dueoptics.dk

📜 Historical scan 2026-06-23 10:50:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dueoptics.dk is a .dk domain with no delegation in this scan. It was registered on 4 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

🖥️
No NS records found

🌍 A Records#

🌍
No A records found

📧 MX Records#

📧
No MX records found

🔷 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 2026-10-16 06:09:24
www94.231.103.138 (AS48854) (address records, no CNAME)
www vs bare domainSame network
dueoptics.dk: 94.231.103.138 (AS48854)
www.dueoptics.dk: 94.231.103.138 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

302ms
CheckResult
Validation StatusNot applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown).
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-01 06:07:36
FieldValue
RegistrarSimply.com A/S
Registered2014-05-04
Expires2027-05-31 (225d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
188ms
A
180ms
MX
199ms
AAAA
196ms
TXT
289ms
CAA
191ms
HTTPS
190ms
TLSA
17ms
SOA
183ms
MTA-STS
208ms
DNSSEC
302ms
SRV
221ms
Total
910ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 05:36:20 1282ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-24 03:50:57 493ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-14 11:15:53 741ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-07 09:17:16 935ms 1 NS 0 A 0 MX ❓ Unknown
2026-08-28 01:12:35 585ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-25 19:02:43 567ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-29 12:12:52 616ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 19:34:37 484ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 10:50:26 shown 910ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 15:23:59 671ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-21 04:46:30 1985ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 04:55:50 507ms 4 NS 1 A 1 MX 🔒 Secure
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