duizer.dk
📜 Historical scan 2026-06-17 05:05:35  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   47ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com
ns2.simply.com
ns3.simply.com
ns4.simply.com
🌍 A Records1 records   48ms
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   130ms
TXT Record
v=spf1 include:spf.simply.com ~all
✉️ SPF
PolicyRecord (duizer.dk)
~all (soft fail) v=spf1 include:spf.simply.com ~all
📨 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 / DANE2 records   96ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA40ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
47ms
A
48ms
MX
43ms
AAAA
46ms
TXT
130ms
CAA
46ms
HTTPS
98ms
TLSA
96ms
SOA
40ms
MTA-STS
62ms
DNSSEC
112ms
SRV
0ms
Total
483ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-01 13:31:49 599ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-26 10:15:22 652ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 19:31:22 817ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-20 00:36:59 6061ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:19:44 1675ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:05:35 483ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:02:24 13023ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 05:00:41 672ms 4 NS 1 A 1 MX 🔒 Secure View
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