coreconcept.dk

Records from scan: 2026-09-30 13:17:28  ·  7106ms total  ·  last checked 2026-10-16 05:11 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   44ms
NameserverIP addressesPTRASN / ISP
ns.coreconcept.dk 91.189.201.201 — 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   41ms
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   141ms
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#

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#

61ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

31ms
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
44ms
A
29ms
MX
41ms
AAAA
28ms
TXT
141ms
CAA
36ms
HTTPS
36ms
TLSA
101ms
SOA
31ms
MTA-STS
54ms
DNSSEC
61ms
SRV
59ms
Total
7106ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 13:17:28 shown 7106ms 2 NS 1 A 2 MX 🔓 Insecure
2026-06-26 14:45:47 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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