fbook.cz - robtex.com
fbook.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=1786096041 | ||||||
Same first word
fbook.ca |
fbook.in |
fbook.mobi |
fbook.de |
fbook.com.br |
fbook.eu |
fbook.kr |
fbook.com |
fbook.es |
fbook.co.nz |
fbook.cz |
fbook.net |
fbook.ru |
fbook.top |
fbook.cc |
fbook.me |
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-07-12 → 2026-08-07 · 3 obs
● 2026-07-12 19:00:18
● 2026-08-07 09:56:04
●NSbeta2.rdrhost.com2026-07-12 → 2026-08-07 · 3 obs
● 2026-07-12 19:00:18
● 2026-08-07 09:56:04
○NSns.gransy.com2015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
●NSns.parktons.com2026-07-12 → 2026-08-07 · 3 obs
● 2026-07-12 19:00:18
● 2026-08-07 09:56:04
○NSns2.gransy.com2015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
○NSns3.gransy.com2015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
○NSns4.gransy.com2015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
○NSns5.gransy.com2015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
●MXmail.parktons.com2026-07-12 → 2026-08-07 · 2 obs
● 2026-08-07 09:56:04
●A209.250.224.2492026-07-12 → 2026-08-07 · 3 obs
● 2026-07-12 19:00:18
● 2026-08-07 09:56:04
○A77.78.104.32015-05-28 → 2017-02-01 · 4 obs
● 2017-02-01 14:22:12
○ 2026-07-12 19:00:18
○ 2026-08-07 09:56:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| fbook.cz | beta1.rdrhost.com, beta2.rdrhost.com | - |
✅ Authoritative Response
Server:45.76.135.224
NS records: beta1.rdrhost.com, beta2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fbook.cz (unsigned zone)
⏱️ Timing
Total: 827ms | 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
fbook.cz directs to one IP number, which is 209.250.224.249.
Among the host names that share IP numbers with fbook.cz are yess.cz, xyx.cz, smtp.mplus.cz and two others.
Name Servers
fbook.cz carries NS records delegating to ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
At least some of fbook.cz's name servers are shared with other domains, for example penc.cz, lild.cz, levnenaradi.cz and two more.
These name servers tend to co-occur with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 4 other name servers in the same DNS delegations.
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 — each hostname maps to exactly one IP address.
Mail Servers
fbook.cz routes its mail through a single mail server, mail.parktons.com.
fbook.cz has the same mail server arrangement as a number of other domains, for example skinoutfit.info, teambuilding.cz, r24.cz and two more.
mail.parktons.com carries a single IP number, which is 155.138.212.151.