jbirkebaek.dk
Last scanned: 2026-06-18 07:20:53  ·  3397ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   233ms
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   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.247.78.2 — vps189.rackhosting.com AS31590 Rackhosting.com ApS 77.247.64.0/20 🇩🇰 Denmark —
📧 MX Records1 records   83ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.jbirkebaek.dk 77.247.78.2 vps189.rackhosting.com AS31590 Rackhosting.com ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   2385ms
TXT Record
v=spf1 mx ip4:77.247.73.192/26 a:jbirkebaek.dk -all
✉️ SPF
PolicyRecord (jbirkebaek.dk)
-all (hard fail) v=spf1 mx ip4:77.247.73.192/26 a:jbirkebaek.dk -all
📨 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)
🔐 DNSSEC164ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA91ms
FieldValue
Serial2021032601
Primary NS (MNAME)dns1.rackhosting.com
Responsible (RNAME)kontakt@certa-web.com
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
233ms
A
77ms
MX
83ms
AAAA
90ms
TXT
2385ms
CAA
221ms
HTTPS
78ms
TLSA
501ms
SOA
91ms
MTA-STS
122ms
DNSSEC
164ms
SRV
2060ms
Total
3397ms
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