fvuonline.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 25 April 2014 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | Exists, no address |
| www vs bare domain | Neither resolves fvuonline.dk: no address www.fvuonline.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2417805873 |
| Primary NS (MNAME) | lucy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-04-25 |
| Expires | 2027-04-30 (192d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 07:21:39 shown | 947ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 02:13:31 | 785ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 12:23:34 | 602ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 14:29:59 | 476ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 14:21:12 | 978ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 04:55:45 | 843ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 04:11:58 | 1032ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 03:30:35 | 517ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 03:13:30 | 523ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-20 07:13:46 | 514ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-06 13:36:04 | 877ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 04:44:20 | 914ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 17:03:20 | 2072ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-19 05:05:57 | 3487ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 00:37:01 | 902ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 22:44:23 | 676ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-17 02:52:36 | 8664ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 17:28:31 | 768ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 03:17:26 | 2626ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 09:59:37 | 4812ms | 2 NS 0 A 0 MX | 🔒 Secure |