opencor.biz - robtex.com
opencor.biz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sarenet.es ⚠️ Not in zone NS records | ||||||
| A | 194.30.0.101🇪🇸 SARENET194.30.0.0/17 Clients of SARENET AS3262 | ||||||
| NS | ns2.sarenet.es ⚠️ Not in zone NS records | ||||||
| A | 212.81.130.10🇪🇸 SARENET212.81.128.0/17 Clients of SARENET AS3262 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1777000747 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSns1.sarenet.es2026-03-27 → 2026-04-24 · 2 obs
● 2026-04-24 03:41:10
●NSns2.sarenet.es2026-03-27 → 2026-04-24 · 2 obs
● 2026-04-24 03:41:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | y.gtld.biz, w.gtld.biz, m.gtld.biz, n.gtld.biz... | - |
| opencor.biz | ns2.sarenet.es, ns1.sarenet.es | - |
✅ Authoritative Response
Server:212.81.130.10
NS records: ns2.sarenet.es, ns1.sarenet.es
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencor.biz (unsigned zone)
⏱️ Timing
Total: 659ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
opencor.biz is delegated to two name servers ns1.sarenet.es and ns2.sarenet.es.
opencor.biz shares the same name server setup as other domains, for instance sarenet.net, cafte.com, rossli.com, ulmapolimero.com and sareplus.com.
opencor.biz shares at least some name servers with other domains, for example sp-dataserve.net, iberdrola.com.mx and iberdrola.us.
these name servers are often used together with nsusctmar04.iberdrola.com, nsusorsw104.iberdrola.com, dns2.iberdrola.es and dns.iberdrola.es.
Host names with one IP number:
ns1.sarenet.es points to 194.30.0.101
ns2.sarenet.es points to 212.81.130.10