computerkursus.dk

📜 Historical scan 2026-09-25 19:37:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

computerkursus.dk is a .dk domain served by 2 nameservers (isla.ns.cloudflare.com, syeef.ns.cloudflare.com). It was registered on 9 September 2026 (WHOIS) and first appeared in the .dk zone on 10 September 2026. Its website address 104.21.27.66 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   46ms
NameserverIP addressesPTRASN / ISP
isla.ns.cloudflare.com 108.162.192.119
172.64.32.119
173.245.58.119
2606:4700:50::adf5:3a77
2803:f800:50::6ca2:c077
2a06:98c1:50::ac40:2077		 isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com
isla.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
syeef.ns.cloudflare.com 108.162.195.238
162.159.44.238
172.64.35.238
2606:4700:58::a29f:2cee
2803:f800:50::6ca2:c3ee
2a06:98c1:50::ac40:23ee		 syeef.ns.cloudflare.com
syeef.ns.cloudflare.com
syeef.ns.cloudflare.com
syeef.ns.cloudflare.com
syeef.ns.cloudflare.com
syeef.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   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.27.66 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.141.198 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   38ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:1b42 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:8dc6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.27.66,172.67.141.198 ech=AEX+DQBBRwAgACBvrwcnkCG0ntVo4fE3le0rQsV9Zw0+6E+Ny5t5SROLNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1b42,2606:4700:3032::ac43:8dc6

📝 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 2026-10-18 14:57:51
www104.21.27.66 172.67.141.198 2606:4700:3032::6815:1b42 2606:4700:3032::ac43:8dc6 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415643903
Primary NS (MNAME)isla.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-12 06:56:31
FieldValue
RegistrarOpenprovider
Registered2026-09-09
Expires2027-09-08 (317d)

🔗 Same registrant#

740 domains

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Showing 100 of 740.

📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
43ms
MX
45ms
AAAA
38ms
TXT
193ms
CAA
33ms
HTTPS
34ms
TLSA
70ms
SOA
0ms
MTA-STS
50ms
DNSSEC
69ms
SRV
62ms
Total
558ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 19:52:46 773ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 19:37:46 shown 558ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 00:40:47 778ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-21 20:21:07 810ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-14 18:42:20 611ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-10 08:47:16 1157ms 2 NS 0 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone