dueholdings.dk

📜 Historical scan 2026-10-01 00:39:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dueholdings.dk is a .dk domain served by 2 nameservers (indie.ns.cloudflare.com, piers.ns.cloudflare.com). It was registered on 21 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
indie.ns.cloudflare.com	108.162.194.163 162.159.38.163 172.64.34.163 2606:4700:50::a29f:26a3 2803:f800:50::6ca2:c2a3 2a06:98c1:50::ac40:22a3	indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piers.ns.cloudflare.com	108.162.195.16 162.159.44.16 172.64.35.16 2606:4700:58::a29f:2c10 2803:f800:50::6ca2:c310 2a06:98c1:50::ac40:2310	piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.231	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	173.194.220.26 173.194.220.27 173.194.221.26 173.194.221.27 173.194.222.26 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lm-in-x1a.1e100.net lm-in-f26.1e100.net lm-in-x1b.1e100.net lm-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.84.251
🔶 Autoconfig	172.67.199.231

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c7e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:54fb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.251,172.67.199.231 ech=AEX+DQBBVwAgACCMfw4T3q1qqkYA+bhgMOEBh7kVJ/GYmCvejGjXbxDZFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c7e7,2606:4700:3032::6815:54fb

📝 TXT Records#

2 records 198ms

TXT Record
google-site-verification=ic0Wel_iR3zAOMMyCNip33MpQZn5T7tRcjKs0juaM90
v=DMARC1; p=none;

✉️ 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 2026-10-21 19:57:37

www	104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335) (address records, no CNAME)
www vs bare domain	Same network dueholdings.dk: 104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335) www.dueholdings.dk: 104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2414957613
Primary NS (MNAME)	indie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 07:16:39

Field	Value
Registrar	Simply.com A/S
Registered	2023-09-21
Expires	2027-09-20 (330d)

🔗 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#

42ms

36ms

AAAA

47ms

TXT

198ms

CAA

56ms

HTTPS

39ms

TLSA

68ms

SOA

33ms

MTA-STS

54ms

DNSSEC

66ms

SRV

81ms

Total

888ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 19:57:37	2038ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 21:58:11	768ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 00:39:19 shown	888ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 20:36:22	10030ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 14:29:58	1528ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 10:02:15	1270ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 21:21:50	1449ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-08 01:10:15	1689ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 17:02:46	1755ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 15:14:16	1020ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:55:13	499ms	2 NS 2 A 1 MX	🔓 Insecure