coreconcept.dk

📜 Historical scan 2026-06-26 14:45:47  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coreconcept.dk is a .dk domain served by 2 nameservers (ns.coreconcept.dk, ns2.coreconcept.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.189.200.154 is hosted by Netvaerkssmeden (AS42638) in Denmark. Mail is handled by mail.coreconcept.dk, mail.servmail.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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   30ms
NameserverIP addressesPTRASN / ISP
ns.coreconcept.dk 91.189.201.201 ns.coreconcept.dk AS42638 Netvaerkssmeden
ns2.coreconcept.dk 91.189.202.202 ns2.coreconcept.dk AS42638 Netvaerkssmeden

🌍 A Records#

1 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.189.200.154 300s — AS42638 Netvaerkssmeden 91.189.200.0/21 🇩🇰 Denmark Glostrup Municipality

📧 MX Records#

2 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.coreconcept.dk — — —
10 300s mail.servmail.dk — — —

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   138ms
TXT Record
\"v=spf1 a mx a:exchange.coreconcept.dk include:tele.dk ~all\"

✉️ 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 2026-10-12 20:22:39
www CNAMEweb1.coreconcept.dk (all on coreconcept.dk)
www vs bare domainSame network
coreconcept.dk: 91.189.200.154 (AS42638)
www.coreconcept.dk: 91.189.200.154 (AS42638)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

32ms
FieldValue
Serial152
Primary NS (MNAME)ns.coreconcept.dk
Responsible (RNAME)hostmaster@coreconcept.dk
Refresh360s
Retry300s
Expire300s
Minimum (neg-cache TTL)300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
29ms
MX
28ms
AAAA
21ms
TXT
138ms
CAA
29ms
HTTPS
31ms
TLSA
88ms
SOA
32ms
MTA-STS
39ms
DNSSEC
57ms
SRV
37ms
Total
6455ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 13:17:28 7106ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-26 14:45:47 shown 6455ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-26 04:04:25 8566ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-23 11:23:10 1229ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-20 00:23:32 7589ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-16 22:26:19 2892ms 0 NS 1 A 2 MX 🔓 Insecure
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