dukop.dk is a .dk domain served by 5 nameservers (freedns1.registrar-servers.com, freedns2.registrar-servers.com, freedns3.registrar-servers.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.139.20.58 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by eforward1.registrar-servers.com, eforward2.registrar-servers.com and 3 more. 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 |
|---|---|---|---|
| freedns1.registrar-servers.com | — | — | — |
| freedns2.registrar-servers.com | — | — | — |
| freedns3.registrar-servers.com | — | — | — |
| freedns4.registrar-servers.com | — | — | — |
| freedns5.registrar-servers.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.139.20.58 | — | dukop.dk | AS14061 | DigitalOcean, LLC | 37.139.0.0/19 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| v=spf1 ip4:37.139.20.58 include:spf.efwd.registrar-servers.com ~all |
| Policy | Record (dukop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:37.139.20.58 include:spf.efwd.registrar-servers.com ~all |
| www | 37.139.20.58 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| s1 | s1.domainkey.u20851613.wl114.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u20851613.wl114.sendgrid.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1746373181 |
| Primary NS (MNAME) | freedns1.registrar-servers.com |
| Responsible (RNAME) | hostmaster@registrar-servers.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3601s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:11:06 | 1130ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-26 18:03:22 | 1576ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-25 05:14:32 | 1613ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 23:41:27 | 1159ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 15:02:27 | 1723ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 05:20:05 shown | 2320ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 05:07:33 | 19987ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 05:00:46 | 1140ms | 5 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 05:00:44 | 1135ms | 5 NS 1 A 5 MX | 🔓 Insecure |