ictx.cz - robtex.com
ictx.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.25.184.248🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508 | ||||||
| NS | ns1.netio.cz ⭐ | ||||||
| A | 185.25.184.6🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508 | ||||||
| PTR | ns1.netio.cz | ||||||
| NS | ns2.netio.cz | ||||||
| A | 185.28.194.194🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o. | ||||||
| PTR | ns2.anycastdns.cz | ||||||
| NS | ns3.netio.cz | ||||||
| A | 185.38.108.108🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project | ||||||
| PTR | ns1.anycastdns.cz | ||||||
| MX | mail.ictx.cz ⭐ | ||||||
| A | 185.25.184.248🇨🇿 MASTER-AS185.25.184.0/22 CZ-NETIO-20130508 | ||||||
| SOA | ns1.netio.czhostmaster@netio.cz 2026-07-10 #2 | ||||||
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=1785498441 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.ictx.cz2026-05-04 → 2026-07-31 · 2 obs
● 2026-07-31 12:45:12
●A185.25.184.2482026-05-04 → 2026-07-31 · 2 obs
● 2026-07-31 12:45:12
🔍 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 |
| ictx.cz | ns1.netio.cz, ns2.netio.cz, ns3.netio.cz | 3 records |
✅ Authoritative Response
Server:185.25.184.6
NS records: ns1.netio.cz, ns2.netio.cz, ns3.netio.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ictx.cz (unsigned zone)
⏱️ Timing
Total: 974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.25.184.248 |
| NS | 3 | ns1.netio.cz, ns2.netio.cz... |
| MX | 1 | mail.ictx.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.25.184.248 ~all |
| SOA | 1 | ns1.netio.cz hostmaster.netio.cz |
📌 Glue Records Collected
Total: 11
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 3 (ns1.netio.cz, ns2.netio.cz, ns3.netio.cz)
Analysis
Hierarchy
ictx.cz serves as the parent of mail.ictx.cz and vm1872.ictx.cz.
IP Addresses
ictx.cz has exactly one IP address — 185.25.184.248.
Further host names like vm1872.ictx.cz and mail.ictx.cz overlap in IP numbers with ictx.cz.
Name Servers
ictx.cz is served by three name servers: ns1.netio.cz, ns2.netio.cz and ns3.netio.cz.
There is at least partial name server overlap between ictx.cz and other domains — ptacci.net, nosicestresni.cz, emicka.cz and two more among them.
ns1.netio.cz has IP address 185.25.184.6, ns2.netio.cz has IP address 185.28.194.194 and ns3.netio.cz has IP address 185.38.108.108 — one address each.
Mail Servers
ictx.cz uses one mail server — mail.ictx.cz.
mail.ictx.cz resolves to 185.25.184.248 and no other IP number.