rentacooler.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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.
| www | 104.21.84.253 172.67.200.36 2606:4700:3030::ac43:c824 2606:4700:3035::6815:54fd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rentacooler.dk: 104.21.84.253 172.67.200.36 2606:4700:3030::ac43:c824 2606:4700:3035::6815:54fd (AS13335) www.rentacooler.dk: 104.21.84.253 172.67.200.36 2606:4700:3030::ac43:c824 2606:4700:3035::6815:54fd (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2020092200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 19:06:53 | 616ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 07:42:29 | 2510ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 00:11:22 | 611ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 21:04:25 | 495ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 07:05:56 | 8469ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 15:46:37 | 485ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-27 05:43:01 | 500ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 20:26:14 | 1607ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 20:14:33 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:35:18 shown | 1635ms | 4 NS 0 A 0 MX | 🔒 Secure |