clausenholding.dk
Last scanned: 2026-08-10 20:41:21  ·  832ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
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   52ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.206.194.30 43200s — AS39642 Sinal A/S 5.206.192.0/21 🇩🇰 Denmark Esbjerg
📧 MX Records1 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover5.206.194.30
🔶 Autoconfig5.206.194.30
🔷 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)
🔐 DNSSEC191ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
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
56ms
A
52ms
MX
59ms
AAAA
42ms
TXT
311ms
CAA
41ms
HTTPS
58ms
TLSA
61ms
SOA
0ms
MTA-STS
50ms
DNSSEC
191ms
SRV
295ms
Total
832ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 20:41:21 832ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 06:25:08 744ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 10:06:11 782ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 03:14:40 510ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 03:33:29 912ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 17:31:21 1547ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 16:58:54 1183ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 21:10:50 501ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone