23b.dk
Last scanned: 2026-07-02 00:42:30  ·  516ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   54ms
🌍 A Records1 records   52ms
📧 MX Records1 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s server6104.serverpark.dk 5.103.46.104 server6104.serverpark.dk AS44869 FIBIA P/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover5.103.46.104
🔶 Autoconfig5.103.46.104
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   151ms
TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all
✉️ SPF
PolicyRecord (23b.dk)
~all (soft fail) v=spf1 a mx include:_spf.serverpark.dk ~all
📨 DMARC
PolicyRecord (_dmarc.23b.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)
🔐 DNSSEC116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA61ms
FieldValue
Serial2010071671
Primary NS (MNAME)ns4.dns-123.net
Responsible (RNAME)admin@dns-123.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
52ms
MX
67ms
AAAA
72ms
TXT
151ms
CAA
50ms
HTTPS
58ms
TLSA
98ms
SOA
61ms
MTA-STS
95ms
DNSSEC
116ms
SRV
128ms
Total
516ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 00:42:30 516ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:40:55 826ms 3 NS 1 A 1 MX 🔒 Secure View
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