bluemail.cz - robtex.com
bluemail.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=1777479437 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSbeta1.rdrhost.com2026-04-01 → 2026-04-29 · 3 obs
● 2026-04-01 19:08:48
● 2026-04-29 16:55:48
●NSbeta2.rdrhost.com2026-04-01 → 2026-04-29 · 3 obs
● 2026-04-01 19:08:48
● 2026-04-29 16:55:48
○NSns.gransy.com2015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
●NSns.parktons.com2026-04-01 → 2026-04-29 · 3 obs
● 2026-04-01 19:08:48
● 2026-04-29 16:55:48
○NSns2.gransy.com2015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
○NSns3.gransy.com2015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
○NSns4.gransy.com2015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
○NSns5.gransy.com2015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
●MXmail.parktons.com2026-04-01 → 2026-04-29 · 2 obs
● 2026-04-29 16:55:48
●A209.250.224.2492026-04-01 → 2026-04-29 · 3 obs
● 2026-04-01 19:08:48
● 2026-04-29 16:55:48
○A77.78.104.32015-07-10 → 2018-09-22 · 4 obs
● 2018-09-22 02:47:10
○ 2026-04-01 19:08:48
○ 2026-04-29 16:55:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| bluemail.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 bluemail.cz (unsigned zone)
⏱️ Timing
Total: 1769ms | 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
bluemail.cz points to IP number: 209.250.224.249.
Other host names such as hrajto.cz, egw.cz, delat.cz, notas.cz and controls.cz share IPs with bluemail.cz.
Name Servers
bluemail.cz is delegated to three name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
bluemail.cz at least partially shares name servers with other domains, for instance mail.sbox.ws, kupe.cz, vitajarnov.com, sitbs004.mlytics.ai and mail.kontraktor.cz.
These name servers are commonly used with ns2.parktons.com, delta1.rdrhost.com, delta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, ai1.rdrhost.com, ai2.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
bluemail.cz is handled by a single mail server, mail.parktons.com.
The mail server setup for bluemail.cz matches that of other domains, for instance zupo.cz, tonekingbay.info, seotools.cz, ip-87-204-92-19.assat.pl and mail.inetcom.lv.
mail.parktons.com points to a single IP: 155.138.212.151.