303.dk
📜 Historical scan 2026-06-16 13:12:58  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   82ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —
🌍 A Records1 records   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.186 — linux163.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   85ms
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   266ms
TXT Record
v=spf1 include:spf.simply.com ~all
✉️ SPF
PolicyRecord (303.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   87ms
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…
🔐 DNSSEC2087ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA83ms
FieldValue
Serial2026042000
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
82ms
A
77ms
MX
85ms
AAAA
83ms
TXT
266ms
CAA
79ms
HTTPS
86ms
TLSA
87ms
SOA
83ms
MTA-STS
35ms
DNSSEC
2087ms
SRV
0ms
Total
2563ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-30 22:02:06 749ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-23 15:14:07 985ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 02:31:59 972ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:28:00 8153ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:12:58 2563ms 4 NS 1 A 1 MX 🔒 Secure View
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