casaschack.dk is a .dk domain served by 2 nameservers (conrad.ns.cloudflare.com, tani.ns.cloudflare.com). It was registered on 8 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, 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.
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net include:spf.messagingengine.com include:_spf.google.com ~all |
| Policy | Record (casaschack.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net include:spf.messagingengine.com include:_spf.google.com ~all |
| www | Exists, no address |
| www vs bare domain | Neither resolves casaschack.dk: no address www.casaschack.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2414120563 |
| Primary NS (MNAME) | conrad.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-01-08 |
| Expires | 2027-01-31 (106d) |
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 |
|---|---|
| esasoft.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 07:35:14 | 2148ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-08 01:42:22 | 629ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-01 05:12:53 | 732ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-27 06:35:37 | 811ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-17 12:26:25 | 891ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-16 02:09:15 | 1614ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-08 23:24:22 shown | 1196ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-28 05:06:29 | 1031ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-27 04:29:58 | 805ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-26 04:25:43 | 1557ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-22 18:31:59 | 1980ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-01 12:08:42 | 9337ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-08 18:31:20 | 2178ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-07 05:10:37 | 2728ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-27 13:14:58 | 2531ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-24 08:47:01 | 1043ms | 2 NS 0 A 3 MX | ⚠️ Bogus |
| 2026-06-16 19:36:30 | 887ms | 2 NS 0 A 3 MX | 🔒 Secure |