clausnielsen.dk

📜 Historical scan 2026-08-19 15:10:27 · ← 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 41ms

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 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. 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 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. 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 287ms

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 2026-10-23 04:12:05

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	QHLbhyP8rinYEzk7TA4PWLF2tQMD3OrKKayY96pPlxM
TXT	_acme-challenge.clausnielsen.dk	dc2wel95OpdaF3oWlc-2-QDl5A9T-ZXg9KlJHjl7xWc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

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#

0ms

Field	Value
Serial	2412606161
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 2026-10-11 08:48:17

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

📋 WHOIS#

⏱️ Lookup Timing#

41ms

36ms

43ms

AAAA

32ms

TXT

287ms

CAA

38ms

HTTPS

29ms

TLSA

8036ms

SOA

0ms

MTA-STS

59ms

DNSSEC

124ms

SRV

113ms

Total

9423ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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