redpuzzle.dk
Last scanned: 2026-06-29 14:15:44  ·  513ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
NameserverIP addressesPTRASN / ISP
authns1.ngdc.net 2001:1448:0:a800::53
217.30.38.181		 authns1.ngdc.net
dns1.sentia.dk		 AS47292 Sentia Denmark A/S
AS47292 Sentia Denmark A/S
authns2.ngdc.net 2001:1448:0:a500::53
217.30.38.27		 authns2.ngdc.net
dns2.sentia.dk		 AS47292 Sentia Denmark A/S
AS47292 Sentia Denmark A/S
🌍 A Records1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.66.20.56 3600s — AS47292 Sentia Denmark A/S 77.66.16.0/20 🇩🇰 Denmark Værløse
📧 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)
🔐 DNSSEC114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA53ms
FieldValue
Serial2017051601
Primary NS (MNAME)authns1.ngdc.net
Responsible (RNAME)hostmaster@ngdc.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
40ms
MX
47ms
AAAA
54ms
TXT
150ms
CAA
45ms
HTTPS
36ms
TLSA
88ms
SOA
53ms
MTA-STS
67ms
DNSSEC
114ms
SRV
61ms
Total
513ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-29 14:15:44 513ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-23 21:08:33 1175ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 16:33:29 612ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 08:35:05 593ms 2 NS 1 A 0 MX 🔓 Insecure View
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