ostergaard-elbjerg.dk
Last scanned: 2026-08-28 13:54:33  ·  682ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   23ms
🌍 A Records1 records   29ms
📧 MX Records1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   30ms
🔐 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)
🔐 DNSSEC100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082701
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
23ms
A
29ms
MX
35ms
AAAA
30ms
TXT
122ms
CAA
24ms
HTTPS
31ms
TLSA
304ms
SOA
0ms
MTA-STS
35ms
DNSSEC
100ms
SRV
40ms
Total
682ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 13:54:33 682ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 03:43:41 1997ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 02:54:50 581ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 01:29:58 4554ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 23:29:08 708ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 01:26:13 9764ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-26 13:31:03 7767ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 19:09:22 649ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 22:22:16 1414ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 12:07:54 1838ms 2 NS 1 A 4 MX 🔒 Secure View
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