clausnielsen.dk

📜 Historical scan 2026-09-02 22:10:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clausnielsen.dk is a .dk domain served by 2 nameservers (aaron.ns.cloudflare.com, opal.ns.cloudflare.com). It was registered on 24 December 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, 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 10ms

Nameserver	IP addresses	PTR	ASN / ISP
aaron.ns.cloudflare.com	108.162.195.150 162.159.44.150 172.64.35.150 2606:4700:58::a29f:2c96 2803:f800:50::6ca2:c396 2a06:98c1:50::ac40:2396	aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
opal.ns.cloudflare.com	108.162.194.100 162.159.38.100 172.64.34.100 2606:4700:50::a29f:2664 2803:f800:50::6ca2:c264 2a06:98c1:50::ac40:2264	opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 112ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx02.mail.icloud.com mx02.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx02.mail.icloud.com mx02.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 74ms

TXT Record
apple-domain=67z4JJQWUQULeA7x
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (clausnielsen.dk)
~all (soft fail)	v=spf1 include:icloud.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 2026-10-27 02:51:38

www	NXDOMAIN
www vs bare domain	Neither resolves clausnielsen.dk: no address www.clausnielsen.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.clausnielsen.dk	LsMZcToftE42e0BUooxs8ZI4Pj0mHXFv566IcVvCpzU
TXT	_acme-challenge.clausnielsen.dk	-XuNRFvnCqt46jgyJvv7TIWI7H6djv1rrsgqm3AhNII

🔗 TLSA / DANE#

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

🔐 DNSSEC#

279ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

7ms

Field	Value
Serial	2413327376
Primary NS (MNAME)	aaron.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-27 03:26:11

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-12-24
Expires	2030-12-31 (1526d)

🔗 Same registrant#

4 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).

Domain	Registrar
annanielsen.dk	Punktum dk A/S (direct)
frederiknielsen.dk	Punktum dk A/S (direct)
lottenielsen.dk	Punktum dk A/S (direct)
randiharald.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

10ms

44ms

112ms

AAAA

14ms

TXT

74ms

CAA

9ms

HTTPS

91ms

TLSA

203ms

SOA

7ms

MTA-STS

13ms

DNSSEC

279ms

SRV

0ms

Total

2044ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 02:51:38	2904ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-23 04:12:05	1148ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-27 04:40:27	833ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-26 04:27:57	641ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-24 20:54:47	1067ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-09 22:25:32	1320ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-02 22:10:07 shown	2044ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-28 19:50:07	1561ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-27 16:09:21	958ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-26 18:57:57	854ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-23 18:06:58	9611ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-22 17:00:09	2876ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-20 16:36:18	9573ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-19 15:10:27	9423ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-17 13:46:39	3549ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-15 19:19:00	5784ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-30 05:11:09	11274ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-08 17:52:34	1560ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-21 03:35:51	702ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-16 21:10:21	2878ms	2 NS 0 A 2 MX	🔓 Insecure