sbr.cz - robtex.com
sbr.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | gamma1.rdrhost.com | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | gamma2.rdrhost.com | ||||||
| A | 45.77.230.88🇬🇧 AS-VULTR45.77.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.230.88.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=1784274442 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSgamma1.rdrhost.com2026-06-23 → 2026-07-17 · 3 obs
● 2026-06-23 15:07:56
● 2026-07-17 08:20:14
●NSgamma2.rdrhost.com2026-06-23 → 2026-07-17 · 3 obs
● 2026-06-23 15:07:56
● 2026-07-17 08:20:14
●NSns.parktons.com2026-06-23 → 2026-07-17 · 3 obs
● 2026-06-23 15:07:56
● 2026-07-17 08:20:14
○NSns1.above.com2015-07-09 → 2021-06-29 · 4 obs
● 2021-06-29 05:10:46
○ 2026-02-27 09:07:38
○ 2026-07-17 08:20:14
○NSns2.above.com2015-07-09 → 2021-06-29 · 4 obs
● 2021-06-29 05:10:46
○ 2026-02-27 09:07:38
○ 2026-07-17 08:20:14
●MXmail.parktons.com2026-06-23 → 2026-07-17 · 3 obs
● 2026-06-23 15:07:56
● 2026-07-17 08:20:14
○MXmail.post-host.net2015-07-09 → 2016-04-20 · 4 obs
● 2016-04-20 02:46:40
○ 2016-11-04 18:06:26
○ 2026-07-17 08:20:14
○MXmx92.m1bp.com2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 19:14:30
○ 2020-11-13 16:11:46
○ 2026-07-17 08:20:14
○MXmx92.mb5p.com2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 19:14:30
○ 2020-11-13 16:11:46
○ 2026-07-17 08:20:14
○MXpark-mx.above.com2020-11-13 → 2021-06-29 · 5 obs
● 2020-11-13 16:11:46
● 2021-06-29 05:10:46
○ 2026-02-27 09:07:38
○ 2026-07-17 08:20:14
○A103.224.182.2412015-07-09 → 2021-06-29 · 4 obs
● 2021-06-29 05:10:46
○ 2026-02-27 09:07:38
○ 2026-07-17 08:20:14
●A78.141.239.2482026-06-23 → 2026-07-17 · 3 obs
● 2026-06-23 15:07:56
● 2026-07-17 08:20:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| sbr.cz | gamma1.rdrhost.com, gamma2.rdrhost.com | - |
✅ Authoritative Response
Server:45.77.230.88
NS records: gamma1.rdrhost.com, gamma2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sbr.cz (unsigned zone)
⏱️ Timing
Total: 857ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.141.239.248 |
| NS | 2 | gamma1.rdrhost.com, gamma2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
sbr.cz has exactly one IP address — 78.141.239.248.
mileycyrus.cz, dobytu.cz, ukp.cz plus two other host names have IP numbers in common with sbr.cz.
Name Servers
The authoritative name servers for sbr.cz are ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com — three in total.
sbr.cz has at least partial name server overlap with other domains, such as mart.cz, sg1-v.sshmax.xyz, alcoma46b.scnet.cz and two others.
ns2.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com — plus 6 other name servers — are commonly paired with these name servers.
The hostnames ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com each resolve to a single IP: ns.parktons.com → 46.8.8.88, gamma1.rdrhost.com → 78.141.239.248, gamma2.rdrhost.com → 45.77.230.88.
Mail Servers
sbr.cz uses one mail server — mail.parktons.com.
The mail server setup of sbr.cz matches that of other domains such as mail.cete.cz, mail.kynclova.cz, blackberry.com.domain.name and two others.
mail.parktons.com directs to just one IP number, 155.138.212.151.