9900.dk

📜 Historical scan 2026-09-25 05:36:01  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

9900.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 December 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.207.214.43 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by 9900.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   29ms

🌍 A Records#

1 records   29ms

📧 MX Records#

1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s 9900.dk 91.207.214.43 vm43.serversite.dk AS205206 Netsite A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover9900.dk → 9900.dk.
🔶 Autoconfig9900.dk → 9900.dk.

🔷 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 11:46:22
www CNAME9900.dk (all on 9900.dk)
www vs bare domainSame network
9900.dk: 91.207.214.43 (AS205206)
www.9900.dk: 91.207.214.43 (AS205206)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.9900.dk 9900.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092501
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-13 16:30:16
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2005-12-13
Expires2026-12-31 (75d)

🔗 Same registrant#

33 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
29ms
MX
40ms
AAAA
31ms
TXT
140ms
CAA
30ms
HTTPS
42ms
TLSA
92ms
SOA
0ms
MTA-STS
52ms
DNSSEC
108ms
SRV
48ms
Total
719ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 06:10:00 483ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 05:36:01 shown 719ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 05:31:58 845ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-16 12:28:23 503ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-28 13:03:51 708ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-16 12:36:38 759ms 2 NS 1 A 1 MX 🔒 Secure
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