rum21.dk is a .dk domain with no delegation in this scan. It was registered on 2 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 | 104.18.30.120 104.18.31.120 2606:4700::6812:1e78 2606:4700::6812:1f78 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u9880187.wl188.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u9880187.wl188.sendgrid.net | 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 | Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown). |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2010-12-02 |
| Expires | 2026-12-31 (69d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 02:33:29 | 668ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 12:42:53 | 2107ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 12:12:15 | 762ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:55:51 | 797ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 04:52:07 | 1104ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 19:08:40 | 1526ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 18:32:19 | 886ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 17:59:22 | 4788ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 14:17:14 | 12221ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 14:03:00 | 2125ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 06:42:58 | 1450ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 06:24:53 | 3775ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 12:31:23 shown | 946ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:07:31 | 3217ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 08:14:22 | 4028ms | 2 NS 2 A 1 MX | 🔓 Insecure |