chatcore.dk
📜 Historical scan 2026-06-16 20:25:56  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   59ms
NameserverIP addressesPTRASN / ISP
pns21.cloudns.net — — —
pns22.cloudns.net — — —
pns23.cloudns.net — — —
pns24.cloudns.net — — —
🌍 A Records
🌍
No A records found
📧 MX Records1 records   72ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.dka.mailcore.net 185.138.56.198
185.138.56.198
185.138.56.208
185.138.56.208
194.19.134.70
194.19.134.70
194.19.134.80
194.19.134.80		 198.128-255.56.138.185.in-addr.arpa
mx.dka.mailcore.net
208.128-255.56.138.185.in-addr.arpa
mx.dka.mailcore.net
70.0-127.134.19.194.in-addr.arpa
mx.dka.mailcore.net
80.0-127.134.19.194.in-addr.arpa
mx.dka.mailcore.net		 AS34766 atom86 BV
AS34766 atom86 BV
AS34766 atom86 BV
AS34766 atom86 BV
AS3308 Norlys Digital A/S
AS3308 Norlys Digital A/S
AS3308 Norlys Digital A/S
AS3308 Norlys Digital A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   198ms
TXT Record
v=spf1 a:srv01 include:spf.mailcore.net -all
✉️ SPF
PolicyRecord (chatcore.dk)
-all (hard fail) v=spf1 a:srv01 include:spf.mailcore.net -all
📨 DMARC
PolicyRecord (_dmarc.chatcore.dk)
p=reject v=DMARC1; p=reject; ruf=mailto:postmaster@chatcore.dk; fo=1
📬 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
🔗 TLSA / DANE1 records   71ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.dka.mailcore.net DANE-EE · SPKI · SHA-256 40F9D37C5916C036178AC4588F4425C9…
🔐 DNSSEC140ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA71ms
FieldValue
Serial2022111515
Primary NS (MNAME)ns21.cloudns.net
Responsible (RNAME)support@cloudns.net
Refresh7200s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
59ms
A
62ms
MX
72ms
AAAA
71ms
TXT
198ms
CAA
70ms
HTTPS
70ms
TLSA
71ms
SOA
71ms
MTA-STS
74ms
DNSSEC
140ms
SRV
0ms
Total
1214ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:49:48 5666ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-23 12:53:12 5662ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-22 12:26:36 7150ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-21 12:14:41 5595ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 11:59:32 15847ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-19 07:54:44 1318ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 15:18:42 7042ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-16 20:25:56 1214ms 4 NS 0 A 1 MX 🔓 Insecure View
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