1stweb.cz - robtex.com
1stweb.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.141.227.75🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.227.75.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | alpha1.rdrhost.com | ||||||
| A | 136.244.78.5🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | 136.244.78.5.vultrusercontent.com | ||||||
| NS | alpha2.rdrhost.com | ||||||
| A | 78.141.227.75🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.227.75.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=1776219455 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSalfa.ns.active24.cz2015-07-23 → 2017-01-28 · 4 obs
● 2017-01-28 21:24:24
○ 2026-04-08 06:49:56
○ 2026-04-15 02:24:30
●NSalpha1.rdrhost.com2026-04-08 → 2026-04-15 · 3 obs
● 2026-04-08 06:49:56
● 2026-04-15 02:24:30
●NSalpha2.rdrhost.com2026-04-08 → 2026-04-15 · 3 obs
● 2026-04-08 06:49:56
● 2026-04-15 02:24:30
○NSbeta.ns.active24.cz2015-07-23 → 2017-01-28 · 4 obs
● 2017-01-28 21:24:24
○ 2026-04-08 06:49:56
○ 2026-04-15 02:24:30
○NSgama.ns.active24.sk2015-07-23 → 2017-01-28 · 4 obs
● 2017-01-28 21:24:24
○ 2026-04-08 06:49:56
○ 2026-04-15 02:24:30
●NSns.parktons.com2026-04-08 → 2026-04-15 · 3 obs
● 2026-04-08 06:49:56
● 2026-04-15 02:24:30
○MXmail.orsys.cz2015-07-23 → 2015-11-27 · 4 obs
● 2015-11-27 08:06:40
○ 2016-02-23 09:33:02
○ 2026-04-15 02:24:30
●MXmail.parktons.com2026-04-08 → 2026-04-15 · 3 obs
● 2026-04-08 06:49:56
● 2026-04-15 02:24:30
○A185.8.165.2382016-02-23 → 2017-01-28 · 5 obs
● 2016-02-23 09:33:02
● 2017-01-28 21:24:24
○ 2026-04-08 06:49:56
○ 2026-04-15 02:24:30
●A78.141.227.752026-04-08 → 2026-04-15 · 3 obs
● 2026-04-08 06:49:56
● 2026-04-15 02:24:30
○A91.194.90.192015-07-23 → 2015-11-27 · 4 obs
● 2015-11-27 08:06:40
○ 2016-02-23 09:33:02
○ 2026-04-15 02:24:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| 1stweb.cz | alpha1.rdrhost.com, alpha2.rdrhost.com | - |
✅ Authoritative Response
Server:136.244.78.5
NS records: alpha1.rdrhost.com, alpha2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1stweb.cz (unsigned zone)
⏱️ Timing
Total: 996ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.141.227.75 |
| NS | 2 | alpha1.rdrhost.com, alpha2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
1stweb.cz resolves to a single IP: 78.141.227.75.
Other host names, for instance wsj.cz, mail.eat-well.cz, 213-user15.scnet.cz, cizijazykyhrou.cz and pavelzednicek.cz share IP numbers with 1stweb.cz.
Name Servers
1stweb.cz delegates to three name servers: ns.parktons.com, alpha1.rdrhost.com and alpha2.rdrhost.com.
1stweb.cz shares some name servers with other domains, for example 110-user36.scnet.cz, hga.cz, mail01.cuprosan.cz, nonsiamosoli.info and carweb.cz.
These name servers are commonly paired with ns2.parktons.com, beta1.rdrhost.com, beta2.rdrhost.com, ai1.rdrhost.com, ai2.rdrhost.com, dns1.domain.name and dns2.domain.name.
Host names with a single IP: ns.parktons.com points to 46.8.8.88; alpha1.rdrhost.com points to 136.244.78.5; alpha2.rdrhost.com points to 78.141.227.75.
Mail Servers
1stweb.cz is handled by a single mail server, mail.parktons.com.
1stweb.cz shares the mail server setup with other domains, for example host-30.net-193-106-76.assat.pl, bevi.cz, nudista.cz, dtnhjzl.xyz and www.correlo-pagstx.info.
Host name mail.parktons.com points to IP 155.138.212.151.