mx.4data.cz - robtex.com
mx.4data.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.146.158.242🇯🇵 Google34.146.144.0/20 | ||||||
| PTR | tokyo.discretepost.com | ||||||
| A | 104.248.5.183🇺🇸 DIGITALOCEAN104.248.0.0/20 DigitalOcean | ||||||
| A | 167.99.204.226🇬🇧 DIGITALOCEAN167.99.192.0/20 DigitalOcean | ||||||
4data.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 64.190.63.111🇩🇪 SEDO64.190.62.0/23 -NET2-PI | ||||||
| NS | ns1.openprovider.nl ⭐ | ||||||
| NS | ns2.openprovider.be | ||||||
| NS | ns3.openprovider.eu | ||||||
| MX | mx.4data.cz ⭐ | ||||||
| TXT | d03f1c7bfdb17f6085cfc4aedcd2a686b5c61ed6 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.openprovider.nldns@openprovider.eu 2022-11-20 #2 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●A104.248.5.1832026-03-07 → 2026-03-26 · 2 obs
● 2026-03-07 16:57:48
● 2026-03-26 04:45:42
● 2026-03-26 04:45:42
●A167.99.204.2262026-03-07 → 2026-03-26 · 2 obs
● 2026-03-07 16:57:48
● 2026-03-26 04:45:42
● 2026-03-26 04:45:42
●A34.146.158.2422026-03-07 → 2026-03-26 · 2 obs
● 2026-03-07 16:57:48
● 2026-03-26 04:45:42
● 2026-03-26 04:45:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| 4data.cz | ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu | - |
✅ Authoritative Response
Server:162.159.27.96
NS records: ns1.openprovider.nl, ns2.openprovider.be, ns3.openprovider.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 4175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.248.5.183, 167.99.204.226... |
Analysis
IP Addresses
mx.4data.cz points to three IPs: 34.146.158.242, 104.248.5.183 and 167.99.204.226.
Other host names such as mx.solarelectric.cz, mx.jobtop.cz, mx.htcstore.cz, mx.maxler.sk and mx.panora.cz share IPs with mx.4data.cz.