is.vste.cz - robtex.com
is.vste.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 147.251.49.90🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| PTR | is.vstecb.cz | ||||||
| MX | is.vste.cz ⭐ | ||||||
| A | 147.251.49.90🇨🇿 CESNET147.251.0.0/16 MUNI-TCZ | ||||||
| PTR | is.vstecb.cz | ||||||
| TXT | v=spf1 include:_spf.ismu.cz -all | ||||||
vste.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.2.196.60🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| NS | ns.forpsi.net ⭐ | ||||||
| NS | ns.forpsi.cz | ||||||
| NS | ns.forpsi.it | ||||||
| MX | vste-cz.mail.protection.outlook.com ⭐ | ||||||
| TXT | apple-domain-verification=VpcvFqmlUQAbzSnx | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ~all | ||||||
| SOA | ns.forpsi.netadmin@forpsi.com 2026-04-13 #1 | ||||||
MX for
is.vste.cz |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●MXis.vste.cz2026-03-22 → 2026-04-24 · 2 obs
● 2026-03-22 16:47:12
● 2026-04-24 04:14:18
● 2026-04-24 04:14:18
●A147.251.49.902026-03-22 → 2026-04-24 · 2 obs
● 2026-03-22 16:47:12
● 2026-04-24 04:14:18
● 2026-04-24 04:14:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| vste.cz | ns.forpsi.net, ns.forpsi.cz, ns.forpsi.it | 2 records |
✅ Authoritative Response
Server:81.2.194.130
NS records: ns.forpsi.net, ns.forpsi.cz, ns.forpsi.it
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 984ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 147.251.49.90 |
| MX | 1 | is.vste.cz (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.ismu.cz -all |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)
Analysis
Mail Server Role
is.vste.cz serves as the mail server for is.vste.cz.
IP Addresses
is.vste.cz points to IP number: 147.251.49.90.
Mail Servers
is.vste.cz is handled by a single mail server, is.vste.cz.
is.vste.cz points to a single IP: 147.251.49.90.