opsysweb.at - robtex.com
opsysweb.at
| DNSSEC | ⚠️ Not signed | ||||||
| NS | frexi901.essilor.com ⭐ | ||||||
| A | 193.242.5.220🇫🇷 ESSILOR193.242.5.0/24 Essilor International Creteil-Echat France | ||||||
| NS | frexi902.essilor.com | ||||||
| A | 20.85.152.28🇺🇸 Microsoft20.64.0.0/10 | ||||||
| SOA | frexi901.essilor.commisnetsupport@essilor.fr serial=13 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1774368002 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSfrexi901.essilor.com2026-03-15 → 2026-03-24 · 2 obs
● 2026-03-24 16:27:30
●NSfrexi902.essilor.com2026-03-15 → 2026-03-24 · 2 obs
● 2026-03-24 16:27:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | r.ns.at, ns2.univie.ac.at, n.ns.at, u.ns.at... | - |
| opsysweb.at | frexi901.essilor.com, frexi902.essilor.com | - |
✅ Authoritative Response
Server:193.242.5.220
NS records: frexi901.essilor.com, frexi902.essilor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opsysweb.at (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | frexi902.essilor.com, frexi901.essilor.com |
| SOA | 1 | frexi901.essilor.com misnetsupport.essil |
Analysis
Name Servers
Two name servers frexi901.essilor.com and frexi902.essilor.com are delegated to opsysweb.at.
opsysweb.at uses the same name server configuration as other domains, such as essilor.in, essilorvirtualexperience.com, variluxseries.pro, framesdirect.pt and mesverresnikon.fr.
opsysweb.at at least partially shares name servers with other domains such as 5.242.193.in-addr.arpa, bnl-eurolens.eu, opsysweb.bg, bnl-sunlenses.eu and crizal.info.
Host names with a single IP address:
frexi901.essilor.com points to 193.242.5.220
frexi902.essilor.com points to 20.85.152.28