dux.dk

📜 Historical scan 2026-09-13 23:08:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dux.dk is a .dk domain served by 2 nameservers (ns1.dnshost.net, ns2.dnshost.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.114.94.2 is hosted by Optimizely AB (AS30811) in Sweden. Mail is handled by smtp.levonline.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshost.net	2a0b:8e00::10 91.237.67.1	ns1.dnshost.net ns1.dnshost.net	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.dnshost.net	185.167.176.1 2a0b:8e00:1::10	ns2.dnshost.net ns2.dnshost.net	AS207021 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records#

1 records 2045ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.114.94.2	3598s	—	AS30811	Optimizely AB	217.114.94.0/24	🇸🇪 Sweden	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	smtp.levonline.com	—	—	—

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c50:94::2	3600s	—	AS30811	Optimizely AB	2a00:1c50:94:0:0:0:0:0/48	🇸🇪 Sweden	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 242ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (dux.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.dux.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:xaqjxbw6@ag.eu.dmarcadvisor.com;

📬 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 11:56:08

www CNAME	www.dux.dk.dxcloud.episerver.net (all on episerver.net) → 104.18.42.129 172.64.145.127 2606:4700:4408::ac40:917f 2a06:98c1:3106::6812:2a81 (AS13335)
www vs bare domain	Different networks dux.dk: 217.114.94.2 2a00:1c50:94::2 (AS30811) www.dux.dk: 104.18.42.129 172.64.145.127 2606:4700:4408::ac40:917f 2a06:98c1:3106::6812:2a81 (AS13335) (all like this)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u18413920.wl171.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u18413920.wl171.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9079ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1785150578
Primary NS (MNAME)	ns1.dnshost.net
Responsible (RNAME)	zonemaster\@dnshost@net
Refresh	43200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

2045ms

47ms

AAAA

45ms

TXT

242ms

CAA

45ms

HTTPS

56ms

TLSA

4031ms

SOA

0ms

MTA-STS

77ms

DNSSEC

9079ms

SRV

81ms

Total

13429ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 07:47:43	4544ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 01:02:58	4546ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-13 23:08:24 shown	13429ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-28 15:42:55	4668ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 05:05:29	4446ms	2 NS 1 A 1 MX	🔓 Insecure