opencard.cz - robtex.com
opencard.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=1778555852 | ||||||
Subdomains
www.opencard.cz |
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSalfa.ns.active24.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
○NSbeta.ns.active24.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
●NSbeta1.rdrhost.com2026-04-20 → 2026-05-12 · 3 obs
● 2026-04-20 08:44:20
● 2026-05-12 03:44:08
●NSbeta2.rdrhost.com2026-04-20 → 2026-05-12 · 3 obs
● 2026-04-20 08:44:20
● 2026-05-12 03:44:08
○NSgama.ns.active24.sk2015-08-23 → 2018-07-29 · 5 obs
● 2015-08-23 06:20:56
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
●NSns.parktons.com2026-04-20 → 2026-05-12 · 3 obs
● 2026-04-20 08:44:20
● 2026-05-12 03:44:08
●MXmail.parktons.com2026-04-20 → 2026-05-12 · 3 obs
● 2026-04-20 08:44:20
● 2026-05-12 03:44:08
○MXrelay.cybersales.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
○MXrelay2.cybersales.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
○MXsmtp.mailpoint.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
○MXsmtp2.mailpoint.cz2009-01-13 → 2018-07-29 · 4 obs
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
○A193.35.103.372015-08-23 → 2018-07-29 · 5 obs
● 2015-08-23 06:20:56
● 2018-07-29 22:11:02
○ 2026-04-20 08:44:20
○ 2026-05-12 03:44:08
●A209.250.224.2492026-04-20 → 2026-05-12 · 3 obs
● 2026-04-20 08:44:20
● 2026-05-12 03:44:08
○A89.233.136.1172009-01-13 → 2009-01-13 · 3 obs
○ 2015-08-23 06:20:56
○ 2026-05-12 03:44:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| opencard.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 opencard.cz (unsigned zone)
⏱️ Timing
Total: 4640ms | 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
www.opencard.cz has opencard.cz as its parent.
IP Addresses
opencard.cz maps to IP address 209.250.224.249.
Other host names, for instance mail.ilg.cz, (0x736578)flirt.cz, maxfit.cz, www.metoo.cz and austerlitz.cz share IP numbers with opencard.cz.
Name Servers
opencard.cz is delegated to name servers ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
opencard.cz at least partially shares name servers with other domains such as static.pricepeep00.pricepeep.net, trener-solvics.com, mx.blueair.cz, www.immediatev6ava-pro.com and abdulazizkirk.com.tr.
These name servers are commonly used alongside ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, ai1.rdrhost.com and ai2.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
opencard.cz is handled by a single mail server, mail.parktons.com.
opencard.cz shares the same mail server setup as other domains, including _dc-mx.72302ae99dbb.cndlivestock.co.za, ksosoft.com.domain.name, mail.(0x65726f746963)ity.cz, www.inovacnipodnikani.cz and kappadrenoxe.com.
mail.parktons.com points to one IP number: 155.138.212.151.