visionweb.cz - robtex.com
visionweb.cz
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ 🔒 | ||||||
| NS | b.ns.nic.cz 🔒 | ||||||
| NS | c.ns.nic.cz 🔒 | ||||||
| NS | d.ns.nic.cz 🔒 | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1771291036 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSfrexi901.essilor.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●NSfrexi902.essilor.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●MXalt1.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●MXalt2.aspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●MXaspmx.l.google.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●MXaspmx2.googlemail.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
●MXaspmx3.googlemail.com2026-03-15 → 2026-03-23 · 2 obs
● 2026-03-23 00:38:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| visionweb.cz | frexi901.essilor.com, frexi902.essilor.com | - |
✅ Authoritative Response
Server:20.85.152.28
NS records: frexi901.essilor.com, frexi902.essilor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for visionweb.cz (unsigned zone)
⏱️ Timing
Total: 1149ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | frexi902.essilor.com, frexi901.essilor.com |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | frexi901.essilor.com misnetsupport.essil |
Analysis
Name Servers
visionweb.cz is delegated to two name servers: frexi901.essilor.com and frexi902.essilor.com.
visionweb.cz uses the same name server setup as other domains such as essilor.online, careerswithbbgr.co.uk, e-spf.jp, optiquesolidaire.org and meyeorder.fr.
Host names with one IP number:
frexi901.essilor.com points to: 193.242.5.220.
frexi902.essilor.com points to: 20.85.152.28.
Mail Servers
Five mail servers handle visionweb.cz: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
visionweb.cz shares mail servers with other domains at least partially; for instance soundmaster.cl, 8health.org, wheelsupdigital.com, nationaltradeshow.com and ns500693.ns500693.ns500693.ns500734.ns500699.ns500734.ns500699.ns500693.ns500693.ns500588.ns500588.ns500683.ns500632.ns500632.ns500588.ns500588.ns500588.dtrkdll.com.
These mail servers are often used alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27
aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26