kefir.cz - robtex.com
kefir.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=1777087036 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
●NSbeta1.rdrhost.com2026-04-02 → 2026-04-25 · 3 obs
● 2026-04-02 15:12:10
● 2026-04-25 04:08:04
●NSbeta2.rdrhost.com2026-04-02 → 2026-04-25 · 3 obs
● 2026-04-02 15:12:10
● 2026-04-25 04:08:04
○NSns.gransy.com2015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
●NSns.parktons.com2026-04-02 → 2026-04-25 · 3 obs
● 2026-04-02 15:12:10
● 2026-04-25 04:08:04
○NSns.wedos.com2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 21:44:30
○ 2026-04-02 15:12:10
○ 2026-04-25 04:08:04
○NSns.wedos.eu2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 21:44:30
○ 2026-04-02 15:12:10
○ 2026-04-25 04:08:04
○NSns2.gransy.com2015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
○NSns3.gransy.com2015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
○NSns4.gransy.com2015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
○NSns5.gransy.com2015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
●MXmail.parktons.com2026-04-02 → 2026-04-25 · 2 obs
● 2026-04-25 04:08:04
●A209.250.224.2492026-04-02 → 2026-04-25 · 3 obs
● 2026-04-02 15:12:10
● 2026-04-25 04:08:04
○A77.78.104.32015-08-08 → 2017-02-19 · 6 obs
○ 2015-12-02 02:45:06
● 2016-03-02 23:41:10
● 2017-02-19 02:11:36
○ 2020-03-08 21:44:30
○ 2026-04-25 04:08:04
○A89.221.217.582020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 21:44:30
○ 2026-04-02 15:12:10
○ 2026-04-25 04:08:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| kefir.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 kefir.cz (unsigned zone)
⏱️ Timing
Total: 1075ms | 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
kefir.cz points to IP number: 209.250.224.249.
Other host names such as chemo.cz, zato.cz, li(0x6469636b)y.cz, topwebdesign.cz and cernymost.cz share IPs with kefir.cz.
Name Servers
kefir.cz is delegated to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
kefir.cz at least partially shares name servers with other domains, for instance ohp.cz, i-fallback.instagram.com.domain.name, kraxnet.cz.esudoku.cz, com252fwww.free-(0x706f726e)o.cz and fuchsova.cz.
These name servers are commonly used with ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, dns1.domain.name, dns2.domain.name, gamma1.rdrhost.com and gamma2.rdrhost.com.
Host names with a single IP:
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
kefir.cz is handled by a single mail server, mail.parktons.com.
The mail server setup for kefir.cz matches that of other domains, for instance www.alphaaiapp.net, aseznam.cz, carlocator.cz, test.diskret-privat.cz and cernycaj.cz.
mail.parktons.com points to a single IP: 155.138.212.151.