00011.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.103.136.165 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.semark.dk, adsl.semark.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 5.103.136.165 | 3600s | 5.103.136.165.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.semark.dk | 83.151.155.21 | mail.semark.dk | AS31027 GlobalConnect A/S |
| 20 | 43200s | adsl.semark.dk | 83.151.155.18 | — | AS31027 GlobalConnect A/S |
| www CNAME | 00011.dk (all on 00011.dk) → 5.103.136.165 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 |
| Field | Value |
|---|---|
| Serial | 2026100101 |
| 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 | 2000-02-04 |
| Expires | 2027-03-31 (165d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 00:22:10 shown | 429ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 19:47:37 | 795ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 10:13:14 | 726ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 14:49:49 | 3099ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 14:14:04 | 2110ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:31:54 | 451ms | 2 NS 1 A 2 MX | 🔒 Secure |