optomont.cz - robtex.com
optomont.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=1775929633 | ||||||
Same first word
optomont.cz |
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns.iol.cz2015-07-17 → 2017-02-13 · 4 obs
● 2017-02-13 08:54:58
○ 2026-03-06 08:29:58
○ 2026-04-11 18:32:18
●NSns1.websupport.cz2026-03-06 → 2026-04-11 · 3 obs
● 2026-03-06 08:29:58
● 2026-04-11 18:32:18
○NSns2.tel.cz2015-07-17 → 2017-02-13 · 4 obs
● 2017-02-13 08:54:58
○ 2026-03-06 08:29:58
○ 2026-04-11 18:32:18
●NSns2.websupport.cz2026-03-06 → 2026-04-11 · 3 obs
● 2026-03-06 08:29:58
● 2026-04-11 18:32:18
●NSns3.websupport.eu2026-03-06 → 2026-04-11 · 3 obs
● 2026-03-06 08:29:58
● 2026-04-11 18:32:18
○MXmail.optomont.cz2015-07-17 → 2017-02-13 · 4 obs
● 2017-02-13 08:54:58
○ 2026-03-06 08:29:58
○ 2026-04-11 18:32:18
●MXoptomont-cz.mail.protection.outlook.com2016-04-08 → 2026-04-11 · 3 obs
● 2016-04-08 18:58:30
● 2026-04-11 18:32:18
○MXrelay.iol.cz2015-07-17 → 2016-01-06 · 4 obs
● 2016-01-06 17:36:40
○ 2016-04-08 18:58:30
○ 2026-04-11 18:32:18
●A77.93.215.102026-03-06 → 2026-04-11 · 3 obs
● 2026-03-06 08:29:58
● 2026-04-11 18:32:18
○A81.95.96.1582016-04-08 → 2017-02-13 · 4 obs
● 2017-02-13 08:54:58
○ 2026-03-06 08:29:58
○ 2026-04-11 18:32:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| optomont.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1067ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.93.215.10 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | optomont-cz.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
optomont.cz points to IP number: 77.93.215.10.
Other host names such as ivv.cz, ddsrdce.cz, rivergastro.cz, www.kempideal.cz and orc.cz share IPs with optomont.cz.
Name Servers
optomont.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
optomont.cz at least partially shares name servers with other domains, for instance domov-online.cz, devterium.com, clinicmyface.com, vent.cz and fermat.cz.
These name servers are commonly used together with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
Host ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11; Host ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12; Host ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
optomont.cz is handled by a single mail server, optomont-cz.mail.protection.outlook.com.
Host name optomont-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::7, 52.101.68.5, 52.101.68.18, 52.101.73.22 and 52.101.73.30.