ledinsky.cz - robtex.com
ledinsky.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.10🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php4.web4u.cz | ||||||
| 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 | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.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 2025-05-04 #0 | ||||||
cz
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1778500055 | ||||||
Subdomains
mail.ledinsky.cz |
Same first word
Similar names
skylined.org |
skylined.com |
slkidney.com |
delinsky.com |
silkndye.com |
linksyde.my |
skylined.co.uk |
lindseyk.dev |
skylined.net |
skylined.ru |
skylined.eu |
DNS History
7 records (5 active, 2 former)
○MXmail.ledinsky.cz2015-08-16 → 2017-03-22 · 4 obs
● 2017-03-22 09:07:08
○ 2020-02-14 07:39:46
○ 2026-05-11 12:32:32
○MXmx.web4u.cz2020-02-14 → 2020-02-14 · 4 obs
● 2020-02-14 07:39:46
○ 2026-04-24 14:35:00
○ 2026-05-11 12:32:32
●MXmx1.mailchannels.net2026-04-24 → 2026-05-11 · 3 obs
● 2026-04-24 14:35:00
● 2026-05-11 12:32:32
●MXmx2.mailchannels.net2026-04-24 → 2026-05-11 · 3 obs
● 2026-04-24 14:35:00
● 2026-05-11 12:32:32
●A81.91.86.102015-08-16 → 2026-05-11 · 2 obs
● 2026-05-11 12:32:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| ledinsky.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: 1709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.10 |
| 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 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)
Analysis
Hierarchy
The parent of mail.ledinsky.cz is ledinsky.cz.
IP Addresses
ledinsky.cz points to an IP address: 81.91.86.10.
other host names include moricky.cz, eschler.cz, noal.cz, secure-it.cz and jori.cz; they share IP numbers with ledinsky.cz.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for ledinsky.cz.
ledinsky.cz shares the same name server setup as other domains, for instance tippsport.cz, machinetool.cz, obchod-autodily.cz, wwa.cz and sam-cl.eu.
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
ledinsky.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
ledinsky.cz uses the same mail server setup as other domains, for instance debaines.com, cowgirlsinstyle.com, christinaharrison.ca, stacieoverman.com and meatpackingproductions.us.
ledinsky.cz shares at least some mail servers with other domains, for instance druck18.de.
Host names with a single IP
mx1.mailchannels.net points to 54.69.1.140
mx2.mailchannels.net points to 54.69.1.140
Host names that point to 54.69.1.140: mx1.mailchannels.net and mx2.mailchannels.net