pcberoun.cz - robtex.com
pcberoun.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| A | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-06 #0 | ||||||
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=1777002435 | ||||||
Subdomains
server.pcberoun.cz |
Same first word
pcberoun.cz |
Similar names
DNS History
12 records (6 active, 6 former)
○MXalt1.aspmx.l.google.com2019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
○MXalt2.aspmx.l.google.com2019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
○MXaspmx.l.google.com2019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
○MXaspmx2.googlemail.com2019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
○MXaspmx3.googlemail.com2019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
●MXmx1.mailchannels.net2026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 04:09:14
●MXmx2.mailchannels.net2026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 04:09:14
○A109.123.216.1102019-12-20 → 2019-12-20 · 2 obs
○ 2026-04-24 04:09:14
●A2001:1568::142026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 04:09:14
●A81.91.86.142026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 04:09:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz | - |
| pcberoun.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 821ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
pcberoun.cz is the parent of server.pcberoun.cz.
IP Addresses
pcberoun.cz points to two IPs: 2001:1568::14 and 81.91.86.14.
Other host names including vs130.server4u.cz, www.sawan.cz, vs393.server4u.cz, guimbal.pl and buki.cz share IP numbers with pcberoun.cz.
Name Servers
pcberoun.cz's delegation uses two name servers, ns2.web4u.cz and ns.web4u.cz.
pcberoun.cz shares the same name server setup as other domains, for example sonoscan.cz, krejcovi.cz, vasetopeni.cz, krach.cz and craken.cz.
pcberoun.cz at least partially shares name servers with other domains; for instance elcad.cz.
Host names with two IPs:
ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12
ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241
Mail Servers
pcberoun.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
pcberoun.cz shares its mail server setup with other domains, including kerka.cz, vagueidea.com, nomgh.com, ausdjforums.com and naaru.org.
pcberoun.cz shares some mail servers with other domains, for example slimvac.com and shadgetti.com.
Host names with a single IP:
mx1.mailchannels.net points to 54.187.177.89.
mx2.mailchannels.net points to 54.69.1.140.