jmsystem.cz - robtex.com
jmsystem.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.39.18.170🇨🇿 TMOBILE-CZ195.39.0.0/17 T-Mobile Czech Republic a.s. | ||||||
| PTR | mail.jmsystem.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.jmsystem.cz ⭐ | ||||||
| A | 195.39.18.170🇨🇿 TMOBILE-CZ195.39.0.0/17 T-Mobile Czech Republic a.s. | ||||||
| PTR | mail.jmsystem.cz | ||||||
| TXT | v=spf1 a mx include:_spf.mail.jmsystem.cz~all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.net 2026-03-05 #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=1774531038 | ||||||
Subdomains
mail.jmsystem.cz |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.forpsi.net2015-07-06 → 2026-03-26 · 2 obs
● 2026-03-26 13:47:18
●MXmail.jmsystem.cz2026-03-13 → 2026-03-26 · 2 obs
● 2026-03-26 13:47:18
○A109.81.195.572015-07-06 → 2016-12-02 · 4 obs
● 2016-12-02 07:07:44
○ 2026-03-13 19:33:22
○ 2026-03-26 13:47:18
●A195.39.18.1702026-03-13 → 2026-03-26 · 3 obs
● 2026-03-13 19:33:22
● 2026-03-26 13:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| jmsystem.cz | ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 5429ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.39.18.170 |
| NS | 3 | ns.forpsi.cz, ns.forpsi.it... |
| MX | 1 | mail.jmsystem.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.mail.jmsystem.c |
| SOA | 1 | ns.forpsi.net admin.forpsi.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Hierarchy
The parent of mail.jmsystem.cz is jmsystem.cz.
IP Addresses
jmsystem.cz points to a single IP: 195.39.18.170.
Other host names, such as mail.jmsystem.cz, share IP numbers with jmsystem.cz.
Name Servers
jmsystem.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.
jmsystem.cz partially shares name servers with other domains; examples include vasvari-tuzolto.hu, spolubydla.cz, komarno.cz, pepetruck.cz and sumavskatower.cz.
these name servers are commonly used with the name servers ns.forpsi.us.
Host names with two IP numbers:
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
jmsystem.cz is handled by a single mail server, mail.jmsystem.cz.
mail.jmsystem.cz points to a single IP: 195.39.18.170.