linuxdev.dk

📜 Historical scan 2026-08-26 07:11:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linuxdev.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.13.60.181 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a 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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.13.60.181	600s	srvlinuxdev01.linuxdev.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

7 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lt-in-f27.1e100.net lt-in-x1a.1e100.net lt-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.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
20	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	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	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.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 170ms

TXT Record
v=spf1 ip4:143.42.50.74 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (linuxdev.dk)
~all (soft fail)	v=spf1 ip4:143.42.50.74 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.linuxdev.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-07 21:41:25

www CNAME	linuxdev.dk (all on linuxdev.dk) → 49.13.60.181 (AS24940)
www vs bare domain	Same network linuxdev.dk: 49.13.60.181 (AS24940) www.linuxdev.dk: 49.13.60.181 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026082501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-18 13:29:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-03-08
Expires	2031-03-31 (1624d)

🔗 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
tallshipthy.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

54ms

42ms

AAAA

68ms

TXT

170ms

CAA

51ms

HTTPS

43ms

TLSA

371ms

SOA

0ms

MTA-STS

73ms

DNSSEC

86ms

SRV

69ms

Total

1144ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:50:16	754ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 05:48:19	675ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-29 15:14:16	3029ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-25 18:15:00	989ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-24 18:09:19	909ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-21 16:22:00	3266ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-27 13:39:16	2996ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-26 07:11:29 shown	1144ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-26 03:41:02	1933ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-25 11:22:45	885ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-19 19:51:06	873ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-17 15:28:19	3053ms	2 NS 1 A 7 MX	🔒 Secure