app4u.net - robtex.com
app4u.net
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
app4u.in |
app4u.no |
app4u.ru |
app4u.de |
app4u.sk |
app4u.us |
app4u.ch |
app4u.cz |
app4u.ca |
app4u.eu |
app4u.net |
app4u.today |
app4u.com |
app4u.ir |
app4u.tw |
Similar names
DNS History
10 records (7 active, 3 former)
○NSdns.mireene.com2017-01-11 → 2017-01-11 · 3 obs
○ 2026-02-18 02:01:00
○ 2026-03-23 00:07:38
●NSdns1.registrar-servers.com2026-02-18 → 2026-03-23 · 3 obs
● 2026-02-18 02:01:00
● 2026-03-23 00:07:38
●NSdns2.registrar-servers.com2026-02-18 → 2026-03-23 · 3 obs
● 2026-02-18 02:01:00
● 2026-03-23 00:07:38
●MXeforward1.registrar-servers.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 00:07:38
●MXeforward2.registrar-servers.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 00:07:38
●MXeforward3.registrar-servers.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 00:07:38
●MXeforward4.registrar-servers.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 00:07:38
●MXeforward5.registrar-servers.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 00:07:38
○A216.239.32.212015-06-03 → 2017-01-11 · 4 obs
● 2017-01-11 00:33:50
○ 2026-02-18 02:01:00
○ 2026-03-23 00:07:38
○A216.239.34.212015-06-03 → 2017-01-11 · 4 obs
● 2017-01-11 00:33:50
○ 2026-02-18 02:01:00
○ 2026-03-23 00:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| app4u.net | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for app4u.net (unsigned zone)
⏱️ Timing
Total: 162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
Name Servers
app4u.net is delegated to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.
app4u.net shares the same name server setup as other domains, for instance klouddigital.com, artemwear.com, jointolouisvuitton.com, uww.asia and carterautomation.us.
app4u.net at least partially shares name servers with other domains, for instance webfadi.com.
Host names with two IP numbers:
The host name dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; the host name dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.
Mail Servers
app4u.net is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.
app4u.net shares some mail servers with other domains, at least partially, for instance thecatsbutler.com, riverstocknewaygo.com, jaredng.com, bunibet247.com and hotelesenlisboa.com.
These mail servers are commonly used alongside eforward6.registrar-servers.com and eforward7.registrar-servers.com.
Host names with a single IP
eforward1.registrar-servers.com points to: 162.255.118.51
eforward2.registrar-servers.com points to: 162.255.118.52
eforward3.registrar-servers.com points to: 162.255.118.51
eforward4.registrar-servers.com points to: 162.255.118.52
eforward5.registrar-servers.com points to: 162.255.118.51
Host names that point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com
Host names that point to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com