dtuemba.dk
Last scanned: 2026-08-27 06:34:38  ·  9756ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   61ms
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   2065ms
IPTTLPTRASNISP / OrgCIDRCountryCity
136.243.153.199 3598s ns3.itwebhotel.dk AS24940 Hetzner Online GmbH 136.243.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   68ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.dtuemba.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   327ms
TXT Record
v=spf1 a mx ip4:136.243.153.199 ~all
✉️ SPF
PolicyRecord (dtuemba.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)
🔐 DNSSEC9134ms
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@dtuemba.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
2065ms
MX
68ms
AAAA
62ms
TXT
327ms
CAA
84ms
HTTPS
70ms
TLSA
142ms
SOA
0ms
MTA-STS
91ms
DNSSEC
9134ms
SRV
102ms
Total
9756ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:34:38 9756ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 03:12:48 2486ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 00:17:45 2597ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 04:55:04 591ms 3 NS 1 A 1 MX 🔓 Insecure View
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