duks.dk

📜 Historical scan 2026-06-17 05:28:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

duks.dk is a .dk domain served by 2 nameservers (dylan.ns.cloudflare.com, sharon.ns.cloudflare.com). It was registered on 20 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.197 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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 153ms

Nameserver	IP addresses	PTR	ASN / ISP
dylan.ns.cloudflare.com	—	—	—
sharon.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 575ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.47.197	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.40	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 1055ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	64.233.164.27	lf-in-f27.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26	yunrtab-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 255ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:ac28	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:2fc5	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 930ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.197,172.67.172.40 ech=AEX+DQBBJwAgACBdyL6ohvLUVHyP5QrQOPMNwhUaSEvijFQOPei6OLPPJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:ac28,2606:4700:3036::6815:2fc5

📝 TXT Records#

2 records 1582ms

TXT Record
MS=54EDCBB44344193B130FA0BC1C84978951228FDF
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (duks.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~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 2026-10-15 13:16:05

www	104.21.47.197 172.67.172.40 2606:4700:3033::ac43:ac28 2606:4700:3035::6815:2fc5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network duks.dk: 104.21.47.197 172.67.172.40 2606:4700:3033::ac43:ac28 2606:4700:3035::6815:2fc5 (AS13335) www.duks.dk: 104.21.47.197 172.67.172.40 2606:4700:3033::ac43:ac28 2606:4700:3035::6815:2fc5 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

2499ms

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

🏷️ SOA#

436ms

Field	Value
Serial	2406482127
Primary NS (MNAME)	dylan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 00:36:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-01-20
Expires	2033-03-31 (2357d)

📋 WHOIS#

⏱️ Lookup Timing#

153ms

575ms

1055ms

AAAA

255ms

TXT

1582ms

CAA

548ms

HTTPS

930ms

TLSA

476ms

SOA

436ms

MTA-STS

1584ms

DNSSEC

2499ms

SRV

0ms

Total

17208ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 13:16:05	634ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-06 00:45:08	1148ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-05 00:35:47	1812ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-23 21:02:44	921ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-29 02:49:11	1847ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-26 20:18:15	967ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-09 01:59:49	17488ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-07 00:44:56	1611ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-02 20:16:36	1587ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-11 22:07:50	3271ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-18 23:14:34	1887ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 05:28:16 shown	17208ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 05:08:57	472ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 05:03:03	2281ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 05:00:06	834ms	2 NS 2 A 5 MX	🔒 Secure