internetonline.cz - robtex.com
internetonline.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=1786585643 | ||||||
Same first word
internetonline.cz |
internetonline.co.za |
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-06-13 → 2026-08-13 · 3 obs
● 2026-06-13 11:57:12
● 2026-08-13 02:47:32
●NSbeta2.rdrhost.com2026-06-13 → 2026-08-13 · 3 obs
● 2026-06-13 11:57:12
● 2026-08-13 02:47:32
○NSns.gransy.com2015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
●NSns.parktons.com2026-06-13 → 2026-08-13 · 3 obs
● 2026-06-13 11:57:12
● 2026-08-13 02:47:32
○NSns2.gransy.com2015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
○NSns3.gransy.com2015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
○NSns4.gransy.com2015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
○NSns5.gransy.com2015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
●MXmail.parktons.com2026-06-13 → 2026-08-13 · 2 obs
● 2026-08-13 02:47:32
●A209.250.224.2492026-06-13 → 2026-08-13 · 3 obs
● 2026-06-13 11:57:12
● 2026-08-13 02:47:32
○A77.78.104.32015-06-16 → 2017-06-19 · 6 obs
○ 2015-10-24 16:47:14
● 2016-01-16 23:31:10
● 2017-06-19 00:36:44
○ 2026-06-13 11:57:12
○ 2026-08-13 02:47:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| internetonline.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 internetonline.cz (unsigned zone)
⏱️ Timing
Total: 1063ms | 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
internetonline.cz resolves to just one IP address, 209.250.224.249.
Two other host names, along with mail.(0x787878)free.cz, mail.(0x736578)-(0x706f726e)o.cz and itsolutions.cz, also share IP numbers with internetonline.cz.
Name Servers
DNS for internetonline.cz is handled by three authoritative name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
The name servers of internetonline.cz overlap at least partially with those of other domains — among them 32217.w4statistics.info, mail.aren.cz, jdvstyling.co.za and two more.
These name servers commonly appear in delegations together with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 7 other.
ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com all have one IP address each — ns.parktons.com directs to 46.8.8.88, beta1.rdrhost.com directs to 209.250.224.249 and beta2.rdrhost.com directs to 45.76.135.224.
Mail Servers
The sole mail server for internetonline.cz is mail.parktons.com.
Among the domains sharing a mail server setup with internetonline.cz are mail.antipop.cz, www.avantetexworld.com, www.silentgen.de and two others.
mail.parktons.com has exactly one IP number: 155.138.212.151.