dubletter.dk

📜 Historical scan 2026-06-23 15:11:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dubletter.dk is a .dk domain served by 4 nameservers (a.ns14.net, b.ns14.net, c.ns14.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.198.213.172 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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#

4 records   234ms

🌍 A Records#

1 records   295ms

📧 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 2026-10-23 16:38:23
wwwNXDOMAIN
www vs bare domainNeither resolves
dubletter.dk: no address
www.dubletter.dk: no address
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

459ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

267ms
FieldValue
Serial2024012200
Primary NS (MNAME)a.ns14.net
Responsible (RNAME)ew@omikron.net
Refresh39940s
Retry14400s
Expire604800s
Minimum (neg-cache TTL)43200s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
234ms
A
295ms
MX
285ms
AAAA
205ms
TXT
684ms
CAA
294ms
HTTPS
306ms
TLSA
173ms
SOA
267ms
MTA-STS
318ms
DNSSEC
459ms
SRV
353ms
Total
3131ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 16:38:23 565ms 4 NS 0 A 0 MX 🔓 Insecure
2026-10-09 14:43:08 441ms 4 NS 0 A 0 MX 🔓 Insecure
2026-10-07 09:58:34 455ms 4 NS 0 A 0 MX 🔓 Insecure
2026-09-30 04:46:29 550ms 4 NS 1 A 0 MX 🔓 Insecure
2026-09-02 20:25:53 9541ms 4 NS 1 A 0 MX 🔓 Insecure
2026-08-26 18:53:27 650ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-26 13:00:49 1004ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-23 15:11:26 shown 3131ms 4 NS 1 A 0 MX 🔓 Insecure
2026-06-22 22:40:43 1177ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 04:56:04 551ms 4 NS 1 A 0 MX 🔓 Insecure
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