opero.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, jack.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 167.235.106.90 |
| 🔶 Autoconfig | 167.235.106.90 |
| Policy | Record (_dmarc.opero.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:1a427809f52843d29d04d0324bf7e67e@dmarc-reports.cloudflare.net |
| www | 167.235.106.90 (AS24940) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2410608543 |
| Primary NS (MNAME) | etta.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 01:51:42 | 1206ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-25 00:18:53 | 2265ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-22 20:58:17 | 1073ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-08 02:49:32 | 1154ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-26 18:55:08 | 668ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-28 04:58:55 shown | 703ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-27 04:36:56 | 784ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-09 06:07:20 | 1330ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-04 12:53:56 | 2619ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 12:19:29 | 1213ms | 2 NS 0 A 0 MX | ⚠️ Bogus |