jssystem.cz - robtex.com
jssystem.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 109.164.85.58🇨🇿 CYRILEK-AS109.164.85.0/24 | ||||||
| PTR | mail.jssystem.cz | ||||||
| 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 | ||||||
| MX | mail.jssystem.cz ⭐ | ||||||
| A | 109.164.85.58🇨🇿 CYRILEK-AS109.164.85.0/24 | ||||||
| PTR | mail.jssystem.cz | ||||||
| TXT | v=spf1 mx a:mail.jssystem.cz ~all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-03-11 #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=1774676834 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.forpsi.net2015-06-30 → 2026-03-28 · 2 obs
● 2026-03-28 05:50:00
●MXmail.jssystem.cz2015-06-30 → 2026-03-28 · 2 obs
● 2026-03-28 05:50:00
○MXmx.jssystem.cz2015-06-30 → 2016-07-08 · 4 obs
● 2016-07-08 07:04:46
○ 2026-03-28 01:23:38
○ 2026-03-28 05:50:00
●A109.164.85.582015-06-30 → 2026-03-28 · 2 obs
● 2026-03-28 05:50:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| jssystem.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: 1462ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.164.85.58 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mail.jssystem.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a:mail.jssystem.cz ~all |
| SOA | 1 | ns.forpsi.net admin.forpsi.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
jssystem.cz is parent of mail.jssystem.cz, www.jssystem.cz and mx.jssystem.cz.
IP Addresses
jssystem.cz points to IP number 109.164.85.58.
Other host names for example mail.jssystem.cz, www.jssystem.cz and mx.jssystem.cz share IP numbers with jssystem.cz.
Name Servers
The delegation for jssystem.cz is handled by three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
jssystem.cz shares name servers with other domains at least partially, for example tekercs.hu, pardubice.events, cermakauto.cz, viart.cz and haunted-prague.com.
These name servers are commonly used with ns.forpsi.us.
Host names with two IPs:
ns.forpsi.cz points to 2001:15e8:201:1::d1b9 and 81.2.209.185
ns.forpsi.it points to 2a00:6d41:2:1::5 and 95.110.254.165
ns.forpsi.net points to 2001:15e8:101:1::c282 and 81.2.194.130
Mail Servers
jssystem.cz is handled by a single mail server, mail.jssystem.cz.
mail.jssystem.cz points to a single IP: 109.164.85.58.