blackcore.dk
📜 Historical scan 2026-06-16 14:45:04  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.124 — webcluster2.webpod16-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark —
📧 MX Records3 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod5-cph3.one.com 185.164.14.54 mx1.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod5-cph3.one.com 185.164.14.55 mx2.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod5-cph3.one.com 185.164.14.56 mx3.pub.mailpod5-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)1 records   32ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:80e6:5305:20ae:34d5 — — AS51468 One.com A/S 2a02:2350::/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
🔗 TLSA / DANE3 records   70ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA32ms
FieldValue
Serial2026061501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
35ms
MX
33ms
AAAA
32ms
TXT
122ms
CAA
31ms
HTTPS
34ms
TLSA
70ms
SOA
32ms
MTA-STS
72ms
DNSSEC
113ms
SRV
0ms
Total
648ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:23:12 870ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-15 20:12:39 2164ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-13 18:57:29 1259ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-06 08:09:55 1007ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-17 01:44:10 827ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-26 14:04:06 3263ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-23 05:02:03 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 14:45:04 648ms 2 NS 1 A 3 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone