cosasu.dk
Last scanned: 2026-08-23 17:15:13  ·  3438ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   636ms
NameserverIP addressesPTRASN / ISP
ns1.rackserverz.biz — — —
ns2.rackserverz.biz — — —
ns3.rackserverz.biz — — —
🌍 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)
🔐 DNSSEC2079ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
636ms
A
87ms
MX
730ms
AAAA
636ms
TXT
802ms
CAA
85ms
HTTPS
68ms
TLSA
25ms
SOA
47ms
MTA-STS
734ms
DNSSEC
2079ms
SRV
726ms
Total
3438ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 17:15:13 3438ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-22 15:49:01 7594ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-21 15:24:37 7530ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-20 15:17:19 4443ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-19 14:43:19 1555ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-18 14:42:18 5696ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-17 07:07:35 1522ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-15 07:29:05 1609ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-14 02:42:20 3386ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-12 19:21:39 4003ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-11 06:04:30 4638ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-10 04:44:32 5610ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-06 15:18:40 2515ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-02 02:57:10 2899ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-01 00:07:55 17361ms 3 NS 0 A 0 MX ❓ Unknown View
2026-07-30 11:52:29 1289ms 3 NS 0 A 0 MX ❓ Unknown View
2026-07-27 21:12:10 11734ms 3 NS 0 A 0 MX ❓ Unknown View
2026-07-26 20:39:14 4639ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-25 19:57:18 4521ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 19:15:59 3797ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-23 15:43:48 4431ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-22 14:18:00 3276ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-21 07:43:37 11249ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-19 11:16:29 11338ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-18 08:36:04 10572ms 2 NS 1 A 1 MX 🔓 Insecure View
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