computer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.39.75 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mailgate.cybercity.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 |
|---|---|---|---|---|---|---|---|
| 77.66.39.75 | 43200s | — | AS47292 | Sentia Denmark A/S | 77.66.32.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 43200s | mailgate.cybercity.dk | 212.88.64.50 | relay.telenor.dk | AS9158 Telenor A/S |
| www | 77.66.39.75 (AS47292) (address records, no CNAME) |
| 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 | 2026092201 |
| 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 | 1997-01-31 |
| Expires | 2030-03-31 (1260d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 08:26:47 | 1232ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:02:14 | 468ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 03:47:50 | 898ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:27:43 | 673ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 16:28:06 shown | 881ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 06:36:31 | 2688ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 15:30:27 | 648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 06:20:45 | 768ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 13:41:54 | 620ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 14:05:25 | 764ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 22:50:03 | 2678ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 18:53:15 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:01:30 | 890ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 15:32:48 | 960ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:44:29 | 52194ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:09:23 | 1331ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:07:39 | 543ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:00:34 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure |