opsysweb.co - robtex.com
opsysweb.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | frexi901.essilor.com ⭐ | ||||||
| A | 193.242.5.220🇫🇷 ESSILOR193.242.5.0/24 Essilor International Creteil-Echat France | ||||||
| PTR | frexi901.essilor.com | ||||||
| NS | frexi902.essilor.com | ||||||
| A | 20.85.152.28🇺🇸 Microsoft20.64.0.0/10 | ||||||
| SOA | frexi901.essilor.commisnetsupport@essilor.fr serial=13 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759615358 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSfrexi901.essilor.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 08:27:44
● 2026-03-23 06:16:32
● 2026-03-23 06:16:32
●NSfrexi902.essilor.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 08:27:44
● 2026-03-23 06:16:32
● 2026-03-23 06:16:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| opsysweb.co | frexi902.essilor.com, frexi901.essilor.com | - |
✅ Authoritative Response
Server:193.242.5.220
NS records: frexi902.essilor.com, frexi901.essilor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opsysweb.co (unsigned zone)
⏱️ Timing
Total: 557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | frexi901.essilor.com, frexi902.essilor.com |
| SOA | 1 | frexi901.essilor.com misnetsupport.essil |
Analysis
Name Servers
opsysweb.co is delegated to two name servers: frexi901.essilor.com and frexi902.essilor.com.
opsysweb.co uses the same name server setup as other domains, for instance essilor-luxottica.fr, visionweb.com, variluxseries.org, luxottica-essilor.pro and essilor.fi.
Host names with one IP number:
frexi901.essilor.com points to: 193.242.5.220.
frexi902.essilor.com points to: 20.85.152.28.