zai.cz - robtex.com
zai.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | beta1.rdrhost.com | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | beta2.rdrhost.com | ||||||
| A | 45.76.135.224🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix | ||||||
| PTR | 45.76.135.224.vultrusercontent.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| A | 155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix | ||||||
| PTR | 155-138-212-151.lum-int.io | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
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=1774693035 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
●NSbeta1.rdrhost.com2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 08:20:40
● 2026-03-28 10:48:46
●NSbeta2.rdrhost.com2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 08:20:40
● 2026-03-28 10:48:46
●NSns.parktons.com2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 08:20:40
● 2026-03-28 10:48:46
○NSns.wedos.com2015-08-05 → 2020-10-15 · 4 obs
● 2020-10-15 00:00:40
○ 2026-03-27 08:20:40
○ 2026-03-28 10:48:46
○NSns.wedos.cz2015-08-05 → 2016-02-19 · 4 obs
● 2016-02-19 15:32:24
○ 2016-06-19 21:56:32
○ 2026-03-28 10:48:46
○NSns.wedos.eu2015-08-05 → 2020-10-15 · 4 obs
● 2020-10-15 00:00:40
○ 2026-03-27 08:20:40
○ 2026-03-28 10:48:46
○NSns.wedos.net2015-08-05 → 2017-01-14 · 6 obs
● 2015-11-08 23:06:08
○ 2016-02-19 15:32:24
● 2017-01-14 22:51:58
○ 2020-10-15 00:00:40
○ 2026-03-28 10:48:46
●MXmail.parktons.com2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 08:20:40
● 2026-03-28 10:48:46
○MXmx-53423.m23.wedos.net2015-08-05 → 2015-11-08 · 4 obs
● 2015-11-08 23:06:08
○ 2016-02-19 15:32:24
○ 2026-03-28 10:48:46
●A209.250.224.2492026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 08:20:40
● 2026-03-28 10:48:46
○A2a02:2b88:1:4::162015-11-01 → 2017-01-14 · 5 obs
● 2015-11-01 19:22:14
● 2017-01-14 22:51:58
○ 2020-10-15 00:00:40
○ 2026-03-28 10:48:46
○A2a02:2b88:1:4::402015-08-05 → 2015-08-05 · 3 obs
○ 2015-11-01 19:22:14
○ 2026-03-28 10:48:46
○A46.28.105.22015-11-01 → 2020-10-15 · 5 obs
● 2015-11-01 19:22:14
● 2020-10-15 00:00:40
○ 2026-03-27 08:20:40
○ 2026-03-28 10:48:46
○A46.28.105.882015-08-05 → 2015-08-05 · 3 obs
○ 2015-11-01 19:22:14
○ 2026-03-28 10:48:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| zai.cz | beta1.rdrhost.com, beta2.rdrhost.com | - |
✅ Authoritative Response
Server:45.76.135.224
NS records: beta1.rdrhost.com, beta2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zai.cz (unsigned zone)
⏱️ Timing
Total: 1406ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.250.224.249 |
| NS | 2 | beta1.rdrhost.com, beta2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
zai.cz points to a single IP address: 209.250.224.249.
Other host names such as www.isoftware.cz, neria.cz, choppers.cz, xma.cz and nerk.cz share IPs with zai.cz.
Name Servers
zai.cz is delegated to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
zai.cz at least partially shares name servers with other domains, for example theneonos.com.domain.name, vertexexplorer370.info, home-systems.cz, topkino.info and contadorweb.es.
Name servers ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, dns1.domain.name and dns2.domain.name are commonly used together.
Host names with a single IP address:
ns.parktons.com resolves to 46.8.8.88.
beta1.rdrhost.com resolves to 209.250.224.249.
beta2.rdrhost.com resolves to 45.76.135.224.
Mail Servers
The mail.parktons.com mail server handles zai.cz.
zai.cz shares the same mail server setup as other domains, including levap.cz, tuye5.xyz, www.immediatealrex.com, stavomat.cz and bore.cz.
mail.parktons.com points to a single IP number: 155.138.212.151.