igesi.com - dns.ninja
igesi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php53.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 | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2012-03-07 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785016772 | ||||||
Subdomains
mail.igesi.com |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.igesi.com2015-08-05 → 2017-03-30 · 4 obs
● 2017-03-30 15:53:34
○ 2026-03-04 16:20:20
○ 2026-07-25 22:20:58
●MXmx.web4u.cz2026-03-04 → 2026-07-25 · 3 obs
● 2026-03-04 16:20:20
● 2026-07-25 22:20:58
●A81.91.86.122015-08-05 → 2026-07-25 · 2 obs
● 2026-07-25 22:20:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| igesi.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for igesi.com (unsigned zone)
⏱️ Timing
Total: 997ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
Hierarchy
igesi.com is the parent zone for mail.igesi.com.
IP Addresses
igesi.com has exactly one IP address — 81.91.86.12.
mail.backer-elektro.cz, kyowa.cz, linberg.cz plus two other host names have IP numbers in common with igesi.com.
Name Servers
Two name servers handle the delegation for igesi.com: ns2.web4u.cz and ns.web4u.cz.
The name server configuration of igesi.com is shared with other domains, for instance brnoreality.cz, nanobala.cz, pilotky.cz and two others.
ns2.web4u.cz and ns.web4u.cz both carry two IP addresses. The A records for ns2.web4u.cz are 85.207.53.12 and 2a02:a40:100:28ff::12; the A records for ns.web4u.cz are 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
igesi.com uses one mail server — mx.web4u.cz.
The mail server setup of igesi.com matches that of other domains such as best-residence.com, elpronet.cz, prudel.cz and two others.
igesi.com uses mail servers that are also used by other domains, including isosklo.cz, dkskolin.cz and ixio.cz.
The host mx.web4u.cz resolves to 81.91.87.12 and 2001:1568::7012 — two IP addresses.