dux.dk

📜 Historical scan 2026-06-17 05:05:29 · ← 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnshost.net	—	—	—
ns2.dnshost.net	—	—	—

🌍 A Records#

1 records 64ms

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

📧 MX Records#

1 records 62ms

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

🔷 AAAA Records (IPv6)#

1 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c50:94::2	—	—	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 193ms

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#

166ms

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

🏷️ SOA#

60ms

Field	Value
Serial	1777365054
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#

53ms

64ms

62ms

AAAA

55ms

TXT

193ms

CAA

66ms

HTTPS

66ms

TLSA

4041ms

SOA

60ms

MTA-STS

62ms

DNSSEC

166ms

SRV

0ms

Total

4446ms

🕐 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	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 shown	4446ms	2 NS 1 A 1 MX	🔓 Insecure