facebookappcenter.dk is a .dk domain served by 4 nameservers (a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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 a ~all |
| Policy | Record (facebookappcenter.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves facebookappcenter.dk: no address www.facebookappcenter.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 4207849484 |
| Primary NS (MNAME) | a.ns.facebook.com |
| Responsible (RNAME) | dns@facebook.com |
| Refresh | 14400s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 00:55:24 | 522ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-27 17:19:39 shown | 9402ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 17:17:46 | 799ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 10:31:36 | 27239ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 10:26:53 | 24591ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 01:01:31 | 15323ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:21:17 | 19734ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:11:03 | 9416ms | 0 NS 0 A 0 MX | ❓ Unknown |