duun.dk

📜 Historical scan 2026-06-28 21:00:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duun.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 August 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.202 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is DNSSEC-signed and validates, 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#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.116.232.202	1000s	202.giga-ptr.232.116.217.in-addr.arpa web2.gigahost.dk	AS47292	Sentia Denmark A/S	217.116.224.0/20	🇩🇰 Denmark	—

📧 MX Records#

3 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1000s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	1000s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	1000s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	duun.dk → 217.116.232.202
🔶 Autoconfig	duun.dk → 217.116.232.202

🔷 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 2026-10-14 07:15:25

www CNAME	duun.dk (all on duun.dk) → 217.116.232.202 (AS47292)
www vs bare domain	Same network duun.dk: 217.116.232.202 (AS47292) www.duun.dk: 217.116.232.202 (AS47292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.duun.dk	duun.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026032501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 04:48:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-08-24
Expires	2030-10-16 (1460d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

35ms

42ms

AAAA

34ms

TXT

169ms

CAA

39ms

HTTPS

34ms

TLSA

50ms

SOA

39ms

MTA-STS

43ms

DNSSEC

69ms

SRV

50ms

Total

684ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 07:15:25	790ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-10 04:21:55	904ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-09 00:22:07	1234ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-08 00:17:23	406ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-25 01:00:20	688ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-23 14:10:33	757ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-18 18:09:23	579ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-28 21:00:30 shown	684ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-26 22:56:57	715ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-23 00:24:26	1122ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:21:40	820ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 05:05:04	743ms	2 NS 1 A 3 MX	🔒 Secure