optis.cz - robtex.com
optis.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.banan.cz ⚠️ Not in zone NS records | ||||||
| A | 77.93.211.213🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4 | ||||||
| PTR | b13.banan.cz | ||||||
| NS | ns2.banan.cz ⚠️ Not in zone NS records | ||||||
| A | 77.93.211.215🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4 | ||||||
| PTR | b15.banan.cz | ||||||
| NS | ns3.banan.it ⚠️ Not in zone NS records | ||||||
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=1784135841 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
●NSns.banan.cz2015-07-03 → 2026-07-15 · 4 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○NSns1.protectdelegation.eu2018-09-15 → 2018-09-15 · 4 obs
○ 2015-07-03 23:14:14
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
●NSns2.banan.cz2015-07-03 → 2026-07-15 · 4 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○NSns2.protectdelegation.ca2018-09-15 → 2018-09-15 · 4 obs
○ 2015-07-03 23:14:14
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
●NSns3.banan.it2015-07-03 → 2026-07-15 · 4 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
● 2026-06-10 21:09:06
● 2026-07-15 17:32:04
○NSns3.protectdelegation.com2018-09-15 → 2018-09-15 · 4 obs
○ 2015-07-03 23:14:14
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
○MXbackup.p.banan.cz2015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
○MXp.banan.cz2015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
○A185.53.177.312018-09-15 → 2018-09-15 · 4 obs
○ 2015-07-03 23:14:14
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
● 2018-09-15 02:57:12
○ 2026-06-10 21:09:06
○ 2026-07-15 17:32:04
○A77.93.211.2122015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 23:14:14
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
○ 2018-09-15 02:57:12
○ 2026-07-15 17:32:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| optis.cz | ns.banan.cz, ns2.banan.cz, ns3.banan.it | - |
✅ Authoritative Response
Server:77.93.211.215
NS records: ns.banan.cz, ns2.banan.cz, ns3.banan.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optis.cz (unsigned zone)
⏱️ Timing
Total: 1276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Three name servers are authoritative for optis.cz: ns2.banan.cz, ns.banan.cz and ns3.banan.it.
optis.cz has at least partial name server overlap with other domains, such as okcatering.cz, gebas.cz, zsfrycovice.cz and two others.
b13.banan.cz, b15.banan.cz and ns3.e-baan.net — plus 3 other name servers — are commonly paired with these name servers.
ns2.banan.cz directs to 77.93.211.215 and ns.banan.cz directs to 77.93.211.213; each host name points to exactly one IP number.