9900.dk
Last scanned: 2026-08-16 12:28:23  ·  503ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   13ms
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   7ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.207.214.43 43200s vm43.serversite.dk AS205206 Netsite A/S 91.207.214.0/23 🇩🇰 Denmark —
📧 MX Records1 records   6ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s 9900.dk 91.207.214.43 vm43.serversite.dk AS205206 Netsite A/S
🔷 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
CNAME _acme-challenge.9900.dk 9900.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC115ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
Key typeAlgorithmPublic key
KSK ECDSA P-256/SHA-256 EhGdzRN+vZFIpC7HgKFxysZIZuY8f1DZ7Aop0qDf…
ZSK ECDSA P-256/SHA-256 P614IKdACYsr3mej7curllZPNWNeoiQSYQt5WSJr…
🏷️ SOA6ms
FieldValue
Serial2026032501
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
13ms
A
7ms
MX
6ms
AAAA
7ms
TXT
63ms
CAA
10ms
HTTPS
22ms
TLSA
109ms
SOA
6ms
MTA-STS
7ms
DNSSEC
115ms
SRV
0ms
Total
503ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-16 12:28:23 503ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 13:03:51 708ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:36:38 759ms 2 NS 1 A 1 MX 🔒 Secure View
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