fellow.dk is a .dk domain with no delegation in this scan. It was registered on 3 January 2023 (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 CNAME | mly92ha9.up.railway.app (all on railway.app) → 69.46.46.38 (AS400940) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u57698740.wl241.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u57698740.wl241.sendgrid.net | RSA · ~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 | Simply.com A/S |
| Registered | 2023-01-03 |
| Expires | 2027-01-02 (72d) |
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 |
|---|---|---|---|
| 2026-10-17 00:32:53 | 1451ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 17:19:05 | 1630ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 16:28:21 | 993ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 01:15:37 | 1561ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 01:08:34 | 2099ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:51:59 | 1516ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 16:28:19 | 1961ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 15:39:55 | 1770ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 13:44:12 | 1589ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 07:08:11 | 1634ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 05:42:42 | 1148ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 00:35:01 | 2597ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 17:41:46 | 1713ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 17:08:16 | 9840ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 04:33:03 | 2803ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 22:19:39 | 1426ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 15:09:51 shown | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 20:55:14 | 1610ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:45:34 | 1372ms | 3 NS 1 A 1 MX | 🔒 Secure |