cesr.dk
Last scanned: 2026-07-21 22:31:06  ·  634ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers1 records   55ms
NameserverIP addressesPTRASN / ISP
nonexistent.punktum.dk — — —
🌍 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)
🔐 DNSSEC137ms
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
55ms
A
46ms
MX
49ms
AAAA
59ms
TXT
157ms
CAA
57ms
HTTPS
69ms
TLSA
23ms
SOA
31ms
MTA-STS
71ms
DNSSEC
137ms
SRV
85ms
Total
634ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-21 22:31:06 634ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-20 15:23:59 679ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-19 07:20:30 751ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-18 05:08:54 2045ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-17 04:18:44 644ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-13 21:11:41 702ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-11 19:21:56 832ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-08 17:20:59 697ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-06 23:31:47 750ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-04 19:02:11 3476ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-02 23:57:53 470ms 1 NS 0 A 0 MX ❓ Unknown View
2026-06-24 10:12:10 2258ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 07:29:36 3824ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 21:20:22 753ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 20:11:07 622ms 3 NS 1 A 1 MX 🔒 Secure View
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