dcbsys.dk

📜 Historical scan 2026-08-10 03:31:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcbsys.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 1 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.232.45 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by .. 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#

4 records 279ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 280ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.105.232.45	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 137ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 594ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (dcbsys.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.dcbsys.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:retky4cd@ag.eu.dmarcian.com; ruf=mailto:retky4cd@fr.eu.dmarcian.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 01:34:43

www CNAME	app-dknb-redirectsite-weu-prod.azurewebsites.net (all on azurewebsites.net) → 20.105.232.45 2603:1020:206:6::57 (AS8075)
www vs bare domain	Same network dcbsys.dk: 20.105.232.45 (AS8075) www.dcbsys.dk: 20.105.232.45 2603:1020:206:6::57 (AS8075)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 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#

443ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026051917
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 05:06:43

Field	Value
Registrar	Eurodns S.A
Registered	2014-05-01
Expires	2027-05-31 (222d)

📋 WHOIS#

⏱️ Lookup Timing#

279ms

280ms

137ms

AAAA

266ms

TXT

594ms

CAA

157ms

HTTPS

269ms

TLSA

120ms

SOA

0ms

MTA-STS

263ms

DNSSEC

443ms

SRV

315ms

Total

1929ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 01:34:43	553ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-05 06:16:35	1887ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 06:08:26	596ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:34:49	633ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 11:06:10	672ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-18 10:20:44	657ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-29 17:03:17	560ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:52:09	565ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-11 07:12:25	3889ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-10 03:31:07 shown	1929ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-02 06:32:05	2709ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-26 06:44:58	17030ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-23 02:24:43	741ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-21 17:43:25	9625ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-04 18:42:24	854ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-03 18:26:45	9772ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:32:49	1015ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:15:39	616ms	4 NS 1 A 0 MX	🔒 Secure