miniweb.cz - robtex.com
miniweb.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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 2025-05-06 #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=1785847643 | ||||||
Subdomains
mail.miniweb.cz |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXmail.miniweb.cz2015-06-28 → 2018-08-01 · 4 obs
● 2018-08-01 01:52:58
○ 2026-05-12 11:35:24
○ 2026-08-04 12:48:40
●MXmx1.mailchannels.net2026-05-12 → 2026-08-04 · 3 obs
● 2026-05-12 11:35:24
● 2026-08-04 12:48:40
●MXmx2.mailchannels.net2026-05-12 → 2026-08-04 · 3 obs
● 2026-05-12 11:35:24
● 2026-08-04 12:48:40
●A81.91.86.102015-06-28 → 2026-08-04 · 2 obs
● 2026-08-04 12:48:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| miniweb.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1386ms | 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, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
miniweb.cz serves as the parent of mail.miniweb.cz.
IP Addresses
miniweb.cz resolves to just one IP address, 81.91.86.10.
Two other host names, along with bratri.cz, www.martinova.cz and merkato.cz, also share IP numbers with miniweb.cz.
Name Servers
DNS delegation for miniweb.cz points to two name servers: ns2.web4u.cz and ns.web4u.cz.
miniweb.cz shares its NS records with other domains, for example zumko.sk, jontech.cz, swdt.cz and two others.
miniweb.cz has partial name server overlap with other domains, including elcad.cz.
ns2.web4u.cz directs to 85.207.53.12 and 2a02:a40:100:28ff::12. ns.web4u.cz directs to 185.14.224.241 and 2001:1568:fd::241. Each host name carries two IP addresses.
Mail Servers
miniweb.cz is served by two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
Among the domains sharing a mail server setup with miniweb.cz are voipmonster.com.au, mail.bvrbelize.com, mortshire.org and two others.
The mail servers of miniweb.cz are at least partially shared with other domains, including stansbrackets.com.
Both mx1.mailchannels.net and mx2.mailchannels.net have a single IP address, 54.69.1.140, and share it.
Host names pointing to 54.69.1.140 IP addresses: mx1.mailchannels.net and mx2.mailchannels.net.