klinkovsky.cz - robtex.com
klinkovsky.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 | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2026-02-27 #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=1774831635 | ||||||
Same first word
klinkovsky.cz |
klinkovsky.info |
DNS History
8 records (6 active, 2 former)
○MXmail.klinkovsky.cz2015-05-21 → 2017-03-23 · 4 obs
● 2017-03-23 13:32:54
○ 2026-02-18 22:14:16
○ 2026-03-30 01:29:14
●MXmx1.mailchannels.net2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 22:14:16
● 2026-03-30 01:29:14
●MXmx2.mailchannels.net2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 22:14:16
● 2026-03-30 01:29:14
●A2001:1568::142026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 22:14:16
● 2026-03-30 01:29:14
○A81.91.86.112015-05-21 → 2017-03-23 · 4 obs
● 2017-03-23 13:32:54
○ 2026-02-18 22:14:16
○ 2026-03-30 01:29:14
●A81.91.86.142026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 22:14:16
● 2026-03-30 01:29:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| klinkovsky.cz | ns2.web4u.cz, ns.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns2.web4u.cz, ns.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 963ms | 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: 12
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 4 (ns2.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
IP Addresses
klinkovsky.cz resolves to two IPs: 2001:1568::14 and 81.91.86.14.
other host names for instance mail.tahokov-technotron.cz, betgate.com, auditel.cz, italyholiday.eu and postak.palacfenix.com share IP numbers with klinkovsky.cz.
Name Servers
klinkovsky.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
klinkovsky.cz shares the same name server setup as other domains, for example koga.cz, pemm.cz, esge.cz, wildwind.eu and chemici.cz.
klinkovsky.cz at least partially shares name servers with other domains, for example gasstorage.cz and voss-ova.cz.
Host names with two IP numbers:
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
klinkovsky.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
klinkovsky.cz shares the same mail server setup as other domains, for instance medunic.com, argenparts.com, tribvids.com, defectiveyeti.com and quioccsa.com.
klinkovsky.cz shares some mail servers with other domains at least partially, for example thorsson.se.
Host names with a single IP number:
mx1.mailchannels.net points to 18.236.29.166 and mx2.mailchannels.net points to 18.236.29.166.
Host names that point to 18.236.29.166: mx1.mailchannels.net and mx2.mailchannels.net.