opticron.dk is a .dk domain served by 4 nameservers (ns1.bb-online.net, ns2.bb-online.org, ns3.bb-online.uk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.77.56.63 is hosted by The Constant Company, LLC (AS20473) in United Kingdom. Mail is handled by mail4.bb-online.co.uk, mail1.bb-online.co.uk and 2 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 45.77.56.63 | — | 45.77.56.63.vultrusercontent.com | AS20473 | The Constant Company, LLC | 45.76.0.0/15 | 🇬🇧 United Kingdom | Canary Wharf |
| www CNAME | opticron.dk (all on opticron.dk) → 45.77.56.63 (AS20473) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2023011902 |
| Primary NS (MNAME) | ns1.bb-online.net |
| Responsible (RNAME) | postmaster@opticron.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 10800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 11:54:38 | 5383ms | 4 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-24 18:25:57 | 9907ms | 4 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 13:02:13 shown | 2727ms | 4 NS 1 A 4 MX | 🔓 Insecure |