clausnielsen.dk DNS records

🖥️ Nameservers2 records 28ms

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 Records2 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	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.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. 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	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.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 mx02.mail.icloud.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. 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 Records2 records 163ms

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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

23ms

MX

43ms

AAAA

26ms

TXT

163ms

CAA

29ms

HTTPS

24ms

TLSA

60ms

SOA

0ms

MTA-STS

65ms

DNSSEC

97ms

SRV

51ms

Total

1561ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 19:50:07	1561ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-27 16:09:21	958ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-26 18:57:57	854ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-23 18:06:58	9611ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-22 17:00:09	2876ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-20 16:36:18	9573ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-19 15:10:27	9423ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-17 13:46:39	3549ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-15 19:19:00	5784ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-30 05:11:09	11274ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-08 17:52:34	1560ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 03:35:51	702ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-16 21:10:21	2878ms	2 NS 0 A 2 MX	🔓 Insecure	View