leonardo-co.dk is a .dk domain served by 2 nameservers (ns.it.colt.net, ns2.it.colt.net). It was registered on 26 March 2013 (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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.it.colt.net | 212.74.78.46 | ns.it.colt.net | AS8220 COLT Technology Services Group Limited |
| ns2.it.colt.net | 212.74.77.46 | ns2.it.colt.net | AS8220 COLT Technology Services Group Limited |
| www CNAME | www.leonardo-co.com (all on leonardo-co.com) |
| www vs bare domain | Only www resolves (all like this) |
| 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 | 2014100200 |
| Primary NS (MNAME) | ns.it.colt.net |
| Responsible (RNAME) | dns-requests@colt.net |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2013-03-26 |
| Expires | 2027-03-31 (161d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:40:33 | 2896ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 20:58:14 | 3158ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 07:12:54 | 5361ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:08:25 shown | 808ms | 2 NS 0 A 0 MX | 🔓 Insecure |