sustainablesystems.dk is a .dk domain served by 4 nameservers (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and 1 more). It was registered on 1 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.187.147.62 is hosted by A2 Hosting, Inc. (AS55293) in United States. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 85.187.147.62 | 14400s | 85.187.147.62.static.a2webhosting.com | AS55293 | A2 Hosting, Inc. | 85.187.144.0/21 | 🇺🇸 United States | — |
| www CNAME | sustainablesystems.dk (all on sustainablesystems.dk) → 85.187.147.62 (AS55293) |
| 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 | 2026042900 |
| Primary NS (MNAME) | ns1.a2hosting.com |
| Responsible (RNAME) | root@az1-ss10.a2hosting.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-09-01 |
| Expires | 2027-07-31 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 20:59:50 shown | 525ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 12:48:27 | 859ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 06:28:52 | 1573ms | 4 NS 1 A 0 MX | 🔓 Insecure |