4setup.net - dns.ninja
4setup.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| 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 2025-08-26 #1 | ||||||
net
| 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=1785691522 | ||||||
Same first word
Similar names
setup4.com.au |
pets4u.ru |
pets4u.com |
setup4.com |
pet4us.com |
setup4.de |
use4pt.com |
setup4.eu |
pets4u.co |
setup4.org |
pets4u.co.za |
pets4u.info |
step4u.com |
DNS History
6 records (6 active, 0 former)
●MXmx1.mailchannels.net2026-02-19 → 2026-08-02 · 2 obs
● 2026-08-02 17:30:12
●MXmx2.mailchannels.net2026-02-19 → 2026-08-02 · 2 obs
● 2026-08-02 17:30:12
●A2001:1568::142026-02-19 → 2026-08-02 · 2 obs
● 2026-08-02 17:30:12
●A81.91.86.142026-02-19 → 2026-08-02 · 2 obs
● 2026-08-02 17:30:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| 4setup.net | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4setup.net (unsigned zone)
⏱️ Timing
Total: 762ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| 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 |
Analysis
IP Addresses
4setup.net directs to two IP numbers, 81.91.86.14 and 2001:1568::14
*.bbs.eu, skacilik.cz, 888.cz plus two other host names have IP numbers in common with 4setup.net.
Name Servers
4setup.net is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
The name server configuration of 4setup.net is shared with other domains, for instance metalcomkanban.com, alesfrey.cz, sartor-stoffe.de and two others.
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
4setup.net uses two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
The mail server setup of 4setup.net matches that of other domains such as mail.akhilesh.com, memotrader.com, sounddguy.com and two others.
4setup.net has mail servers in common with other domains — for example samhawken.com and kabat.se.
mx1.mailchannels.net and mx2.mailchannels.net both resolve to the same single IP address: 54.69.1.140.
mx1.mailchannels.net and mx2.mailchannels.net are host names that each point to 54.69.1.140 IP addresses.