studiecomputer.dk

📜 Historical scan 2026-06-26 20:43:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studiecomputer.dk is a .dk domain served by 2 nameservers (ns1.dns.services, ns2.dns.services). It was registered on 23 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.163.195 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.studiecomputer.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   31ms

🌍 A Records#

1 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
81.7.163.195 3600s — AS47292 Sentia Denmark A/S 81.7.160.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.studiecomputer.dk 81.7.163.195 — AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverstudiecomputer.dk → 81.7.163.195
🔶 Autoconfigstudiecomputer.dk → 81.7.163.195

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ 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 2026-10-14 21:13:09
www CNAMEstudiecomputer.dk (all on studiecomputer.dk)
www vs bare domainSame network
studiecomputer.dk: 193.221.124.123 (AS51377)
www.studiecomputer.dk: 193.221.124.123 (AS51377)
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.studiecomputer.dk studiecomputer.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

27ms
FieldValue
Serial2022072802
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)hostmaster@comasys.dk
Refresh10800s
Retry3600s
Expire2419000s
Minimum (neg-cache TTL)43200s

📋 Registration#

WHOIS fetched 2026-10-04 02:22:41
FieldValue
RegistrarNamehost by CoMaSys ApS
Registered2007-12-23
Expires2026-12-31 (73d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
30ms
MX
32ms
AAAA
34ms
TXT
132ms
CAA
29ms
HTTPS
29ms
TLSA
72ms
SOA
27ms
MTA-STS
34ms
DNSSEC
63ms
SRV
32ms
Total
708ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 21:13:09 1032ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-09 14:16:52 632ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-04 02:22:00 511ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-01 02:03:09 375ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-26 20:17:05 490ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-07 12:54:20 553ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-01 09:50:39 486ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-16 15:39:03 8688ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-07 18:02:59 16843ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-26 20:43:59 shown 708ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-25 02:45:58 769ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-20 03:04:27 2507ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-17 11:53:06 963ms 2 NS 1 A 1 MX 🔓 Insecure
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