dyn.cz - robtex.com
dyn.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=1786571243 | ||||||
Same first word
Similar names
DNS History
17 records (5 active, 12 former)
●NSbeta1.rdrhost.com2026-08-08 → 2026-08-12 · 3 obs
● 2026-08-08 15:28:04
● 2026-08-12 22:06:16
●NSbeta2.rdrhost.com2026-08-08 → 2026-08-12 · 3 obs
● 2026-08-08 15:28:04
● 2026-08-12 22:06:16
○NSns.gransy.com2015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
●NSns.parktons.com2026-08-10 → 2026-08-12 · 3 obs
● 2026-08-10 09:22:52
● 2026-08-12 22:06:16
○NSns.wedos.com2019-08-12 → 2020-12-21 · 8 obs
● 2019-08-12 00:25:44
● 2020-06-04 21:58:38
○ 2020-07-20 13:29:20
● 2020-09-05 16:30:40
● 2020-12-21 00:55:12
○ 2026-06-13 02:01:54
○ 2026-08-12 22:06:16
○NSns.wedos.cz2019-08-12 → 2019-08-17 · 5 obs
● 2019-08-12 00:25:44
● 2019-08-17 00:13:28
○ 2019-09-03 09:10:32
○ 2026-08-12 22:06:16
○NSns.wedos.eu2019-08-12 → 2020-12-21 · 8 obs
● 2019-08-12 00:25:44
● 2020-06-04 21:58:38
○ 2020-07-20 13:29:20
● 2020-09-05 16:30:40
● 2020-12-21 00:55:12
○ 2026-06-13 02:01:54
○ 2026-08-12 22:06:16
○NSns.wedos.net2019-08-12 → 2019-08-17 · 5 obs
● 2019-08-12 00:25:44
● 2019-08-17 00:13:28
○ 2019-09-03 09:10:32
○ 2026-08-12 22:06:16
○NSns2.gransy.com2015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
○NSns3.gransy.com2015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
○NSns4.gransy.com2015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
○NSns5.gransy.com2015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
●MXmail.parktons.com2026-08-10 → 2026-08-12 · 2 obs
● 2026-08-12 22:06:16
●A209.250.224.2492026-08-10 → 2026-08-12 · 3 obs
● 2026-08-10 09:22:52
● 2026-08-12 22:06:16
○A46.28.105.22020-06-04 → 2020-12-21 · 7 obs
● 2020-06-04 21:58:38
○ 2020-07-20 13:29:20
● 2020-09-05 16:30:40
● 2020-12-21 00:55:12
○ 2026-06-13 02:01:54
○ 2026-08-12 22:06:16
○A77.78.104.32015-08-20 → 2017-01-23 · 8 obs
● 2016-04-27 15:05:26
○ 2016-06-13 01:39:40
○ 2016-06-20 12:01:18
● 2016-07-08 04:42:48
● 2017-01-23 08:08:36
○ 2019-08-12 00:25:44
○ 2026-08-12 22:06:16
○A89.221.217.582019-08-12 → 2020-05-07 · 5 obs
● 2019-08-12 00:25:44
● 2020-05-07 08:30:34
○ 2020-06-04 21:58:38
○ 2026-08-12 22:06:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| dyn.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 dyn.cz (unsigned zone)
⏱️ Timing
Total: 1040ms | 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
dyn.cz directs to one IP number, which is 209.250.224.249.
Among the host names that share IP numbers with dyn.cz are www.aph.cz, inovacnipodnikani.cz, (0x706f726e)a.cz and two others.
Name Servers
dyn.cz is served by three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
dyn.cz has at least partial name server overlap with other domains, such as gpc.cz, 232-user27.scnet.cz, mail.vho.cz and two others.
ns2.parktons.com, alpha1.rdrhost.com and alpha2.rdrhost.com — plus 6 other name servers — are commonly paired with these name servers.
ns.parktons.com has IP address 46.8.8.88, beta1.rdrhost.com has IP address 209.250.224.249 and beta2.rdrhost.com has IP address 45.76.135.224 — one address each.
Mail Servers
dyn.cz routes its mail through a single mail server, mail.parktons.com.
dyn.cz has the same mail server arrangement as a number of other domains, for example www.asavesterlund.com.ip4.bz, wimanwifi.com, ngpqvm.info and two more.
mail.parktons.com resolves to 155.138.212.151 and no other IP number.