sacoj.dk is a .dk domain served by 2 nameservers (ns3.nsentry.de, ns4.nsentry.de). It was registered on 18 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.sacoj.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns3.nsentry.de | 212.162.15.6 | ns3.nsentry.de | AS61157 PlusServer GmbH |
| ns4.nsentry.de | 213.203.243.76 | 76.0-255.243.203.213.in-addr.arpa | AS61157 PlusServer GmbH |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.sacoj.dk | — | — | — |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sacoj.dk: no address www.sacoj.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021051800 |
| Primary NS (MNAME) | ns3.nsentry.de |
| Responsible (RNAME) | do-not-reply@sacoj.dk |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2021-05-18 |
| Expires | 2027-05-31 (226d) |
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 |
|---|---|---|---|
| 2026-09-27 19:55:07 | 9829ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 10:17:35 shown | 629ms | 2 NS 0 A 1 MX | 🔓 Insecure |