4setup.net - robtex.com
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 | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ 🔒 | ||||||
| A | 52.38.143.159🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-52-38-143-159.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=1771291465 | ||||||
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 → 2026-03-14 · 2 obs
● 2026-03-14 01:05:16
●MXmx2.mailchannels.net2026-02-19 → 2026-03-14 · 2 obs
● 2026-03-14 01:05:16
●A2001:1568::142026-02-19 → 2026-03-14 · 2 obs
● 2026-03-14 01:05:16
●A81.91.86.142026-02-19 → 2026-03-14 · 2 obs
● 2026-03-14 01:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 4setup.net | 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 4setup.net (unsigned zone)
⏱️ Timing
Total: 845ms | 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 resolves to two IPs: 2001:1568::14 and 81.91.86.14.
other host names for instance *.bbs.eu, vs1077.server4u.cz, skacilik.cz, vs405.server4u.cz and 888.cz share IP numbers with 4setup.net.
Name Servers
4setup.net is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
4setup.net shares the same name server setup as other domains, for example metalcomkanban.com, alesfrey.cz, sartor-stoffe.de, artisia-absinth.eu and lukacern.cz.
Host names with two IP numbers:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12
ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241
Mail Servers
4setup.net is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
4setup.net shares the same mail server setup as other domains, for instance mail.akhilesh.com, memotrader.com, sounddguy.com, tranny-pro.com and kaghaz.pk.
4setup.net shares some mail servers with other domains, at least partially, for instance samhawken.com and kabat.se.
Host names with one IP number:
The host mx1.mailchannels.net points to 18.236.29.166 and the host mx2.mailchannels.net points to 52.38.143.159.