dcbsys.dk
Last scanned: 2026-08-29 17:03:17  ·  560ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   45ms
NameserverIP addressesPTRASN / 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 Records1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.105.232.45 3600s — AS8075 Microsoft Corporation 20.64.0.0/10 🇳🇱 The Netherlands Amsterdam
📧 MX Records1 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
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 Records1 records   193ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (dcbsys.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC99ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026051922
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
32ms
MX
42ms
AAAA
36ms
TXT
193ms
CAA
29ms
HTTPS
40ms
TLSA
132ms
SOA
0ms
MTA-STS
59ms
DNSSEC
99ms
SRV
71ms
Total
560ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 17:03:17 560ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-27 11:52:09 565ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-11 07:12:25 3889ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-10 03:31:07 1929ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-02 06:32:05 2709ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-26 06:44:58 17030ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-23 02:24:43 741ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-21 17:43:25 9625ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-04 18:42:24 854ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-03 18:26:45 9772ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-01 23:32:49 1015ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:15:39 616ms 4 NS 1 A 0 MX 🔒 Secure View
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