isla.cz - robtex.com
isla.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=1785435440 | ||||||
Subdomains
www.isla.cz |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSbeta1.rdrhost.com2026-07-29 → 2026-07-30 · 3 obs
● 2026-07-29 16:21:22
● 2026-07-30 19:16:00
●NSbeta2.rdrhost.com2026-07-29 → 2026-07-30 · 3 obs
● 2026-07-29 16:21:22
● 2026-07-30 19:16:00
○NSdns.iol.cz2015-08-02 → 2016-03-14 · 4 obs
● 2016-03-14 19:30:06
○ 2016-07-08 16:48:36
○ 2026-07-30 19:16:00
●NSns.parktons.com2026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 19:16:00
○NSns.wedos.com2020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 08:41:30
○ 2026-07-29 16:21:22
○ 2026-07-30 19:16:00
○NSns.wedos.eu2020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 08:41:30
○ 2026-07-29 16:21:22
○ 2026-07-30 19:16:00
○NSns2.tel.cz2015-08-02 → 2016-03-14 · 4 obs
● 2016-03-14 19:30:06
○ 2016-07-08 16:48:36
○ 2026-07-30 19:16:00
●MXmail.parktons.com2026-07-30 → 2026-07-30 · 1 obs
●A209.250.224.2492026-07-30 → 2026-07-30 · 2 obs
● 2026-07-30 19:16:00
○A89.221.217.582020-02-12 → 2020-02-12 · 3 obs
○ 2026-07-29 16:21:22
○ 2026-07-30 19:16:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz | - |
| isla.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 isla.cz (unsigned zone)
⏱️ Timing
Total: 931ms | 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
Hierarchy
The domain www.isla.cz falls under the parent isla.cz.
IP Addresses
isla.cz directs to one IP number, which is 209.250.224.249.
Among the host names that share IP numbers with isla.cz are svobody.cz, dosauny.cz, elektronik.cz and two others.
Name Servers
isla.cz has three name servers — ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
At least some of isla.cz's name servers are shared with other domains, for example spotify.com.domain.name, ns2.webzona.cz, vltava2000.cz and two more.
These name servers tend to co-occur with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 6 other name servers in the same DNS delegations.
Each of the three hostnames points to exactly one IP address: ns.parktons.com points to 46.8.8.88, beta1.rdrhost.com points to 209.250.224.249 and beta2.rdrhost.com points to 45.76.135.224.
Mail Servers
isla.cz routes its mail through a single mail server, mail.parktons.com.
isla.cz has the same mail server arrangement as a number of other domains, for example wseznam.cz, ns-02.webproxy.cz, loris.llnwd.net.domain.name and two more.
mail.parktons.com points to one IP number — 155.138.212.151.