lederkursus.dk
Last scanned: 2026-08-26 11:43:17  ·  1100ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
NameserverIP addressesPTRASN / ISP
ns3.nordicway.dk 2a01:4f8:c2c:d3c0::1
78.47.45.64		 ns3.nordicway.dk
ns3.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.nordicway.dk 2a01:4f8:c010:24a2::1
78.47.56.84		 ns4.nordicway.dk
ns4.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.173.120.224 360s vmi2967233.contaboserver.net AS51167 Contabo GmbH 157.173.96.0/19 🇫🇷 France Lauterbourg
📧 MX Records1 records   81ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.lederkursus.dk 162.55.134.177 cp11.nordicway.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)1 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:c207:2296:7233::1 360s vmi2967233.contaboserver.net AS51167 Contabo GmbH 2a02:c204:0:0:0:0:0:0/30 🇫🇷 France Lauterbourg
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   321ms
TXT Record
v=spf1 +a +mx +ip4:162.55.134.177 include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (lederkursus.dk)
~all (soft fail) v=spf1 +a +mx +ip4:162.55.134.177 include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.lederkursus.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.lederkursus.dk cB-NZ_e4lQZ2eE58q0r2csFJfKctXd9S27kiNx_gDfI
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026080603
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
76ms
MX
81ms
AAAA
71ms
TXT
321ms
CAA
74ms
HTTPS
88ms
TLSA
305ms
SOA
0ms
MTA-STS
112ms
DNSSEC
107ms
SRV
108ms
Total
1100ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:43:17 1100ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 05:44:58 16615ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 15:31:46 793ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 11:30:06 945ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:32:16 2215ms 2 NS 1 A 1 MX 🔓 Insecure View
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