dtumba.dk
Last scanned: 2026-08-27 15:49:29  ·  998ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   50ms
NameserverIP addressesPTRASN / ISP
ns1.itwebhotel.dk 136.243.153.136 ns1.itwebhotel.dk AS24940 Hetzner Online GmbH
ns2.itwebhotel.dk 136.243.153.176 ns2.itwebhotel.dk AS24940 Hetzner Online GmbH
ns3.itwebhotel.dk 136.243.153.199 ns3.itwebhotel.dk AS24940 Hetzner Online GmbH
🌍 A Records1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
136.243.153.199 3600s ns3.itwebhotel.dk AS24940 Hetzner Online GmbH 136.243.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.dtumba.dk 136.243.153.199 ns3.itwebhotel.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   316ms
TXT Record
v=spf1 a mx ip4:136.243.153.199 ~all
✉️ SPF
PolicyRecord (dtumba.dk)
~all (soft fail) v=spf1 a mx ip4:136.243.153.199 ~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)
🔐 DNSSEC79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025122200
Primary NS (MNAME)ns1.itwebhotel.dk
Responsible (RNAME)hostmaster@dtumba.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
58ms
MX
56ms
AAAA
54ms
TXT
316ms
CAA
56ms
HTTPS
46ms
TLSA
121ms
SOA
0ms
MTA-STS
90ms
DNSSEC
79ms
SRV
102ms
Total
998ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:49:29 998ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 13:06:19 1602ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 23:37:41 686ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 13:40:45 2869ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 18:31:23 667ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 20:08:51 1062ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 04:55:33 608ms 3 NS 1 A 1 MX 🔓 Insecure View
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