operatorsystems.dk is a .dk domain served by 2 nameservers (ns1.domeny.host, ns2.domeny.host). It was registered on 18 August 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.152.11.101 is hosted by Cyber_Folks S.A. (AS29522) in Poland. Mail is handled by mail.operatorsystems.dk. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.domeny.host | 94.152.254.105 | ns1.domeny.host | AS29522 Cyber_Folks S.A. |
| ns2.domeny.host | 94.152.255.105 | ns2.domeny.host | AS29522 Cyber_Folks S.A. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.152.11.101 | — | kimberly.rev.cyber-folks.pl | AS29522 | Cyber_Folks S.A. | 94.152.0.0/17 | 🇵🇱 Poland | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.operatorsystems.dk | 94.152.11.101 | kimberly.rev.cyber-folks.pl | AS29522 Cyber_Folks S.A. |
| TXT Record |
|---|
| v=spf1 a mx include:spf.domeny.com ~all |
| Policy | Record (operatorsystems.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.domeny.com ~all |
| www | 94.152.11.101 (AS29522) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'operatorsystems.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2020033102 |
| Primary NS (MNAME) | ns2.domeny.host |
| Responsible (RNAME) | admin@domeny.host |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-08-18 |
| Expires | 2027-08-31 (315d) |
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 |
|---|---|---|---|
| 2026-09-30 13:40:15 | 3974ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 22:28:37 | 11859ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 17:42:07 | 5099ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 11:50:32 | 5443ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 10:55:07 | 4914ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 16:06:48 | 7178ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 10:01:33 | 1837ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:49:33 | 1091ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 11:12:09 | 1121ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:53:01 shown | 3191ms | 2 NS 1 A 1 MX | ⚠️ Bogus |