u2-system.com - robtex.com
u2-system.com
com
| 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=1774885762 | ||||||
Same first word
u2-system.com |
DNS History
13 records (9 active, 4 former)
●NSns47.domaincontrol.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●NSns48.domaincontrol.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●MXalt1.aspmx.l.google.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●MXalt2.aspmx.l.google.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●MXaspmx.l.google.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●MXaspmx2.googlemail.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●MXaspmx3.googlemail.com2016-11-29 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
●A15.197.225.1282026-03-30 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
○A216.239.32.212016-11-29 → 2017-06-23 · 3 obs
● 2017-06-23 05:14:26
○ 2026-03-30 15:51:36
○A216.239.34.212016-11-29 → 2017-06-23 · 3 obs
● 2017-06-23 05:14:26
○ 2026-03-30 15:51:36
○A216.239.36.212016-11-29 → 2017-06-23 · 3 obs
● 2017-06-23 05:14:26
○ 2026-03-30 15:51:36
○A216.239.38.212016-11-29 → 2017-06-23 · 3 obs
● 2017-06-23 05:14:26
○ 2026-03-30 15:51:36
●A3.33.251.1682026-03-30 → 2026-03-30 · 2 obs
● 2026-03-30 15:51:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| u2-system.com | ns47.domaincontrol.com, ns48.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.103.24
NS records: ns47.domaincontrol.com, ns48.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u2-system.com (unsigned zone)
⏱️ Timing
Total: 102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns47.domaincontrol.com, ns48.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=_7FWmLDfxktx_uy, v=spf1 include:_spf.google.com ?all |
| SOA | 1 | ns47.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns47.domaincontrol.com, ns47.domaincontrol.com, ns48.domaincontrol.com...)
Analysis
IP Addresses
u2-system.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
other host names including swannrealtor.com, trimblemap.io, marzook.net, dentalgrip.com and asapgeek.com share IP numbers with u2-system.com.
Name Servers
u2-system.com is delegated to two name servers ns47.domaincontrol.com and ns48.domaincontrol.com.
u2-system.com shares the same name server setup as other domains, for instance sonote.com, cbprod1.info, (0x65726f746963)awakenings.com, rfid.engineering and rantshare.com.
Host names with two IP numbers:
The host name ns47.domaincontrol.com points to 2603:5:2172::18 and 97.74.103.24; the host name ns48.domaincontrol.com points to 2603:5:2272::18 and 173.201.71.24.
Mail Servers
u2-system.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
u2-system.com shares some mail servers with other domains, at least partially, for instance rentables.co.nz, sspchk.com, ns500758.ns500759.ns500759.ns500698.ns500698.ns500736.ns500735.ns500736.ns500698.ns500708.ns500576.ns500698.ns500619.ns500652.ns500619.trackreceptor.com, ns500758.ns500759.ns500698.ns500698.ns500698.ns500736.ns500698.ns500698.ns500736.ns500576.ns500708.ns500698.ns500619.ns500619.ns500652.ns500576.trackreceptor.com and ns500758.ns500758.ns500758.ns500735.ns500736.ns500735.ns500698.ns500698.ns500735.ns500698.ns500576.ns500576.ns500619.ns500619.trackreceptor.com.
these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26.
The host name aspmx3.googlemail.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27.
The host name aspmx.l.google.com points to: 2607:f8b0:4004:c17::1b and 142.251.163.27.
The host name alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27.
The host name alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.27.
Host names that point to 2607:f8b0:4023:2801::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com.
Host names that point to 172.253.135.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.