sertronics.dk

📜 Historical scan 2026-09-16 15:21:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sertronics.dk is a .dk domain served by 3 nameservers (ns.hostpoint.ch, ns2.hostpoint.ch, ns3.hostpoint.ch). It was registered on 28 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.26.63.20 is hosted by Hostpoint AG (AS29097) in Switzerland. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

3 records   50ms

🌍 A Records#

1 records   50ms

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover217.26.63.20
🔶 Autoconfig217.26.63.20

🔷 AAAA Records (IPv6)#

1 records   48ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   353ms
TXT Record
v=spf1 redirect=spf-permissive.mail.hostpoint.ch

✉️ SPF#

PolicyRecord (sertronics.dk)
redirect=spf-permissive.mail.hostpoint.ch v=spf1 redirect=spf-permissive.mail.hostpoint.ch

📨 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 17:41:15
www217.26.63.20 2a00:d70:0:a::400 (AS29097) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial1788998400
Primary NS (MNAME)ns.hostpoint.ch
Responsible (RNAME)hostmaster@hostpoint.ch
Refresh86400s
Retry7200s
Expire3628800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 22:05:39
FieldValue
RegistrarASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered2014-11-28
Expires2026-11-30 (44d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
50ms
MX
55ms
AAAA
48ms
TXT
353ms
CAA
47ms
HTTPS
61ms
TLSA
776ms
SOA
0ms
MTA-STS
87ms
DNSSEC
138ms
SRV
112ms
Total
2121ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 17:41:15 781ms 3 NS 1 A 0 MX 🔓 Insecure
2026-10-08 06:56:28 1219ms 3 NS 1 A 0 MX 🔓 Insecure
2026-10-02 00:08:41 728ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-24 22:39:25 1202ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-22 15:20:14 1742ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-16 15:21:22 shown 2121ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-04 04:32:50 1125ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-28 06:18:28 2743ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-27 14:31:18 1031ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-20 20:43:48 1313ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-13 04:48:14 2898ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-06 12:47:51 8744ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-23 18:56:24 1016ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-16 13:48:43 959ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-09 21:09:31 9700ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-03 20:34:45 3205ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-25 19:24:06 922ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-21 04:19:37 716ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-18 14:58:30 3409ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-17 13:52:32 1474ms 3 NS 1 A 0 MX 🔓 Insecure
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