duplex-sikring.dk
Last scanned: 2026-06-18 16:29:40  ·  555ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.gnrx.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.gnrx.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.235.58.95 3600s — AS60781 LeaseWeb Netherlands B.V. 77.235.56.0/21 🇳🇱 The Netherlands —
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
20 3600s mail.duplex-sikring.dk 178.20.216.12 ispc2.dotserv.com AS21060 Atea A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.duplex-sikring.dk → 178.20.216.12
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   168ms
TXT Record
v=spf1 include:_spf.dotserv.com ~all
✉️ SPF
PolicyRecord (duplex-sikring.dk)
~all (soft fail) v=spf1 include:_spf.dotserv.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC69ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA44ms
FieldValue
Serial2023120401
Primary NS (MNAME)ns1.gnrx.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
46ms
MX
43ms
AAAA
29ms
TXT
168ms
CAA
41ms
HTTPS
39ms
TLSA
64ms
SOA
44ms
MTA-STS
32ms
DNSSEC
69ms
SRV
93ms
Total
555ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-18 16:29:40 555ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:10:17 1476ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:09:07 414ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 05:08:12 9417ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:01:17 548ms 2 NS 1 A 1 MX 🔒 Secure View
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