dentsu.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 27 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.101.48.162 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by relay1.netnames.net, relay2.netnames.net. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.101.48.162 | 86400s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | relay1.netnames.net | 185.26.230.83 | relay1.netnames.net | — |
| 20 | 86400s | relay2.netnames.net | 185.26.230.89 | relay2.netnames.net | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (dentsu.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www CNAME | dentsu.dk (all on dentsu.dk) → 20.101.48.162 (AS8075) |
| www vs bare domain | Same network |
| 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2018073011 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2015-01-27 |
| Expires | 2027-01-31 (101d) |
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 |
|---|---|
| digitaltakakademi.dk | CSC Digital Brand Service, Inc |
| mediapedia.dk | CSC Digital Brand Service, Inc |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 10:23:25 | 709ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-07 15:00:49 shown | 1728ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 15:35:35 | 658ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 02:20:32 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 02:06:18 | 458ms | 2 NS 1 A 2 MX | 🔓 Insecure |