sysview.dk
📜 Historical scan 2026-07-01 20:18:00  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
NameserverIP addressesPTRASN / ISP
ns1.tdh-net.dk 185.229.151.68 ns1.tdh-net.dk AS204988 TDH-Net ApS
ns2.tdh-net.dk 185.229.151.76 ns2.tdh-net.dk AS204988 TDH-Net ApS
🌍 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 Records1 records   162ms
TXT Record
v=spf1 include:relay.tdh-net.dk include:relay2.tdh-net.dk -all
✉️ SPF
PolicyRecord (sysview.dk)
-all (hard fail) v=spf1 include:relay.tdh-net.dk include:relay2.tdh-net.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)
🔐 DNSSEC51ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026070100
Primary NS (MNAME)ns1.tdh-net.dk
Responsible (RNAME)info@tdh-net.dk
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
32ms
MX
33ms
AAAA
29ms
TXT
162ms
CAA
32ms
HTTPS
32ms
TLSA
38ms
SOA
0ms
MTA-STS
49ms
DNSSEC
51ms
SRV
44ms
Total
857ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-27 23:26:21 9991ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-22 19:30:10 8884ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-01 20:18:00 857ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 13:14:28 821ms 2 NS 0 A 0 MX ❓ Unknown View
2026-06-19 18:31:46 476ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 06:34:12 570ms 2 NS 0 A 0 MX 🔓 Insecure View
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