lederkursus.dk

📜 Historical scan 2026-06-26 15:31:46  ·  ← 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   47ms
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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.173.120.224 360s vmi2967233.contaboserver.net AS51167 Contabo GmbH 157.173.96.0/19 🇫🇷 France Lauterbourg

📧 MX Records#

1 records   212ms
PriorityTTLMail ServerIP addressesPTRASN
0 3599s mail.lederkursus.dk 162.55.134.177 cp11.nordicway.dk AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records   52ms
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   249ms
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 P2ixjCOYk3R8AUXAJbOgRmJByINHCWcsoHRt6VbwF7c

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

67ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

45ms
FieldValue
Serial2026060601
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
47ms
A
47ms
MX
212ms
AAAA
52ms
TXT
249ms
CAA
44ms
HTTPS
86ms
TLSA
211ms
SOA
45ms
MTA-STS
91ms
DNSSEC
67ms
SRV
106ms
Total
793ms

🕐 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 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 shown 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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