dac-uddannelsen.dk
Last scanned: 2026-08-11 03:37:09  ·  4674ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.188.72.86 3600s vps1297.basicserver.io AS48854 team.blue Denmark A/S 89.188.72.0/21 🇩🇰 Denmark —
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.188.72.86
🔶 Autoconfig89.188.72.86
🔷 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.dac-uddannelsen.dk qX9KMkJtcAOrBqF4rOQnDmeGHlqWhgFNOYOBoU9aAhI
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA42ms
FieldValue
Serial2026080601
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
37ms
A
53ms
MX
44ms
AAAA
31ms
TXT
176ms
CAA
45ms
HTTPS
47ms
TLSA
60ms
SOA
42ms
MTA-STS
69ms
DNSSEC
90ms
SRV
70ms
Total
4674ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 03:37:09 4674ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 19:56:59 2654ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 09:28:18 32650ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 06:15:38 734ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 01:40:41 627ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:35:22 420ms 2 NS 1 A 0 MX 🔒 Secure View
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