operis.cz - robtex.com
operis.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=1784440041 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSalfa.ns.active24.cz2016-03-24 → 2020-04-02 · 4 obs
● 2020-04-02 23:59:24
○ 2026-06-13 09:12:08
○ 2026-07-19 06:18:20
○NSbeta.ns.active24.cz2016-03-24 → 2020-04-02 · 4 obs
● 2020-04-02 23:59:24
○ 2026-06-13 09:12:08
○ 2026-07-19 06:18:20
○NSgama.ns.active24.sk2016-03-24 → 2020-04-02 · 4 obs
● 2020-04-02 23:59:24
○ 2026-06-13 09:12:08
○ 2026-07-19 06:18:20
●NSns.ixoxi.net2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 09:12:08
● 2026-07-19 06:18:20
●NSns1.ixoxi.cloud2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 09:12:08
● 2026-07-19 06:18:20
●MXoperis-cz.mail.protection.outlook.com2020-04-02 → 2026-07-19 · 2 obs
● 2026-07-19 06:18:20
●A193.33.140.82026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 09:12:08
● 2026-07-19 06:18:20
○A77.93.206.2312020-04-02 → 2020-04-02 · 4 obs
● 2020-04-02 23:59:24
○ 2026-06-13 09:12:08
○ 2026-07-19 06:18:20
○A81.95.96.292016-03-24 → 2017-04-10 · 4 obs
● 2017-04-10 20:09:00
○ 2020-04-02 23:59:24
○ 2026-07-19 06:18:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| operis.cz | ns.ixoxi.net, ns1.ixoxi.cloud | - |
✅ Authoritative Response
Server:20.47.113.42
NS records: ns.ixoxi.net, ns1.ixoxi.cloud
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for operis.cz (unsigned zone)
⏱️ Timing
Total: 943ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.33.140.8 |
| NS | 2 | ns1.ixoxi.cloud, ns.ixoxi.net |
| MX | 1 | operis-cz.mail.protection.outlook.com (p |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, google-site-verification=3T1Dy1o-XT9Gwzq... |
| SOA | 1 | ns1.ixoxi.cloud root.operis.cz |
Analysis
IP Addresses
operis.cz resolves to one IP address: 193.33.140.8.
meridien.cz, xair.aero, avamplus.cz and two other host names share IP numbers with operis.cz.
Name Servers
Two name servers handle the delegation for operis.cz: ns1.ixoxi.cloud and ns.ixoxi.net.
operis.cz uses the same name servers as several other domains — among them iaip.cz, aseko.com, masan.cz and two more.
The name servers for operis.cz are partially shared with other domains like xair.aero, i-registry.cz and ihpci.org
These name servers often co-occur with the name servers ns.ixoxi.cloud.
ns1.ixoxi.cloud and ns.ixoxi.net both carry two IP addresses. The A records for ns1.ixoxi.cloud are 193.33.140.17 and 2a0f:ae80::17; the A records for ns.ixoxi.net are 20.47.113.42 and 2603:1030:20e:3::65.
Mail Servers
Mail for operis.cz is handled by a single mail server, operis-cz.mail.protection.outlook.com.
operis-cz.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.5, 52.101.68.21, 52.101.73.12 and 5 others.