dukse.dk

📜 Historical scan 2026-06-26 02:47:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dukse.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 20 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.35.226 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by dukse.dk. The zone is DNSSEC-signed and validates, publishes a 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.209.35.226	3600s	80.209.35.226.static.fibianet.dk	AS44869	FIBIA P/S	80.209.0.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dukse.dk	80.209.35.226	80.209.35.226.static.fibianet.dk	AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	dukse.dk → 80.209.35.226
🔶 Autoconfig	dukse.dk → 80.209.35.226

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 125ms

TXT Record
v=spf1 a mx ip4:5.103.128.179/32 -all

✉️ SPF#

Policy	Record (dukse.dk)
-all (hard fail)	v=spf1 a mx ip4:5.103.128.179/32 -all

📨 DMARC#

Policy	Record (_dmarc.dukse.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:anders@dukse.dk; ruf=mailto:anders@dukse.dk; sp=reject; pct=100

📬 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 2026-10-19 03:47:43

www	80.209.35.226 (AS44869) (address records, no CNAME)
www vs bare domain	Same network dukse.dk: 80.209.35.226 (AS44869) www.dukse.dk: 80.209.35.226 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dukse.dk	3Ib32AA5I99B6Cq2d_4CZwqVAQb9WUH72iPjyEMqMWA
TXT	_acme-challenge.dukse.dk	4l1OJvPAOtA9ic6qxdOxHi3W6lDwoW21eHM07OClUpU
TXT	_acme-challenge.dukse.dk	77oUXq2T8e8LtPrJOGS7_wcxKjlb2mFbbk-_yjOE8Y8
TXT	_acme-challenge.dukse.dk	HIyPRjzt1AKp9a48T7K2eBHDeCoHugwcfPtcH106eL8
TXT	_acme-challenge.dukse.dk	Hj8SizAp_iczR2rV72uEn22oBhYvQNSKHj6kZOPJF_Y
TXT	_acme-challenge.dukse.dk	InPY8GD1R5lTQ2pCKeUoHw3AATM6HRFYXUfcKTX8ny4
TXT	_acme-challenge.dukse.dk	f2dvJZShtihNFPLT51JJtiZCmd1t4aNdw1gPDHOCSJg
TXT	_acme-challenge.dukse.dk	goCRwkLANTc8bAV29hE9d7DoOE-4d53O8zafBt2R_SE
TXT	_acme-challenge.dukse.dk	zvLHbCyZS7phcAuLc6TT_3MthiMbe5gs6b05JVpUMGI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026062500
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-19 04:02:55

Field	Value
Registrar	Simply.com A/S
Registered	2003-11-20
Expires	2026-11-30 (41d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

41ms

31ms

44ms

AAAA

43ms

TXT

125ms

CAA

38ms

HTTPS

37ms

TLSA

182ms

SOA

0ms

MTA-STS

49ms

DNSSEC

108ms

SRV

76ms

Total

825ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 03:47:42	1251ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-12 22:12:32	836ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 09:30:20	1153ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-22 23:19:58	1105ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:47:23 shown	825ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:30:29	16356ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:04:23	1478ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:02:43	469ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 05:00:41	787ms	4 NS 1 A 1 MX	🔒 Secure