lederkursus.dk

📜 Historical scan 2026-09-02 14:01:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lederkursus.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.173.120.224 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mail.lederkursus.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   77ms
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 Records#

1 records   75ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.173.120.224 360s vmi2967233.contaboserver.net AS51167 Contabo GmbH 157.173.96.0/19 🇫🇷 France Lauterbourg

📧 MX Records#

1 records   73ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.lederkursus.dk 162.55.134.177 cp11.nordicway.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records   64ms
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 Records#

1 records   343ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 11:17:38
www CNAMElederkursus.dk (all on lederkursus.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 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)

🔐 DNSSEC#

2105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
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 yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
77ms
A
75ms
MX
73ms
AAAA
64ms
TXT
343ms
CAA
72ms
HTTPS
78ms
TLSA
120ms
SOA
0ms
MTA-STS
112ms
DNSSEC
2105ms
SRV
104ms
Total
2808ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-06 21:33:48 2375ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-05 17:17:47 1172ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-02 14:01:14 shown 2808ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 11:43:17 1100ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-07 05:44:58 16615ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-26 15:31:46 793ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-20 11:30:06 945ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-17 13:32:16 2215ms 2 NS 1 A 1 MX 🔓 Insecure
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