duoen.dk

📜 Historical scan 2026-06-17 05:00:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duoen.dk is a .dk domain served by 4 nameservers (ns.kleinweb.dk, ns2.kleinweb.dk, ns3.kleinweb.dk and 1 more). It was registered on 14 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.43.138.9 is hosted by Klein-Data (AS59979) in Denmark. Mail is handled by mailscan01.kleinweb.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#

4 records 81ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.kleinweb.dk	—	—	—
ns2.kleinweb.dk	—	—	—
ns3.kleinweb.dk	—	—	—
ns4.kleinweb.dk	—	—	—

🌍 A Records#

1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.43.138.9	—	hweb.kleinweb.dk	AS59979	Klein-Data	195.43.138.0/24	🇩🇰 Denmark	—

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	—	mailscan01.kleinweb.dk	195.43.138.6	scan2.kleinweb.dk	AS59979 Klein-Data

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 260ms

TXT Record
v=spf1 include:spf.kleinweb.dk ~all

✉️ SPF#

Policy	Record (duoen.dk)
~all (soft fail)	v=spf1 include:spf.kleinweb.dk ~all

📨 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 2026-10-13 08:36:31

www	195.43.138.9 (AS59979) (address records, no CNAME)
www vs bare domain	Same network duoen.dk: 195.43.138.9 (AS59979) www.duoen.dk: 195.43.138.9 (AS59979)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

314ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

89ms

Field	Value
Serial	2020061406
Primary NS (MNAME)	ns.kleinweb.dk
Responsible (RNAME)	hostmaster@kleinweb.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	21600s

📋 Registration#

WHOIS fetched 2026-10-07 22:33:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-06-14
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

97ms

86ms

AAAA

87ms

TXT

260ms

CAA

95ms

HTTPS

97ms

TLSA

135ms

SOA

89ms

MTA-STS

97ms

DNSSEC

314ms

SRV

0ms

Total

840ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:09:03	561ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 09:21:18	9441ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 06:47:07	619ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 05:41:55	2421ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:21:10	1490ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:09:07	18903ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:08:40	477ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:00:18 shown	840ms	4 NS 1 A 1 MX	🔓 Insecure