healthalert.dk is a .dk domain served by 2 nameservers (jerome.ns.cloudflare.com, suzanne.ns.cloudflare.com). It was registered on 9 July 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 (healthalert.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.healthalert.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | Exists, no address |
| www vs bare domain | Neither resolves healthalert.dk: no address www.healthalert.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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2413695114 |
| Primary NS (MNAME) | jerome.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2012-07-09 |
| Expires | 2027-07-31 (278d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 09:40:26 | 432ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-16 07:54:12 | 505ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-09 21:01:49 | 440ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-03 15:00:14 | 466ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 19:27:39 | 432ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-25 18:42:24 | 539ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-05 18:34:20 shown | 547ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-26 19:26:53 | 10130ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 12:04:02 | 3893ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-11 21:44:02 | 1702ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-09 14:44:10 | 870ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-15 04:41:32 | 9775ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 03:25:09 | 1550ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 23:38:57 | 679ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 15:46:30 | 1001ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-19 22:10:09 | 2783ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:08:35 | 831ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:06:26 | 655ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 10:53:37 | 953ms | 2 NS 0 A 0 MX | 🔓 Insecure |