crowdstrikexdr.dk is a .dk domain served by 2 nameservers (eric.ns.cloudflare.com, kay.ns.cloudflare.com). It was registered on 4 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by inbound-smtp.us-east-1.amazonaws.com. The zone is not DNSSEC-signed, publishes a 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 -all |
| Policy | Record (crowdstrikexdr.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.crowdstrikexdr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves crowdstrikexdr.dk: no address www.crowdstrikexdr.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2410814152 |
| Primary NS (MNAME) | eric.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2021-10-04 |
| Expires | 2027-10-03 (349d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 17:20:32 | 9450ms | 6 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-18 17:21:53 | 2382ms | 6 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-17 03:30:28 | 6434ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-14 18:06:02 | 3750ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-02 13:09:48 | 3050ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-02 06:43:21 | 9593ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-13 11:57:28 | 1206ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-06 14:38:41 shown | 25113ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-19 10:51:52 | 1452ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-01 19:32:01 | 1018ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 03:19:09 | 919ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 00:04:00 | 65535ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:21:43 | 1645ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:01:25 | 2494ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:00:35 | 440ms | 2 NS 0 A 1 MX | 🔓 Insecure |