leadershipmatters.dk is a .dk domain served by 4 nameservers (ns1.webink.cloud, ns2.webink.cloud, ns3.webink.cloud and 1 more). It was registered on 10 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.75.248.51 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 5.75.248.51 | 3600s | static.51.248.75.5.clients.your-server.de | AS24940 | Hetzner Online GmbH | 5.75.128.0/17 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| brevo-code:b66fb68cdaf5814b02d19ddf790e6f2a |
| protonmail-verification=0edf5b841ecdf99d2b9c083c6af95c536b7d372a |
| v=spf1 a include:_spf.google.com include:_spf.protonmail.ch include:_spf.elasticemail.com ~all |
| Policy | Record (leadershipmatters.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:_spf.google.com include:_spf.protonmail.ch include:_spf.elasticemail.com ~all |
| Policy | Record (_dmarc.leadershipmatters.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www CNAME | leadershipmatters.dk (all on leadershipmatters.dk) → 5.75.248.51 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 6/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2025103007 |
| Primary NS (MNAME) | ns1.webink.cloud |
| Responsible (RNAME) | jak@webink.dk |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-11-10 |
| Expires | 2026-11-30 (41d) |
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).
| Domain | Registrar |
|---|---|
| dårligledelse.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:14:44 shown | 692ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-18 18:46:54 | 726ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-05 13:03:18 | 14184ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 04:14:45 | 761ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 16:46:47 | 8969ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 13:20:35 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:59:18 | 3980ms | 4 NS 1 A 2 MX | 🔓 Insecure |