oo.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 August 2002 (WHOIS) and 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 CNAME | oo.dk (all on oo.dk) → 162.55.97.110 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-oo-dk._domainkey.oocloud.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-oo-dk._domainkey.oocloud.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024010303 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2002-08-28 |
| Expires | 2027-09-30 (347d) |
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 |
|---|---|
| 49210813.dk | Punktum dk A/S (direct) |
| blackboxtv29.dk | CURANET A/S |
| brane.dk | CURANET A/S |
| er-horsens.dk | Punktum dk A/S (direct) |
| lonehum.dk | Punktum dk A/S (direct) |
| peterhojland.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 22:05:15 | 1130ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:47:17 | 935ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 15:58:30 | 837ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 15:50:35 shown | 346ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 22:34:17 | 2185ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:01:58 | 1457ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 19:13:20 | 1519ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 11:40:39 | 1721ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 23:33:12 | 1459ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:36:43 | 2436ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 01:05:26 | 832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 11:10:17 | 991ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:31:33 | 855ms | 2 NS 1 A 1 MX | 🔓 Insecure |