linneman.dk

📜 Historical scan 2026-10-08 12:07:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linneman.dk is a .dk domain served by 2 nameservers (aryanna.ns.cloudflare.com, nicolas.ns.cloudflare.com). It was registered on 10 July 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 12 October 2026, when it moved from direct registration at Punktum to Domænehajen ApS. Its website address 104.21.81.214 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by post.linneman.dk. The zone is not DNSSEC-signed, publishes a 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 215ms

Nameserver	IP addresses	PTR	ASN / ISP
aryanna.ns.cloudflare.com	108.162.194.95 162.159.38.95 172.64.34.95 2606:4700:50::a29f:265f 2803:f800:50::6ca2:c25f 2a06:98c1:50::ac40:225f	aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com aryanna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nicolas.ns.cloudflare.com	108.162.195.84 162.159.44.84 172.64.35.84 2606:4700:58::a29f:2c54 2803:f800:50::6ca2:c354 2a06:98c1:50::ac40:2354	nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.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 151ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.214	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.207	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 150ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	post.linneman.dk	91.226.145.155	post.linneman.dk	AS216275 Netnoerden ApS

🔷 AAAA Records (IPv6)#

2 records 154ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:93cf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:51d6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 129ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.214,172.67.147.207 ech=AEX+DQBBTgAgACAnNE9Fl8m7N+Q27jE4rqmPcAsd/PrNePHnoeg/PJ9RAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:93cf,2606:4700:3036::6815:51d6

📝 TXT Records#

1 records 638ms

TXT Record
v=spf1 a:post.linneman.dk a:mail-3.linneman.dk ip4:91.226.145.155/32 -all

✉️ SPF#

Policy	Record (linneman.dk)
-all (hard fail)	v=spf1 a:post.linneman.dk a:mail-3.linneman.dk ip4:91.226.145.155/32 -all

📨 DMARC#

Policy	Record (_dmarc.linneman.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@linneman.dk

📬 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 2026-10-15 12:59:23

www	Exists, no address
www vs bare domain	www does not resolve linneman.dk: 104.21.81.214 172.67.147.207 2606:4700:3033::ac43:93cf 2606:4700:3036::6815:51d6 (AS13335) www.linneman.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

362ms

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

🏷️ SOA#

349ms

Field	Value
Serial	2416902628
Primary NS (MNAME)	aryanna.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 08:18:56

Field	Value
Registrar	Domænehajen ApS
Registered	2000-07-10
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

215ms

151ms

150ms

AAAA

154ms

TXT

638ms

CAA

136ms

HTTPS

129ms

TLSA

340ms

SOA

349ms

MTA-STS

229ms

DNSSEC

362ms

SRV

242ms

Total

4219ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 12:59:22	2225ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-12 07:52:14	418ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 05:52:24	4469ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-08 12:07:20 shown	4219ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 10:06:07	736ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 10:04:44	774ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 09:41:23	1811ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 12:10:14	2804ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-16 00:53:33	1168ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 07:53:59	16792ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 05:34:12	3144ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-05 22:42:43	2878ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-14 17:20:40	1042ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 19:32:07	1177ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 11:52:12	10000ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 00:06:34	974ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 20:22:52	897ms	2 NS 2 A 1 MX	🔓 Insecure