duks.dk

📜 Historical scan 2026-07-11 22:07:50 · ← 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
dylan.ns.cloudflare.com	108.162.195.187 162.159.44.187 172.64.35.187 2606:4700:58::a29f:2cbb 2803:f800:50::6ca2:c3bb 2a06:98c1:50::ac40:23bb	dylan.ns.cloudflare.com dylan.ns.cloudflare.com dylan.ns.cloudflare.com dylan.ns.cloudflare.com dylan.ns.cloudflare.com dylan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sharon.ns.cloudflare.com	108.162.192.221 172.64.32.221 173.245.58.221 2606:4700:50::adf5:3add 2803:f800:50::6ca2:c0dd 2a06:98c1:50::ac40:20dd	sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.47.197	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.40	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 64.233.163.26	lu-in-x1a.1e100.net lu-in-f26.1e100.net lj-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ac28	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2fc5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.47.197,172.67.172.40 ech=AEX+DQBBvwAgACCExvylglhvAFqK4dFc2Z9Qn8R68jz6fb74DSu04f+fJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ac28,2606:4700:3035::6815:2fc5

📝 TXT Records#

2 records 207ms

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#

2047ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2409240172
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 (2356d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

53ms

44ms

AAAA

32ms

TXT

207ms

CAA

33ms

HTTPS

45ms

TLSA

132ms

SOA

0ms

MTA-STS

58ms

DNSSEC

2047ms

SRV

83ms

Total

3271ms

🕐 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 shown	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	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