bioresonans.dk
Last scanned: 2026-08-27 13:18:49  ·  767ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   64ms
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   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.64.12 900s vice.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s 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 300s 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1483619078
Primary NS (MNAME)dns1.rackhosting.com
Responsible (RNAME)hostmaster@rackhosting.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
64ms
A
63ms
MX
42ms
AAAA
38ms
TXT
214ms
CAA
62ms
HTTPS
64ms
TLSA
115ms
SOA
0ms
MTA-STS
90ms
DNSSEC
84ms
SRV
89ms
Total
767ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:18:49 767ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-28 12:11:24 2677ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-27 15:19:33 1814ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-19 14:53:41 6009ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 14:38:05 800ms 3 NS 1 A 2 MX 🔓 Insecure View
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