centera.dk is a .dk domain served by 2 nameservers (curt.ns.cloudflare.com, hera.ns.cloudflare.com). It was registered on 7 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 (centera.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.centera.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:5ea033a1c1d51@dmarc.centerasecurity.com; |
| www | Exists, no address |
| www vs bare domain | Neither resolves centera.dk: no address www.centera.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2411569241 |
| Primary NS (MNAME) | curt.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 | 2020-02-07 |
| Expires | 2029-02-28 (864d) |
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 |
|---|---|
| centerasecurity.dk | Punktum dk A/S (direct) |
| cetacyberdefence.dk | Punktum dk A/S (direct) |
| cetacyberdefense.dk | Punktum dk A/S (direct) |
| spf-protect.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 23:17:42 | 345ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 10:10:25 | 390ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-21 12:34:44 | 558ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-16 05:38:23 | 9339ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 09:34:53 | 938ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 13:21:53 | 412ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 10:10:49 shown | 2682ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-20 17:12:06 | 1913ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-11 17:54:19 | 783ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 15:57:26 | 2498ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-22 17:36:04 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 19:20:05 | 409ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:05:53 | 509ms | 2 NS 0 A 0 MX | 🔒 Secure |