fagkursus.dk

📜 Historical scan 2026-09-26 18:01:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fagkursus.dk is a .dk domain served by 2 nameservers (aarav.ns.cloudflare.com, addilyn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.178 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 59ms

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.
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.178	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.235	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.77.178
🔶 Autoconfig	104.21.77.178

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4db2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d2eb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.178,172.67.210.235 ech=AEX+DQBBRwAgACAXibnTNV1ZwX2Mk7Vy2bhEV/DYLw74H3mlNyC7Wkf6VAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4db2,2606:4700:3036::ac43:d2eb

📝 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 2026-10-10 02:52:19

www	104.21.77.178 172.67.210.235 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335) (address records, no CNAME)
www vs bare domain	Same network fagkursus.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335) www.fagkursus.dk: 104.21.77.178 172.67.210.235 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

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	2415902571
Primary NS (MNAME)	aarav.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

59ms

40ms

68ms

AAAA

43ms

TXT

218ms

CAA

44ms

HTTPS

34ms

TLSA

64ms

SOA

0ms

MTA-STS

83ms

DNSSEC

121ms

SRV

75ms

Total

684ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 23:24:38	587ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 18:01:29 shown	684ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 04:43:50	676ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 11:03:01	1906ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-29 21:42:29	10329ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 05:44:36	9228ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 01:18:30	897ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 09:11:45	885ms	2 NS 2 A 0 MX	🔓 Insecure