surfer.cz - robtex.com
surfer.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | gamma1.rdrhost.com | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | gamma2.rdrhost.com | ||||||
| A | 45.77.230.88🇬🇧 AS-VULTR45.77.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.230.88.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=1786549643 | ||||||
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
○NSamy.ns.cloudflare.com2015-06-05 → 2017-05-26 · 4 obs
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
●NSgamma1.rdrhost.com2026-06-20 → 2026-08-12 · 3 obs
● 2026-06-20 20:05:00
● 2026-08-12 16:58:00
●NSgamma2.rdrhost.com2026-06-20 → 2026-08-12 · 3 obs
● 2026-06-20 20:05:00
● 2026-08-12 16:58:00
○NSmark.ns.cloudflare.com2015-06-05 → 2017-05-26 · 4 obs
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
●NSns.parktons.com2026-06-20 → 2026-08-12 · 3 obs
● 2026-06-20 20:05:00
● 2026-08-12 16:58:00
●MXmail.parktons.com2026-06-20 → 2026-08-12 · 3 obs
● 2026-06-20 20:05:00
● 2026-08-12 16:58:00
○MXpm27.host2017-05-26 → 2017-05-26 · 4 obs
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
○MXpm27.net2015-06-05 → 2016-10-09 · 4 obs
● 2016-10-09 07:08:50
○ 2017-05-26 00:56:08
○ 2026-08-12 16:58:00
○A104.24.110.2452015-06-05 → 2017-05-26 · 4 obs
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
○A104.24.111.2452015-06-05 → 2017-05-26 · 4 obs
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
○A2400:cb00:2048:1::6818:6ef52016-01-15 → 2017-05-26 · 5 obs
● 2016-01-15 11:27:16
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
○A2400:cb00:2048:1::6818:6ff52016-01-15 → 2017-05-26 · 5 obs
● 2016-01-15 11:27:16
● 2017-05-26 00:56:08
○ 2026-04-05 03:46:52
○ 2026-08-12 16:58:00
●A78.141.239.2482026-06-20 → 2026-08-12 · 3 obs
● 2026-06-20 20:05:00
● 2026-08-12 16:58:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| surfer.cz | gamma1.rdrhost.com, gamma2.rdrhost.com | - |
✅ Authoritative Response
Server:78.141.239.248
NS records: gamma1.rdrhost.com, gamma2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for surfer.cz (unsigned zone)
⏱️ Timing
Total: 974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.141.239.248 |
| NS | 2 | gamma1.rdrhost.com, gamma2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
surfer.cz resolves to one IP address: 78.141.239.248.
topenglish.cz, jcv.cz, josifek.cz and two other host names share IP numbers with surfer.cz.
Name Servers
surfer.cz has three name servers — ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com.
At least some of surfer.cz's name servers are shared with other domains, for example internetonline.cz, leaders.cz, slever.cz and two more.
These name servers tend to co-occur with ns2.parktons.com, beta1.rdrhost.com, beta2.rdrhost.com and 6 other name servers in the same DNS delegations.
Each of the three hostnames points to exactly one IP address: ns.parktons.com points to 46.8.8.88, gamma1.rdrhost.com points to 78.141.239.248 and gamma2.rdrhost.com points to 45.77.230.88.
Mail Servers
Mail for surfer.cz is handled by a single mail server, mail.parktons.com.
surfer.cz uses an identical mail server configuration to several other domains — among them 84-235-120-56.(0x706f726e)odomobilu.cz, 231-user17.scnet.cz, cdn2.xulonggame.com and two more.
mail.parktons.com points to one IP number — 155.138.212.151.