holsteiner.dk
📜 Historical scan 2026-06-17 14:03:25  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   123ms
NameserverIP addressesPTRASN / ISP
ns1.kortermann-hosting.dk 94.231.105.180 vdom105.net.dk2.zitcom.dk AS48854 team.blue Denmark A/S
ns2.kortermann-hosting.dk 94.231.105.146 — AS48854 team.blue Denmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC361ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA164ms
FieldValue
Serial55565
Primary NS (MNAME)ns1.kortermann-hosting.dk
Responsible (RNAME)hostmaster@kortermann-hosting.dk
Refresh14400s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
123ms
A
165ms
MX
111ms
AAAA
142ms
TXT
311ms
CAA
157ms
HTTPS
159ms
TLSA
153ms
SOA
164ms
MTA-STS
151ms
DNSSEC
361ms
SRV
0ms
Total
1429ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 12:18:29 606ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-26 08:17:35 501ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 20:13:39 482ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 19:03:24 361ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 21:14:44 911ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 14:03:25 1429ms 2 NS 0 A 0 MX 🔓 Insecure View
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