czacademy.dk

📜 Historical scan 2026-07-01 21:01:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

czacademy.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.218 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. 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   45ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.218 3600s webcluster1.webpod18-cph3.g1i.one AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

1 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:108:d2:9321:465a:510 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-23 11:17:53
www CNAMEczcacademy-cz.web.app (all on web.app)
www vs bare domainSame network
czacademy.dk: 199.36.158.100 (AS54113)
www.czacademy.dk: 199.36.158.100 2620:0:890::100 (AS54113)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026070101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-24 01:22:48
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-01-13
Expires2027-01-12 (79d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
coastzone.dkPunktum dk A/S (direct)
czif.dkPunktum dk A/S (direct)
czqr.dkPunktum dk A/S (direct)
indendørs-teambuilding.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
34ms
MX
33ms
AAAA
34ms
TXT
223ms
CAA
41ms
HTTPS
22ms
TLSA
69ms
SOA
0ms
MTA-STS
50ms
DNSSEC
79ms
SRV
55ms
Total
772ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 11:17:53 795ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-25 21:44:03 487ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-11 00:18:45 4565ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-03 15:17:57 594ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-30 20:01:27 454ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-27 21:31:34 512ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-19 07:41:41 29009ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-07 19:26:14 8532ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-29 00:25:21 4639ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-25 21:13:46 4550ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-09 00:24:19 724ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-01 21:01:05 shown 772ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-16 23:51:54 1024ms 2 NS 1 A 0 MX 🔓 Insecure
2026-06-16 23:31:09 465ms 2 NS 1 A 0 MX 🔓 Insecure
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