systemsonline.dk
Last scanned: 2026-08-12 13:12:19  ·  5105ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.104.221.116 43200s 87-104-221-116-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.104.192.0/19 🇩🇰 Denmark —
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mx10.systemsonline.dk 5.103.41.174 exchange.corporate-it.dk AS44869 FIBIA P/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover87.104.221.116
🔶 Autoconfig87.104.221.116
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA44ms
FieldValue
Serial2026081101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
40ms
MX
40ms
AAAA
34ms
TXT
199ms
CAA
44ms
HTTPS
46ms
TLSA
474ms
SOA
44ms
MTA-STS
47ms
DNSSEC
87ms
SRV
72ms
Total
5105ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 13:12:19 5105ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 08:59:10 1909ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 02:33:11 2129ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 19:21:29 606ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 16:58:25 1304ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 02:16:11 5736ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 23:52:13 1006ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 22:36:30 1065ms 2 NS 1 A 1 MX 🔒 Secure View
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