linuxnerds.dk

Records from scan: 2026-10-18 17:17:38 · 775ms total · last checked 2026-10-19 19:02 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linuxnerds.dk is a .dk domain served by 2 nameservers (aarav.ns.cloudflare.com, carrera.ns.cloudflare.com). It was registered on 24 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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
aarav.ns.cloudflare.com	108.162.195.60 162.159.44.60 172.64.35.60 2606:4700:58::a29f:2c3c 2803:f800:50::6ca2:c33c 2a06:98c1:50::ac40:233c	aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
carrera.ns.cloudflare.com	108.162.194.231 162.159.38.231 172.64.34.231 2606:4700:50::a29f:26e7 2803:f800:50::6ca2:c2e7 2a06:98c1:50::ac40:22e7	carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.ns.cloudflare.com carrera.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#

7 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 64.233.165.26	li-in-f26.1e100.net li-in-x1a.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 212ms

TXT Record
v=spf1 include:aspmx.googlemail.com ~all

✉️ SPF#

Policy	Record (linuxnerds.dk)
~all (soft fail)	v=spf1 include:aspmx.googlemail.com ~all

📨 DMARC#

Policy	Record (_dmarc.linuxnerds.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:e396e0627f6f41d09769d2c6f3caf04e@dmarc-reports.cloudflare.net

📬 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#

checked 2026-10-18 17:17:38

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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.linuxnerds.dk	FT63hw3ctytEm6Sd7d8OZWT9IbZ8K2lmBXh4qRGscQU
TXT	_acme-challenge.linuxnerds.dk	H4bWLGEwIUIUoDIuxuQXwqLGD9whgTA4mROHi0IHsq0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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#

45ms

Field	Value
Serial	2417754366
Primary NS (MNAME)	aarav.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 17:46:11

Field	Value
Registrar	ONE.COM A/S
Registered	2001-08-24
Expires	2027-09-30 (345d)

🔗 Same registrant#

1 domain

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
jorgensenconsulting.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

42ms

43ms

47ms

AAAA

31ms

TXT

212ms

CAA

41ms

HTTPS

38ms

TLSA

125ms

SOA

45ms

MTA-STS

63ms

DNSSEC

65ms

SRV

62ms

Total

775ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 17:17:38 shown	775ms	2 NS 0 A 7 MX	🔓 Insecure
2026-10-02 13:13:12	1905ms	2 NS 0 A 7 MX	🔓 Insecure
2026-09-28 12:44:51	960ms	2 NS 0 A 7 MX	🔓 Insecure
2026-09-02 14:27:43	1568ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-23 04:12:36	3919ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-20 01:24:43	9197ms	2 NS 0 A 7 MX	🔓 Insecure
2026-08-03 12:42:24	1534ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-26 12:52:31	951ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-21 20:11:24	807ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-21 05:41:47	1166ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 08:56:13	1109ms	2 NS 0 A 7 MX	🔓 Insecure
2026-06-18 02:55:17	1174ms	2 NS 0 A 7 MX	🔓 Insecure