dworkin.dk is a .dk domain served by 3 nameservers (ns01.trademarkarea.com, ns02.trademarkarea.com, ns03.trademarkarea.com). It was registered on 4 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.231.136 is hosted by Eurofiber Cloud Infra B.V. (AS25459) in The Netherlands. Mail is handled by dworkin-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.243.231.136 | 84600s | — | AS25459 | Eurofiber Cloud Infra B.V. | 77.243.224.0/20 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | dwcert.dworkin.eu → 77.243.231.136 |
| TXT Record |
|---|
| MS=ms86103304 |
| v=spf1 mx a:mail.dworkin.eu a:prague.dworkin.eu a:esaned.dworkin.eu a:esa.dworkin.eu include:spf.protection.outlook.com -all |
| Policy | Record (dworkin.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.dworkin.eu a:prague.dworkin.eu a:esaned.dworkin.eu a:esa.dworkin.eu include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dworkin.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@dworkin.dk,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc_ruf@dworkin.dk; |
| www CNAME | dwcert.dworkin.eu (all on dworkin.eu) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dworkin-dk._domainkey.dworkincloud.onmicrosoft.com | RSA · ~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: 6/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dworkin.dk | dwcert.dworkin.eu |
| 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 | 2019110278 |
| Primary NS (MNAME) | ns01.trademarkarea.com |
| Responsible (RNAME) | postmaster@dworkin.dk |
| Refresh | 3660s |
| Retry | 1000s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 84600s |
| Field | Value |
|---|---|
| Registrar | Marcaria.com LLC |
| Registered | 2019-11-04 |
| Expires | 2026-11-30 (43d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-15 12:17:27 shown | 6162ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 21:42:14 | 3231ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:04:43 | 2791ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 06:43:22 | 4283ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:31:10 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 19:35:20 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:48:18 | 1160ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:05:24 | 2368ms | 3 NS 1 A 1 MX | 🔓 Insecure |