linkedin-kurser.dk
Last scanned: 2026-08-19 20:32:45  ·  866ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   61ms
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   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
194.255.164.234 7200s 0xc2ffa4ea.linknet.dk.telia.net AS3308 Norlys Telco A/S 194.255.0.0/16 🇩🇰 Denmark Vojens
📧 MX Records1 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
0 7200s .  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   268ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (linkedin-kurser.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.linkedin-kurser.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1787081085
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh21600s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
54ms
MX
71ms
AAAA
66ms
TXT
268ms
CAA
51ms
HTTPS
54ms
TLSA
59ms
SOA
0ms
MTA-STS
83ms
DNSSEC
92ms
SRV
81ms
Total
866ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 20:32:45 866ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-06 17:18:50 765ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-03 18:52:57 1408ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-02 18:45:42 9627ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 10:26:46 688ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 18:23:09 823ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 02:13:47 666ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:55:43 1544ms 4 NS 1 A 0 MX 🔓 Insecure View
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