optimal-minimal.dk
Last scanned: 2026-08-12 05:31:30  ·  1394ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   81ms
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 Records3 records   71ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.90.114.110 600s zabbix01.fab-it.dk AS45032 Fab:IT ApS 93.90.112.0/20 🇩🇰 Denmark —
93.90.114.111 600s backup07.fab-it.dk AS45032 Fab:IT ApS 93.90.112.0/20 🇩🇰 Denmark —
93.90.114.112 600s — AS45032 Fab:IT ApS 93.90.112.0/20 🇩🇰 Denmark —
📧 MX Records2 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
10 7200s mailscan01.fab-it.dk 93.90.114.120
93.90.114.122		 se01.fab-it.dk
se02.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
10 7200s mailscan02.fab-it.dk 93.90.114.121
93.90.114.123		 se01-2.fab-it.dk
se02-2.fab-it.dk		 AS45032 Fab:IT ApS
AS45032 Fab:IT ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   333ms
TXT Record
v=spf1 mx a include:spf.se.fab-it.dk -all
✉️ SPF
PolicyRecord (optimal-minimal.dk)
-all (hard fail) v=spf1 mx a include:spf.se.fab-it.dk -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)
🔐 DNSSEC207ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
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
81ms
A
71ms
MX
71ms
AAAA
75ms
TXT
333ms
CAA
69ms
HTTPS
75ms
TLSA
179ms
SOA
0ms
MTA-STS
49ms
DNSSEC
207ms
SRV
304ms
Total
1394ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 05:31:30 1394ms 2 NS 3 A 2 MX 🔒 Secure View
2026-07-17 23:21:14 3895ms 2 NS 3 A 2 MX 🔒 Secure View
2026-07-11 23:18:22 975ms 2 NS 3 A 2 MX 🔒 Secure View
2026-06-21 14:55:04 887ms 2 NS 3 A 2 MX 🔒 Secure View
2026-06-18 06:02:59 778ms 2 NS 3 A 2 MX 🔒 Secure View
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