hayu.dk is a .dk domain served by 7 nameservers (ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 more). It was registered on 18 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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 | NXDOMAIN |
| www vs bare domain | Neither resolves hayu.dk: no address www.hayu.dk: no address |
| Wildcard | No |
| 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 | 2019080901 |
| Primary NS (MNAME) | ns1.markmonitor.com |
| Responsible (RNAME) | hostmaster@markmonitor.com |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2592000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2015-09-18 |
| Expires | 2027-09-30 (343d) |
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 |
|---|---|---|---|
| 2026-10-22 04:05:15 | 1724ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-04 06:22:09 | 1297ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-28 10:50:17 | 944ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 09:52:59 | 662ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 08:36:51 | 1027ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:32:55 shown | 551ms | 7 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 10:50:48 | 1736ms | 7 NS 0 A 0 MX | 🔓 Insecure |