kastner.dk
Last scanned: 2026-08-27 20:04:55  ·  753ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   33ms
NameserverIP addressesPTRASN / ISP
dns1.rackhosting.com 77.247.69.212 dns1.rackhosting.com AS31590 Rackhosting.com ApS
dns2.rackhosting.com 45.32.187.211 dns2.rackhosting.com AS20473 The Constant Company, LLC
dns3.rackhosting.com 77.247.69.213 dns3.rackhosting.com AS31590 Rackhosting.com ApS
🌍 A Records1 records   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.64.12 86400s vice.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records2 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mailfilter0.rackhosting.com 77.247.73.194
77.247.73.195
77.247.73.196
77.247.73.197		 mailfilter-se0.rackhosting.com
mailfilter-se1.rackhosting.com
mailfilter-se2.rackhosting.com
mailfilter-se3.rackhosting.com		 AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
20 86400s mailfilter1.rackhosting.com 77.247.73.198
77.247.73.199
77.247.73.200
77.247.73.201		 mailfilter-se0-1.rackhosting.com
mailfilter-se1-1.rackhosting.com
mailfilter-se2-1.rackhosting.com
mailfilter-se3-1.rackhosting.com		 AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
AS31590 Rackhosting.com ApS
🔷 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)
🔐 DNSSEC117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1483619825
Primary NS (MNAME)dns1.rackhosting.com
Responsible (RNAME)mia@kastner.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
62ms
MX
48ms
AAAA
50ms
TXT
245ms
CAA
49ms
HTTPS
35ms
TLSA
94ms
SOA
0ms
MTA-STS
67ms
DNSSEC
117ms
SRV
74ms
Total
753ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:04:55 753ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-02 13:19:38 1097ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 18:14:47 1150ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 17:46:22 1137ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 21:18:15 2900ms 3 NS 1 A 2 MX 🔓 Insecure View
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