yventech.com - dns.ninja
yventech.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 2014-09-03 #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=1786437439 | ||||||
Same first word
yventech.com |
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.yventech.com2016-12-15 → 2017-09-29 · 4 obs
● 2017-09-29 21:46:00
○ 2026-03-25 15:22:10
○ 2026-08-11 09:02:52
●MXmx.web4u.cz2026-03-25 → 2026-08-11 · 3 obs
● 2026-03-25 15:22:10
● 2026-08-11 09:02:52
●A81.91.86.122016-12-15 → 2026-08-11 · 2 obs
● 2026-08-11 09:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| yventech.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 yventech.com (unsigned zone)
⏱️ Timing
Total: 880ms | 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
IP Addresses
yventech.com directs to one IP number, which is 81.91.86.12.
Among the host names that share IP numbers with yventech.com are www.darwiniana.cz, fjstyle.cz, andro-(0x706f726e).com and two others.
Name Servers
yventech.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
yventech.com has the same name server delegation as a number of other domains, such as braglia.cz, jansky-potok.com, metodo.cz and two more.
ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
yventech.com routes its mail through a single mail server, mx.web4u.cz.
yventech.com has the same mail server arrangement as a number of other domains, for example rprojekt.cz, na-vetre.cz, edico.cz and two more.
yventech.com shares mail servers with at least some other domains, such as kekesi.cz, c42.cz and creditcheck.cz.
mx.web4u.cz has two IP addresses: 81.91.87.12 and 2001:1568::7012.