b16ff.cz - robtex.com
b16ff.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=1774720036 | ||||||
Subdomains
root.b16ff.cz |
Same first word
b16ff.cz |
DNS History
5 records (5 active, 0 former)
●NSalpha1.rdrhost.com2026-02-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:15:16
●NSalpha2.rdrhost.com2026-02-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:15:16
●NSns.parktons.com2026-02-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:15:16
●MXmail.parktons.com2026-02-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:15:16
●A78.141.227.752026-02-27 → 2026-03-28 · 2 obs
● 2026-03-28 18:15:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| b16ff.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 b16ff.cz (unsigned zone)
⏱️ Timing
Total: 1368ms | 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
Hierarchy
root.b16ff.cz is a child of b16ff.cz.
IP Addresses
b16ff.cz resolves to one IP number: 78.141.227.75.
Other host names, for instance 226-user28.scnet.cz, compex76.scnet.cz, chciserialy.cz, gb.linxcz.cz and mail.roscomac.cz share IP numbers with b16ff.cz.
Name Servers
b16ff.cz is delegated to three name servers: ns.parktons.com, alpha1.rdrhost.com and alpha2.rdrhost.com.
b16ff.cz at least partially shares name servers with other domains, including install-cdn.sugarsearch.info, okosmetice.cz, xmisst.nl, faz.cz and firmu.cz.
these name servers are commonly used alongside ns2.parktons.com, beta1.rdrhost.com, beta2.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; alpha1.rdrhost.com points to 136.244.78.5; alpha2.rdrhost.com points to 78.141.227.75.
Mail Servers
A single mail server handles b16ff.cz, mail.parktons.com.
b16ff.cz shares the same mail server setup as other domains, for instance mail.in24.cz, rampas.cz, with.cz, boatdns.com and assat.pl.
Host name mail.parktons.com resolves to a single IP: 155.138.212.151.