duko.dk
Last scanned: 2026-08-15 04:27:30  ·  703ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   59ms
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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.236.128.45 600s — AS8075 Microsoft Corporation 52.224.0.0/11 🇳🇱 The Netherlands Amsterdam
📧 MX Records2 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 21600s mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   194ms
TXT Record
google-site-verification=ZHd2jTJAfY9X0zFmh9gU-pRxHDzfVWi3TvW30QWkviI
✉️ 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)
🔐 DNSSEC178ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081301
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
59ms
A
49ms
MX
60ms
AAAA
76ms
TXT
194ms
CAA
68ms
HTTPS
75ms
TLSA
73ms
SOA
0ms
MTA-STS
84ms
DNSSEC
178ms
SRV
125ms
Total
703ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-15 04:27:30 703ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-15 06:38:12 6490ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 05:32:52 11704ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:06:18 371ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:02:44 1654ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 05:00:52 2488ms 2 NS 1 A 2 MX 🔒 Secure View
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