learningtechlab.dk
📜 Historical scan 2026-06-23 23:35:20  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
🌍 A Records1 records   56ms
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   41ms
🔐 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC57ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA47ms
FieldValue
Serial2026061001
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
37ms
A
56ms
MX
37ms
AAAA
41ms
TXT
169ms
CAA
39ms
HTTPS
36ms
TLSA
38ms
SOA
47ms
MTA-STS
37ms
DNSSEC
57ms
SRV
55ms
Total
486ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 02:46:13 2024ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 10:23:09 2438ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 14:15:54 4550ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 12:45:00 618ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 18:10:48 2484ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 12:47:39 2795ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 11:45:09 508ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 23:35:20 486ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 07:03:13 487ms 2 NS 1 A 0 MX 🔒 Secure View
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