lindholmbusinesscenter.dk
Last scanned: 2026-08-27 23:14:07  ·  596ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.41.130 3600s linux102.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records2 records   61ms
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 Records1 records   175ms
TXT Record
v=spf1 include:spf.onlinemail.io ?all
✉️ SPF
PolicyRecord (lindholmbusinesscenter.dk)
?all (neutral) v=spf1 include:spf.onlinemail.io ?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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2021120907
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
55ms
A
42ms
MX
61ms
AAAA
37ms
TXT
175ms
CAA
56ms
HTTPS
32ms
TLSA
91ms
SOA
0ms
MTA-STS
95ms
DNSSEC
109ms
SRV
80ms
Total
596ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:14:07 596ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-24 22:28:18 500ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-23 19:50:18 600ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 10:26:12 2043ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 16:28:08 856ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 07:18:12 551ms 2 NS 1 A 2 MX 🔒 Secure View
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