28black.dk
Last scanned: 2026-09-01 06:52:30  ·  2547ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
NameserverIP addressesPTRASN / ISP
ns5.kasserver.com 85.13.128.3 ns5.kasserver.com AS34788 Neue Medien Muennich GmbH
ns6.kasserver.com 85.13.159.101 ns6.kasserver.com AS34788 Neue Medien Muennich GmbH
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.13.163.28 7200s dd45626.kasserver.com AS34788 Neue Medien Muennich GmbH 85.13.128.0/18 🇩🇪 Germany —
📧 MX Records1 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s w01c295b.kasserver.com 85.13.163.28 dd45626.kasserver.com AS34788 Neue Medien Muennich GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover85.13.163.28
🔶 Autoconfig85.13.163.28
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   367ms
TXT Record
v=spf1 a mx include:spf.kasserver.com ~all
✉️ SPF
PolicyRecord (28black.dk)
~all (soft fail) v=spf1 a mx include:spf.kasserver.com ~all
📨 DMARC
PolicyRecord (_dmarc.28black.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2076ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2607060032
Primary NS (MNAME)ns5.kasserver.com
Responsible (RNAME)hostmaster@kasserver.com
Refresh28800s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)7200s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
61ms
MX
63ms
AAAA
53ms
TXT
367ms
CAA
73ms
HTTPS
59ms
TLSA
114ms
SOA
0ms
MTA-STS
94ms
DNSSEC
2076ms
SRV
118ms
Total
2547ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 06:52:30 2547ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-28 04:25:41 920ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-06 20:56:48 1759ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 23:56:07 2084ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 12:49:10 1171ms 2 NS 1 A 1 MX 🔓 Insecure View
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