subboard.dk
Last scanned: 2026-08-28 11:22:48  ·  785ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   57ms
🌍 A Records1 records   70ms
📧 MX Records1 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   243ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (subboard.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.subboard.dk)
p=reject v=DMARC1; p=reject
📬 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)
🔐 DNSSEC107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
Primary NS (MNAME)ns1.netsite.dk
Responsible (RNAME)hostmaster@netsite.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
57ms
A
70ms
MX
60ms
AAAA
62ms
TXT
243ms
CAA
65ms
HTTPS
68ms
TLSA
50ms
SOA
0ms
MTA-STS
68ms
DNSSEC
107ms
SRV
96ms
Total
785ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 11:22:48 785ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-27 18:23:32 407ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-20 04:56:31 3320ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-14 15:03:32 1412ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-09 05:41:12 703ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-31 02:55:40 4598ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-24 02:55:04 648ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-20 12:01:15 678ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-17 05:09:38 712ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-09 06:40:38 1043ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-03 14:16:38 4868ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-25 04:38:15 539ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 02:52:56 2792ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:26:11 1516ms 3 NS 1 A 0 MX 🔒 Secure View
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