opsysweb.bg - robtex.com
opsysweb.bg
| 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 | ||||||
bg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.bg ⭐ 🔒 | ||||||
| NS | b.nic.bg 🔒 | ||||||
| NS | c.nic.bg 🔒 | ||||||
| NS | d.nic.bg 🔒 | ||||||
| NS | e.nic.bg 🔒 | ||||||
| NS | p.nic.bg 🔒 | ||||||
| SOA | a.nic.bghostmaster@register.bg 2026-02-16 #17 | ||||||
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 08:25:52
● 2026-03-23 06:26:16
● 2026-03-23 06:26:16
●NSfrexi902.essilor.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-15 08:25:52
● 2026-03-23 06:26:16
● 2026-03-23 06:26:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bg | a.nic.bg, b.nic.bg, c.nic.bg, d.nic.bg... | - |
| opsysweb.bg | 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.bg (unsigned zone)
⏱️ Timing
Total: 685ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | frexi901.essilor.com, frexi902.essilor.com |
| SOA | 1 | frexi901.essilor.com misnetsupport.essil |
Analysis
Name Servers
Two name servers frexi901.essilor.com and frexi902.essilor.com handle the delegation for opsysweb.bg.
opsysweb.bg shares the same name server setup as other domains, for instance essilor-vision-foundation.com.cn, essilor.vision, x-tend.fr, bbgr.ma and varilux.info.
Host names with one IP:
frexi901.essilor.com points to: 193.242.5.220
frexi902.essilor.com points to: 20.85.152.28