPS
144ms
TLSA
133ms
SOA
124ms
MTA-STS
146ms
DNSSEC
289ms
SRV
198ms
Total
1038ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 09:26:04 633ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-27 06:32:28 462ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-04 02:46:26 426ms 2 NS 1 A 0 MX 🔒 Secure
2026-08-27 19:01:58 724ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-20 17:16:36 shown 1038ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-17 13:21:18 3568ms 2 NS 1 A 0 MX 🔒 Secure
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