z-byg.dk
Last scanned: 2026-06-25 17:41:53  ·  1349ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   271ms
NameserverIP addressesPTRASN / ISP
ns1.dnsserver.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dnsserver.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   212ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.37.86 10800s — AS3308 Norlys Telco A/S 193.8.36.0/23 🇩🇰 Denmark Ølstykke
📧 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 Records1 records   430ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (z-byg.dk)
-all (hard fail) v=spf1 -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)
🔐 DNSSEC332ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA260ms
FieldValue
Serial2025122901
Primary NS (MNAME)ns1.dnsserver.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
271ms
A
212ms
MX
276ms
AAAA
245ms
TXT
430ms
CAA
240ms
HTTPS
239ms
TLSA
273ms
SOA
260ms
MTA-STS
268ms
DNSSEC
332ms
SRV
260ms
Total
1349ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 17:41:53 1349ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 05:35:15 585ms 2 NS 1 A 0 MX 🔓 Insecure View
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