kff.cz - robtex.com
kff.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=1776046654 | ||||||
Subdomains
mx.kff.cz |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSbeta1.rdrhost.com2026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 13:55:30
● 2026-04-13 03:03:16
●NSbeta2.rdrhost.com2026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 13:55:30
● 2026-04-13 03:03:16
●NSns.parktons.com2026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 13:55:30
● 2026-04-13 03:03:16
○NSns1.one.cz2015-08-14 → 2020-11-08 · 4 obs
● 2020-11-08 01:43:12
○ 2026-04-10 13:55:30
○ 2026-04-13 03:03:16
○NSns2.one.cz2015-08-14 → 2020-11-08 · 4 obs
● 2020-11-08 01:43:12
○ 2026-04-10 13:55:30
○ 2026-04-13 03:03:16
●MXmail.parktons.com2026-04-10 → 2026-04-13 · 2 obs
● 2026-04-13 03:03:16
●A209.250.224.2492026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 13:55:30
● 2026-04-13 03:03:16
○A46.149.113.1952015-08-14 → 2020-11-08 · 4 obs
● 2020-11-08 01:43:12
○ 2026-04-10 13:55:30
○ 2026-04-13 03:03:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| kff.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 kff.cz (unsigned zone)
⏱️ Timing
Total: 1172ms | 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
mx.kff.cz is a child of kff.cz.
IP Addresses
kff.cz resolves to one IP number: 209.250.224.249.
Other host names, for instance linux.ihnet.cz, kraxnet.cz.bay.cz, drevoplast.cz, www.intecom.cz and reality-prodej.cz share IP numbers with kff.cz.
Name Servers
kff.cz is delegated to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
kff.cz at least partially shares name servers with other domains, including 951793626ba311be.xyz, dyb.ee, kuyzh.yt, netreality.cz and berger.cz.
these name servers are commonly used alongside ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com, dns1.domain.name, dns2.domain.name, delta1.rdrhost.com and delta2.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
A single mail server handles kff.cz, mail.parktons.com.
kff.cz shares the same mail server setup as other domains, for instance house.domain.name, rtbnow.com, lecivky.cz, mail19.mailms.cz and a-on.cz.
Host name mail.parktons.com resolves to a single IP: 155.138.212.151.