optimismus.cz - robtex.com
optimismus.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.46.209.61🇨🇿 ZONER-AS37.46.208.0/21 ZONER-NET | ||||||
| NS | ns.forpsi.net ⭐ | ||||||
| A | 2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.net | ||||||
| A | 81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | ns.forpsi.net | ||||||
| NS | ns.forpsi.cz | ||||||
| A | 2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32 | ||||||
| PTR | ns.forpsi.cz | ||||||
| A | 81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24 | ||||||
| PTR | ns.forpsi.cz | ||||||
| NS | ns.forpsi.it | ||||||
| A | 2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network | ||||||
| PTR | ns.forpsi.it | ||||||
| A | 95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network | ||||||
| PTR | host165-254-110-95.serverdedicati.aruba.it | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-04-05 #1 | ||||||
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=1775994434 | ||||||
Same first word
optimismus.cz |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns.forpsi.cz2026-04-05 → 2026-04-12 · 3 obs
● 2026-04-05 06:30:02
● 2026-04-12 12:37:10
●NSns.forpsi.it2026-04-05 → 2026-04-12 · 3 obs
● 2026-04-05 06:30:02
● 2026-04-12 12:37:10
●NSns.forpsi.net2026-04-05 → 2026-04-12 · 3 obs
● 2026-04-05 06:30:02
● 2026-04-12 12:37:10
○NSns1.regzone.cz2015-07-08 → 2017-03-31 · 4 obs
● 2017-03-31 22:05:38
○ 2026-04-05 06:30:02
○ 2026-04-12 12:37:10
○NSns1.regzone.de2015-07-08 → 2017-03-31 · 4 obs
● 2017-03-31 22:05:38
○ 2026-04-05 06:30:02
○ 2026-04-12 12:37:10
○NSns1.regzone.info2015-07-08 → 2017-03-31 · 4 obs
● 2017-03-31 22:05:38
○ 2026-04-05 06:30:02
○ 2026-04-12 12:37:10
●A37.46.209.612026-04-05 → 2026-04-12 · 3 obs
● 2026-04-05 06:30:02
● 2026-04-12 12:37:10
○A77.93.215.262015-07-08 → 2017-03-31 · 4 obs
● 2017-03-31 22:05:38
○ 2026-04-05 06:30:02
○ 2026-04-12 12:37:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| optimismus.cz | ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:95.110.254.165
NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.209.61 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
IP Addresses
optimismus.cz resolves to one IP number: 37.46.209.61.
Other host names, for instance piwo.cz, ouh.cz, pfb.cz, hamas.cz and hgp.cz share IP numbers with optimismus.cz.
Name Servers
optimismus.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
optimismus.cz at least partially shares name servers with other domains, including martonfogtechnika.hu, senzapodlaharstvi.cz, danceart.cz, lissza.hu and ipmonitoring.hu.
These name servers are commonly used with ns.forpsi.us.
Host names with two IP numbers:
ns.forpsi.cz: 2001:15e8:201:1::d1b9 and 81.2.209.185