dubletter.dk

📜 Historical scan 2026-09-02 20:25:53  ·  ← 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   54ms

🌍 A Records#

1 records   68ms

📧 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#

9122ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
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
54ms
A
68ms
MX
54ms
AAAA
40ms
TXT
252ms
CAA
54ms
HTTPS
61ms
TLSA
115ms
SOA
0ms
MTA-STS
98ms
DNSSEC
9122ms
SRV
86ms
Total
9541ms

🕐 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 shown 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 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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