startupdays.dk
Last scanned: 2026-08-27 05:13:07  ·  636ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.106.21 3600s linux201.curanet.dk AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records2 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
20 3600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfigautoconfig-mf.onlinemail.io → 185.21.40.62
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   157ms
TXT Record
Sendinblue-code:8951b3b113a8b213985fa34ad1de447e
v=spf1 include:spf.sendinblue.com include:spf.onlinemail.io mx ~all
✉️ SPF
PolicyRecord (startupdays.dk)
~all (soft fail) v=spf1 include:spf.sendinblue.com include:spf.onlinemail.io mx ~all
📨 DMARC
PolicyRecord (_dmarc.startupdays.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400
📬 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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022090902
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
30ms
A
45ms
MX
34ms
AAAA
43ms
TXT
157ms
CAA
39ms
HTTPS
55ms
TLSA
54ms
SOA
0ms
MTA-STS
57ms
DNSSEC
95ms
SRV
73ms
Total
636ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:13:07 636ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 21:42:12 554ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 07:28:18 545ms 2 NS 1 A 2 MX 🔒 Secure View
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