dubletter.dk

📜 Historical scan 2026-06-17 04:56:04  ·  ← 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   64ms
NameserverIP addressesPTRASN / ISP
a.ns14.net — — —
b.ns14.net — — —
c.ns14.net — — —
d.ns14.net — — —

🌍 A Records#

1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
88.198.213.172 — static.88-198-213-172.clients.your-server.de AS24940 Hetzner Online GmbH 88.198.0.0/16 🇩🇪 Germany Nuremberg

📧 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#

163ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

65ms
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
64ms
A
63ms
MX
63ms
AAAA
62ms
TXT
253ms
CAA
69ms
HTTPS
65ms
TLSA
86ms
SOA
65ms
MTA-STS
81ms
DNSSEC
163ms
SRV
0ms
Total
551ms

🕐 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 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 shown 551ms 4 NS 1 A 0 MX 🔓 Insecure
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