natsyn.dk
Last scanned: 2026-08-31 15:53:02  ·  854ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   70ms
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   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.20.205.63 3600s linux387.unoeuro.com AS48854 team.blue Denmark A/S 185.20.204.0/22 🇩🇰 Denmark —
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.20.205.63
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   101ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   241ms
TXT Record
v=spf1 include:spf.simply.com ?all
✉️ SPF
PolicyRecord (natsyn.dk)
?all (neutral) 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   65ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
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
70ms
A
65ms
MX
53ms
AAAA
45ms
TXT
241ms
CAA
37ms
HTTPS
87ms
TLSA
65ms
SOA
0ms
MTA-STS
83ms
DNSSEC
128ms
SRV
101ms
Total
854ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 15:53:02 854ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 21:01:19 596ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 22:06:34 627ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 16:28:00 679ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 19:31:06 710ms 4 NS 1 A 1 MX 🔓 Insecure View
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