duet.dk
Last scanned: 2026-09-08 05:58:52  ·  826ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   131ms
NameserverIP addressesPTRASN / ISP
ns1.eurodns.com 199.167.66.107
2610:1c8:b002::107		 ns1.eurodns.com
ns1.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns2.eurodns.com 104.37.178.107
2610:1c8:b001::107		 ns2.eurodns.com
ns2.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns3.eurodns.com 199.167.66.108
2610:1c8:b002::108		 ns3.eurodns.com
ns3.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
ns4.eurodns.com 104.37.178.108
2610:1c8:b001::108		 ns4.eurodns.com
ns4.eurodns.com		 AS23393 NuCDN LLC
AS23393 NuCDN LLC
🌍 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 Records1 records   413ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (duet.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.duet.dk)
p=reject v=DMARC1; p=reject; sp=reject;
📬 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)
🔐 DNSSEC216ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026011643
Primary NS (MNAME)ns1.eurodns.com
Responsible (RNAME)hostmaster@eurodns.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
131ms
A
119ms
MX
156ms
AAAA
137ms
TXT
413ms
CAA
140ms
HTTPS
118ms
TLSA
40ms
SOA
0ms
MTA-STS
166ms
DNSSEC
216ms
SRV
173ms
Total
826ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-08 05:58:52 826ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-21 05:12:59 11589ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-20 04:27:44 2165ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-19 03:20:05 2682ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-07 06:41:49 2657ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-01 05:43:38 694ms 4 NS 0 A 0 MX 🔒 Secure View
2026-07-16 21:45:23 8650ms 4 NS 0 A 0 MX 🔒 Secure View
2026-07-14 03:26:03 2827ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-30 09:28:21 715ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-25 00:25:58 698ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-21 12:48:29 1026ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-17 04:55:38 387ms 4 NS 0 A 0 MX 🔒 Secure View
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