mojerf.cz - robtex.com
mojerf.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.28.88.8🇨🇿 GREENDATA217.28.88.0/21 | ||||||
| PTR | host8.expleo.at | ||||||
| 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 | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.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 2026-05-15 #8 | ||||||
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=1786798042 | ||||||
Same first word
mojerf.cz |
Similar names
DNS History
5 records (5 active, 0 former)
●MXmx1.mailchannels.net2026-07-17 → 2026-08-15 · 2 obs
● 2026-08-15 13:00:14
●MXmx2.mailchannels.net2026-07-17 → 2026-08-15 · 2 obs
● 2026-08-15 13:00:14
●A217.28.88.82026-07-17 → 2026-08-15 · 2 obs
● 2026-08-15 13:00:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz | - |
| mojerf.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: 1132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.28.88.8 |
| 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
IP Addresses
mojerf.cz points to a single IP number: 217.28.88.8.
Name Servers
Two name servers handle the delegation for mojerf.cz: ns2.web4u.cz and ns.web4u.cz.
mojerf.cz shares its name server setup with other domains, including sun4u.cz, redalert3.cz, freshmicrogreens.eu 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
mojerf.cz has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
mojerf.cz shares the same mail server setup as other domains, including phenakist.com, bjgpublishingservices.com, maryhillwindwalk.com and two others.
mojerf.cz uses mail servers that are also used by other domains, including grafu.se, capire.se and tailwind.se.
Each of mx1.mailchannels.net and mx2.mailchannels.net has one IP address: mx1.mailchannels.net uses 54.187.177.89 and mx2.mailchannels.net uses 54.69.1.140.