sixten.dk
Last scanned: 2026-06-27 04:06:22  ·  650ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   48ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
159.69.57.20 3600s static.20.57.69.159.clients.your-server.de AS24940 Hetzner Online GmbH 159.69.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   82ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.sixten.dk 159.69.57.20 static.20.57.69.159.clients.your-server.de AS24940 Hetzner Online GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover159.69.57.20
🔶 Autoconfig159.69.57.20
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   156ms
TXT Record
v=spf1 a mx ip4:159.69.57.20 -all
✉️ SPF
PolicyRecord (sixten.dk)
-all (hard fail) v=spf1 a mx ip4:159.69.57.20 -all
📨 DMARC
PolicyRecord (_dmarc.sixten.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:webmaster@sixten.dk
📬 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)
🔐 DNSSEC66ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA44ms
FieldValue
Serial2026031700
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
48ms
A
34ms
MX
82ms
AAAA
47ms
TXT
156ms
CAA
46ms
HTTPS
31ms
TLSA
71ms
SOA
44ms
MTA-STS
54ms
DNSSEC
66ms
SRV
50ms
Total
650ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 04:06:22 650ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 09:21:24 1020ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 11:18:36 1117ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 05:36:45 760ms 4 NS 1 A 1 MX 🔒 Secure View
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