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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.207.214.43 | 43200s | vm43.serversite.dk | AS205206 | Netsite A/S | 91.207.214.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | 9900.dk | 91.207.214.43 | vm43.serversite.dk | AS205206 Netsite A/S |
| www CNAME | 9900.dk (all on 9900.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | EhGdzRN+vZFIpC7HgKFxysZIZuY8f1DZ7Aop0qDf… |
| ZSK | ECDSA P-256/SHA-256 | P614IKdACYsr3mej7curllZPNWNeoiQSYQt5WSJr… |
| Field | Value |
|---|---|
| Serial | 2026032501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-12-13 |
| Expires | 2026-12-31 (75d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:10:00 | 483ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 05:36:01 | 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 shown | 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 |