sentech.dk

📜 Historical scan 2026-06-27 06:49:25  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sentech.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.250 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by mailfilter.onwelcom.dk, mx2.onwelcom.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   50ms
NameserverIP addressesPTRASN / ISP
ns1.onwelcom.dk 185.51.79.241 mail.onwelcom.dk AS205984 Powernet Aps
ns2.onwelcom.dk 185.51.79.251 — AS205984 Powernet Aps

🌍 A Records#

1 records   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.51.79.250 86400s web01.onwelcom.dk AS205984 Powernet Aps 185.51.78.0/23 🇩🇰 Denmark —

📧 MX Records#

2 records   46ms
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 Records#

1 records   164ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 06:34:44
www185.51.79.250 (AS205984) (address records, no CNAME)
www vs bare domainSame network
sentech.dk: 185.51.79.250 (AS205984)
www.sentech.dk: 185.51.79.250 (AS205984)
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

47ms
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 yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
53ms
MX
46ms
AAAA
55ms
TXT
164ms
CAA
51ms
HTTPS
52ms
TLSA
74ms
SOA
47ms
MTA-STS
64ms
DNSSEC
108ms
SRV
68ms
Total
2690ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 03:19:32 511ms 2 NS 1 A 2 MX 🔓 Insecure
2026-08-28 01:11:57 816ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-27 06:49:25 shown 2690ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-24 10:22:35 929ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 04:27:51 507ms 2 NS 1 A 2 MX 🔓 Insecure
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