linuxconsulting.dk

📜 Historical scan 2026-10-07 00:10:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linuxconsulting.dk is a .dk domain served by 2 nameservers (clarissa.ns.cloudflare.com, luke.ns.cloudflare.com). It was registered on 25 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.53.167 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.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 91ms

Nameserver	IP addresses	PTR	ASN / ISP
clarissa.ns.cloudflare.com	108.162.194.123 162.159.38.123 172.64.34.123 2606:4700:50::a29f:267b 2803:f800:50::6ca2:c27b 2a06:98c1:50::ac40:227b	clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.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 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.53.167	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.170	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 152ms

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 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	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 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records 95ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d7aa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:35a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 111ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.53.167,172.67.215.170 ech=AEX+DQBB1QAgACCuePlA88yW9Ub8GGyt580ghJYet4suS+uVFiKID2rTBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d7aa,2606:4700:3037::6815:35a7

📝 TXT Records#

3 records 442ms

TXT Record
apple-domain=X97N0EK0QvWWGaqM
google-site-verification=jt4_8rICHSq-iRIkiIJ6B3P5k1Wsed1Qlsz5bbLVYNk
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (linuxconsulting.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 2026-10-08 21:58:28

www	104.21.53.167 172.67.215.170 2606:4700:3033::ac43:d7aa 2606:4700:3037::6815:35a7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network linuxconsulting.dk: 104.21.53.167 172.67.215.170 2606:4700:3033::ac43:d7aa 2606:4700:3037::6815:35a7 (AS13335) www.linuxconsulting.dk: 104.21.53.167 172.67.215.170 2606:4700:3033::ac43:d7aa 2606:4700:3037::6815:35a7 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

244ms

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

🏷️ SOA#

92ms

Field	Value
Serial	2416803019
Primary NS (MNAME)	clarissa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 15:49:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-09-25
Expires	2027-09-30 (345d)

🔗 Same registrant#

3 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
helseogzoneterapi.dk	Punktum dk A/S (direct)
hzt.dk	Punktum dk A/S (direct)
wintherconsulting.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

91ms

98ms

152ms

AAAA

95ms

TXT

442ms

CAA

127ms

HTTPS

111ms

TLSA

480ms

SOA

92ms

MTA-STS

178ms

DNSSEC

244ms

SRV

178ms

Total

2330ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 21:58:28	964ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-07 00:10:07 shown	2330ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 11:07:24	1536ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 10:52:36	3010ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-05 22:58:52	2650ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-01 22:21:04	1818ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-27 12:26:54	2557ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 15:11:32	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 18:10:47	818ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 22:22:32	1201ms	2 NS 2 A 2 MX	🔓 Insecure