cox.net.br - robtex.com
cox.net.br
net.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026059434 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSa.sec.dns.br2026-02-28 → 2026-02-28 · 3 obs
● 2026-02-28 18:05:14
● 2026-02-28 18:05:16
●NSb.sec.dns.br2026-02-28 → 2026-02-28 · 3 obs
● 2026-02-28 18:05:14
● 2026-02-28 18:05:16
○NSns1.softbusiness.com.br2015-08-09 → 2017-07-05 · 4 obs
● 2017-07-05 09:15:52
○ 2026-02-28 18:05:14
○ 2026-02-28 18:05:16
○NSns2.softbusiness.com.br2015-08-09 → 2017-07-05 · 4 obs
● 2017-07-05 09:15:52
○ 2026-02-28 18:05:14
○ 2026-02-28 18:05:16
○MXcox.net.br2015-08-09 → 2017-07-05 · 4 obs
● 2017-07-05 09:15:52
○ 2026-02-28 18:05:14
○ 2026-02-28 18:05:16
●MXsmtp.google.com2026-02-28 → 2026-02-28 · 3 obs
● 2026-02-28 18:05:14
● 2026-02-28 18:05:16
●A154.12.251.1852026-02-28 → 2026-02-28 · 3 obs
● 2026-02-28 18:05:14
● 2026-02-28 18:05:16
○A168.144.85.812015-08-09 → 2017-07-05 · 4 obs
● 2017-07-05 09:15:52
○ 2026-02-28 18:05:14
○ 2026-02-28 18:05:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| cox.net.br | a.sec.dns.br, b.sec.dns.br | - |
✅ Authoritative Response
Server: 200.160.0.11
NS records: a.sec.dns.br, b.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 904ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.12.251.185 |
| NS | 2 | b.sec.dns.br, a.sec.dns.br |
| MX | 2 | smtp.google.com (pri: 1), smtp.google.com (pri: 5) |
| TXT | 4 | MS=ms78764348, google-site-verification=Dwv9wOPiDQJzQkp... |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
IP Addresses
cox.net.br points to a single IP number: 154.12.251.185.
Other host names, for instance ns2.softbusiness.net.br, marcolin.me, ns1.softbusiness.net.br, main.softbusiness.net.br and yodh.com.br share IP numbers with cox.net.br.
Name Servers
Delegation for cox.net.br rests with two name servers, a.sec.dns.br and b.sec.dns.br.
cox.net.br shares the same name server setup as other domains, including guner.com.br, revistaexclusive.com.br, narfen.com.br, comercialbauru.com.br and netpecas.com.br.
cox.net.br at least partially shares name servers with other domains, for instance dlkfitness.com.br, rjp.com.br, armazemrep.com.br, afoscarini.adv.br and domum.com.br.
These name servers are commonly used with the name servers c.sec.dns.br.
Host names with two IP numbers: a.sec.dns.br points to 2001:12ff::11 and 200.160.0.11; b.sec.dns.br points to 2001:12f8:b:1::11 and 200.192.232.11.
Mail Servers
cox.net.br is handled by a single mail server, smtp.google.com.
cox.net.br uses the same mail server configuration as other domains, such as saxonis.co.uk, edestinos.com.do, costasearch.com, zakharioustours.com and realestatedl.com.
cox.net.br shares mail servers with other domains at least in part, for instance decories.com, jazz901.org, platon.cz, makerlab.in and divingscore.com.
These mail servers are often used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.