sentech.dk
Last scanned: 2026-08-28 01:11:57  ·  816ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.onwelcom.dk 185.51.79.241 ns1.onwelcom.dk AS205984 Powernet Aps
ns2.onwelcom.dk 185.51.79.251 — AS205984 Powernet Aps
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.51.79.250 86400s web01.onwelcom.dk AS205984 Powernet Aps 185.51.78.0/23 🇩🇰 Denmark —
📧 MX Records2 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mailfilter.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
20 86400s mx2.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.51.79.250
🔶 Autoconfig185.51.79.250
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   220ms
TXT Record
MS=ms79150142
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC91ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2016082310
Primary NS (MNAME)ns1.onwelcom.dk
Responsible (RNAME)hostmaster@sentech.dk
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
46ms
MX
39ms
AAAA
48ms
TXT
220ms
CAA
54ms
HTTPS
58ms
TLSA
107ms
SOA
0ms
MTA-STS
74ms
DNSSEC
91ms
SRV
85ms
Total
816ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:11:57 816ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-27 06:49:25 2690ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-24 10:22:35 929ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 04:27:51 507ms 2 NS 1 A 2 MX 🔓 Insecure View
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