doubleclick.dk is a .dk domain served by 7 nameservers (ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (doubleclick.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves doubleclick.dk: no address www.doubleclick.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 | 2009061730 |
| Primary NS (MNAME) | ns1.markmonitor.com |
| Responsible (RNAME) | dns-admin@google.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 06:02:50 shown | 1515ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-31 14:36:09 | 2016ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-25 06:31:48 | 3417ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 01:22:42 | 1126ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 04:20:45 | 364ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 04:20:22 | 554ms | 7 NS 0 A 0 MX | 🔓 Insecure |