posli.cz - robtex.com
posli.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=1776158234 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 03:24:16
● 2026-04-14 09:57:20
●NSbeta2.rdrhost.com2026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 03:24:16
● 2026-04-14 09:57:20
○NSns.gransy.com2015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
●NSns.parktons.com2026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 03:24:16
● 2026-04-14 09:57:20
○NSns2.gransy.com2015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
○NSns3.gransy.com2015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
○NSns4.gransy.com2015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
○NSns5.gransy.com2015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
●MXmail.parktons.com2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 09:57:20
●A209.250.224.2492026-03-27 → 2026-04-14 · 3 obs
● 2026-03-27 03:24:16
● 2026-04-14 09:57:20
○A77.78.104.32015-07-24 → 2017-03-19 · 4 obs
● 2017-03-19 09:00:58
○ 2026-03-27 03:24:16
○ 2026-04-14 09:57:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz | - |
| posli.cz | beta1.rdrhost.com, beta2.rdrhost.com | - |
✅ Authoritative Response
Server:209.250.224.249
NS records: beta1.rdrhost.com, beta2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for posli.cz (unsigned zone)
⏱️ Timing
Total: 1549ms | 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
posli.cz resolves to one IP number: 209.250.224.249.
other host names including zamestnany.cz, mail.rsn.cz, mx.crx.cz, selenia.cz and sra.cz share IP numbers with posli.cz.
Name Servers
posli.cz is delegated to three name servers ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
posli.cz at least partially shares name servers with other domains, for instance mail.mku.cz, mail.lecivky.cz, cyfrowe-publikacje.info, limenses.info and fxf.cz.
Name servers commonly used together include ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com, delta1.rdrhost.com, delta2.rdrhost.com, ai1.rdrhost.com, ai2.rdrhost.com, dns1.domain.name and dns2.domain.name.
Host names with one IP number: ns.parktons.com points to 46.8.8.88; beta1.rdrhost.com points to 209.250.224.249; beta2.rdrhost.com points to 45.76.135.224.
Mail Servers
posli.cz is handled by a single mail server, mail.parktons.com.
posli.cz shares the same mail server setup as other domains, for instance baker.cz, mail.fuz.cz, video.fna.fbcdn.net.domain.name, (0x706f726e)ovolk.icu and mail.elsys.cz.
mail.parktons.com resolves to IP 155.138.212.151.