firstone.dk
Last scanned: 2026-09-04 04:01:17  ·  367ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
ns07.sac-it.dk 85.235.243.63 ns07.sac-it.dk AS3308 Norlys Digital A/S
ns08.sac-it.dk 128.76.60.63 ns08.sac-it.dk AS3292 TDC Holding A/S
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns07.sac-it.dk
Responsible (RNAME)hostmaster@firstone.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
28ms
MX
28ms
AAAA
21ms
TXT
109ms
CAA
27ms
HTTPS
26ms
TLSA
24ms
SOA
0ms
MTA-STS
32ms
DNSSEC
98ms
SRV
41ms
Total
367ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 04:01:17 367ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-27 22:38:24 466ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-27 22:25:32 372ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-21 02:50:11 673ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-13 07:33:44 869ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-07 09:01:06 606ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-30 13:42:00 8613ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-23 10:59:35 483ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-16 02:45:35 8321ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-09 17:42:22 449ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-03 14:31:46 395ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-27 06:02:50 339ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 21:49:59 887ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 09:30:15 612ms 2 NS 0 A 0 MX 🔓 Insecure View
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