douc.cz - robtex.com
douc.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=1774851437 | ||||||
Same first word
Similar names
DNS History
16 records (5 active, 11 former)
●NSbeta1.rdrhost.com2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 08:06:40
● 2026-03-30 06:45:54
●NSbeta2.rdrhost.com2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 08:06:40
● 2026-03-30 06:45:54
●NSns.parktons.com2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 08:06:40
● 2026-03-30 06:45:54
○NSns.wedos.com2015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○NSns.wedos.cz2015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○NSns.wedos.eu2015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○NSns.wedos.net2015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○NSns1.thinline.cz2015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-15 16:37:34
○ 2026-03-30 06:45:54
○NSns2.thinline.cz2015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-15 16:37:34
○ 2026-03-30 06:45:54
○NSns3.cesky-hosting.eu2015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-15 16:37:34
○ 2026-03-30 06:45:54
●MXmail.parktons.com2026-03-27 → 2026-03-30 · 2 obs
● 2026-03-30 06:45:54
●A209.250.224.2492026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 08:06:40
● 2026-03-30 06:45:54
○A2a00:1ed0:2:0:1:5bef:c846:12015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-15 16:37:34
○ 2026-03-30 06:45:54
○A2a02:2b88:1:4::162015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○A46.28.105.22015-11-15 → 2016-05-07 · 5 obs
● 2015-11-15 16:37:34
● 2016-05-07 12:35:44
○ 2020-11-23 15:09:22
○ 2026-03-30 06:45:54
○A91.239.200.702015-07-11 → 2015-07-11 · 3 obs
○ 2015-11-15 16:37:34
○ 2026-03-30 06:45:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| douc.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 douc.cz (unsigned zone)
⏱️ Timing
Total: 2544ms | 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
douc.cz resolves to a single IP: 209.250.224.249.
Other host names, for instance spac.cz, orly.cz, hary.cz, www.rrp.cz and dzob.cz share IP numbers with douc.cz.
Name Servers
douc.cz delegates to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
douc.cz shares some name servers with other domains, for example ip-87-204-92-90.assat.pl, www.4hubb56.com, ivof.info, sdgdm.yt and bpnnjqalkvx.pw.domain.name.
These name servers are commonly paired with ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, dns1.domain.name and dns2.domain.name.
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
douc.cz is handled by a single mail server, mail.parktons.com.
douc.cz shares the mail server setup with other domains, for example mail.elektrostyle.cz, mail.(0x62656567).cz, applvn.com.domain.name, artza.info and indoorgolf.cz.
Host name mail.parktons.com points to IP 155.138.212.151.