duxtelecom.com.br - robtex.com
duxtelecom.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.duxtelecom.com.br ⭐ | ||||||
| A | 2804:2304:2::35🇧🇷 UNSPECIFIED2804:2304::/34 CLARO S.A. Customer | ||||||
| A | 138.97.96.35🇧🇷 UNSPECIFIED138.97.96.0/23 CLARO S.A. Customer | ||||||
| PTR | ns1.duxnet.com.br | ||||||
| NS | ns2.duxtelecom.com.br | ||||||
| A | 2804:2304::9🇧🇷 UNSPECIFIED2804:2304::/34 CLARO S.A. Customer | ||||||
| A | 138.97.96.9🇧🇷 UNSPECIFIED138.97.96.0/23 CLARO S.A. Customer | ||||||
| PTR | ns2.duxnet.com.br | ||||||
| PTR | 138-97-96-9.host.duxnet.com.br | ||||||
| MX | mx.b.locaweb.com.br ⭐ | ||||||
| A | 177.153.23.242🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA | ||||||
| PTR | mx.b.locaweb.com.br | ||||||
| MX | mx.core.locaweb.com.br ⭐ | ||||||
| A | 177.153.23.241🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA | ||||||
| PTR | mx.core.locaweb.com.br | ||||||
| MX | mx.a.locaweb.com.br(20) | ||||||
| A | 186.202.4.42🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA | ||||||
| PTR | mx.a.locaweb.com.br | ||||||
| MX | mx.jk.locaweb.com.br(20) | ||||||
| A | 200.234.204.130🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA | ||||||
| PTR | mx.jk.locaweb.com.br | ||||||
| TXT | v=spf1 include:_spf.locaweb.com.br -all | ||||||
| SOA | ns1.duxtelecom.com.brmail@duxtelecom.com.br.duxtelecom.com.br serial=1718653094 | ||||||
com.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=2026117472 | ||||||
rank #4188 in the tld
WOT: SAFE (69/100)
Subdomains
DNS History
6 records (6 active, 0 former)
●NSns1.duxtelecom.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
●NSns2.duxtelecom.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
●MXmx.a.locaweb.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
●MXmx.b.locaweb.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
●MXmx.core.locaweb.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
●MXmx.jk.locaweb.com.br2026-04-27 → 2026-04-27 · 2 obs
● 2026-04-27 20:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| duxtelecom.com.br | ns1.duxtelecom.com.br, ns2.duxtelecom.com.br | 4 records |
✅ Authoritative Response
Server:138.97.96.35
NS records: ns1.duxtelecom.com.br, ns2.duxtelecom.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duxtelecom.com.br (unsigned zone)
⏱️ Timing
Total: 1212ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.duxtelecom.com.br, ns1.duxtelecom.com.br |
| MX | 4 | mx.b.locaweb.com.br (pri: 10), mx.core.locaweb.com.br (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.locaweb.com.br -all |
| SOA | 1 | ns1.duxtelecom.com.br mail.duxtelecom.co |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.duxtelecom.com.br, ns2.duxtelecom.com.br, ns1.duxtelecom.com.br...)
Analysis
Hierarchy
duxtelecom.com.br is a parent of ns2.duxtelecom.com.br and ns1.duxtelecom.com.br.
Name Servers
duxtelecom.com.br is delegated to two name servers: ns1.duxtelecom.com.br and ns2.duxtelecom.com.br.
duxtelecom.com.br shares name servers with other domains at least partially, for example 96.97.138.in-addr.arpa.
these name servers are often used with the following: ns1.clickfibra.com.br, ns2.clickfibra.com.br, ns1.clicknetfacil.com.br, ns2.clicknetfacil.com.br, ns1.duxfibra.com.br, ns2.duxfibra.com.br, ns1.duxgps.com.br, ns2.duxgps.com.br, ns1.duxhosting.com.br and ns2.duxhosting.com.br.
Host names with two IP numbers:
ns1.duxtelecom.com.br points to 2804:2304:2::35 and 138.97.96.35; ns2.duxtelecom.com.br points to 2804:2304::9 and 138.97.96.9.
Mail Servers
duxtelecom.com.br is handled by four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.
duxtelecom.com.br shares mail servers with other domains at least partially; for instance copyedisa.com, dynaeng.com.br, biglog.com.br, expandhempreendimentos.com.br and chemtech.tecnologia.ws.
Host names with a single IP:
mx.a.locaweb.com.br points to 186.202.4.42
mx.b.locaweb.com.br points to 177.153.23.242
mx.core.locaweb.com.br points to 177.153.23.241
mx.jk.locaweb.com.br points to 200.234.204.130