computerworldkurser.dk

📜 Historical scan 2026-09-08 12:37:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

computerworldkurser.dk is a .dk domain served by 2 nameservers (anton.ns.cloudflare.com, love.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.151 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 138ms

Nameserver	IP addresses	PTR	ASN / ISP
anton.ns.cloudflare.com	108.162.195.175 162.159.44.175 172.64.35.175 2606:4700:58::a29f:2caf 2803:f800:50::6ca2:c3af 2a06:98c1:50::ac40:23af	anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com anton.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
love.ns.cloudflare.com	108.162.194.119 162.159.38.119 172.64.34.119 2606:4700:50::a29f:2677 2803:f800:50::6ca2:c277 2a06:98c1:50::ac40:2277	love.ns.cloudflare.com love.ns.cloudflare.com love.ns.cloudflare.com love.ns.cloudflare.com love.ns.cloudflare.com love.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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.151	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.176	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.223.176
🔶 Autoconfig	104.21.88.151

🔷 AAAA Records (IPv6)#

2 records 156ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5897	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:dfb0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 141ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.151,172.67.223.176 ech=AEX+DQBBdgAgACA/G5mHYgLkpPaR5jusdDm9B5pqD4Yt2VOkQIeOi7rKHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5897,2606:4700:3031::ac43:dfb0

📝 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 05:43:32

www	104.21.88.151 172.67.223.176 2606:4700:3030::6815:5897 2606:4700:3031::ac43:dfb0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network computerworldkurser.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.computerworldkurser.dk: 104.21.88.151 172.67.223.176 2606:4700:3030::6815:5897 2606:4700:3031::ac43:dfb0 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

170ms

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	2414127929
Primary NS (MNAME)	anton.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#

138ms

113ms

159ms

AAAA

156ms

TXT

248ms

CAA

131ms

HTTPS

141ms

TLSA

131ms

SOA

0ms

MTA-STS

133ms

DNSSEC

170ms

SRV

148ms

Total

1301ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:06:37	564ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-08 12:37:35 shown	1301ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 01:29:05	713ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-10 14:32:57	810ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-08 13:30:24	1905ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-01 23:20:55	2436ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-17 00:55:41	51810ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 22:07:20	1223ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 22:01:11	364ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-16 22:00:11	360ms	2 NS 1 A 0 MX	🔓 Insecure