lynkursus.dk

📜 Historical scan 2026-08-04 15:16:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lynkursus.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, vivienne.ns.cloudflare.com). It was registered on 26 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.39 is hosted by Cloudflare, Inc. (AS13335). 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 93ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vivienne.ns.cloudflare.com	108.162.194.50 162.159.38.50 172.64.34.50 2606:4700:50::a29f:2632 2803:f800:50::6ca2:c232 2a06:98c1:50::ac40:2232	vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.ns.cloudflare.com vivienne.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 117ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.57	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.204.57
🔶 Autoconfig	172.67.204.57

🔷 AAAA Records (IPv6)#

2 records 144ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5d27	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:cc39	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 130ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.39,172.67.204.57 ech=AEX+DQBBmwAgACCHYwbzOvfOL1fh//PNHQwEJibN7vFsqwq7v91z8BpBRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5d27,2606:4700:3036::ac43:cc39

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 05:59:12

www	104.21.93.39 172.67.204.57 2606:4700:3033::6815:5d27 2606:4700:3036::ac43:cc39 (AS13335) (address records, no CNAME)
www vs bare domain	Same network lynkursus.dk: 104.21.93.39 172.67.204.57 2606:4700:3033::6815:5d27 2606:4700:3036::ac43:cc39 (AS13335) www.lynkursus.dk: 104.21.93.39 172.67.204.57 2606:4700:3033::6815:5d27 2606:4700:3036::ac43:cc39 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

194ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411215278
Primary NS (MNAME)	ivan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-01 23:41:33

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-07-26
Expires	2027-07-25 (275d)

📋 WHOIS#

⏱️ Lookup Timing#

93ms

117ms

112ms

AAAA

144ms

TXT

297ms

CAA

74ms

HTTPS

130ms

TLSA

458ms

SOA

0ms

MTA-STS

110ms

DNSSEC

194ms

SRV

154ms

Total

1527ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:59:12	511ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 09:52:47	430ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 23:01:03	1612ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 22:56:38	700ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 02:58:38	570ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 00:40:10	27761ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-10 05:24:47	2454ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-04 15:16:00 shown	1527ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 22:10:59	472ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 01:43:38	848ms	2 NS 2 A 0 MX	🔓 Insecure