duplex.dk
📜 Historical scan 2026-06-17 05:10:29  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   175ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com — — —
ns2.digitalocean.com — — —
ns3.digitalocean.com — — —
🌍 A Records1 records   142ms
IPTTLPTRASNISP / OrgCIDRCountryCity
167.172.101.141 — — AS14061 DigitalOcean, LLC 167.172.0.0/16 🇩🇪 Germany Frankfurt am Main
📧 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)
🔐 DNSSEC2259ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA120ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@duplex.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
175ms
A
142ms
MX
163ms
AAAA
202ms
TXT
1049ms
CAA
183ms
HTTPS
209ms
TLSA
1484ms
SOA
120ms
MTA-STS
215ms
DNSSEC
2259ms
SRV
0ms
Total
8886ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-17 04:00:46 1880ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-14 02:20:04 1471ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-07 16:19:54 2868ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-21 06:39:09 1618ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-28 16:11:39 712ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-19 07:40:00 682ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 05:17:29 1170ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 05:10:29 8886ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 05:02:39 455ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 05:00:24 672ms 3 NS 1 A 0 MX 🔓 Insecure View
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