dupla.com.br - robtex.com
dupla.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 186.194.52.218🇧🇷 EVEO186.194.52.0/23 | ||||||
| PTR | br63-da.valueserver.net.br | ||||||
| NS | ns1.valueserver.net.br ⭐ | ||||||
| A | 177.136.237.51🇧🇷 EVEO177.136.236.0/23 | ||||||
| NS | ns2.valueserver.net.br | ||||||
| A | 143.137.188.131🇧🇷 EVEO143.137.188.0/24 CLARO S.A. Customer | ||||||
| PTR | sp-143-137-188-131.l3.eveocloud.net | ||||||
| MX | mail.dupla.com.br ⭐ | ||||||
| A | 186.194.52.218🇧🇷 EVEO186.194.52.0/23 | ||||||
| PTR | br63-da.valueserver.net.br | ||||||
| TXT | v=spf1 a mx ip4:186.194.52.218 include:relay.mailbaby.net include:spf.antis... | ||||||
| TXT | google-site-verification=4HOQN1qKhkjhh837ndc6MDp-k76-BGsOP9cJ8qp4x78 | ||||||
| SOA | ns1.valueserver.net.brhostmaster@dupla.com.br 2026-01-09 #2 | ||||||
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=2026208516 | ||||||
rank #536884 globally
rank #3849 in the tld
WOT: SAFE (69/100)
Subdomains
mail.dupla.com.br |
Same first word
dupla.nl |
dupla.net |
dupla.ru |
dupla.com.br |
dupla.com |
dupla.be |
dupla.de |
dupla.cl |
dupla.co.za |
dupla.co |
dupla.org |
dupla.fr |
dupla.pt |
dupla.it |
Similar names
DNS History
12 records (4 active, 8 former)
○NSb.sec.dns.br2015-10-25 → 2017-05-13 · 5 obs
● 2015-10-25 00:33:58
● 2017-05-13 15:21:54
○ 2026-05-15 06:33:46
○ 2026-07-27 21:50:42
○NSc.sec.dns.br2015-10-25 → 2017-05-13 · 5 obs
● 2015-10-25 00:33:58
● 2017-05-13 15:21:54
○ 2026-05-15 06:33:46
○ 2026-07-27 21:50:42
●NSns1.valueserver.net.br2026-05-15 → 2026-07-27 · 3 obs
● 2026-05-15 06:33:46
● 2026-07-27 21:50:42
○NSns2.terraempresas.com.br2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-25 00:33:58
○ 2026-07-27 21:50:42
●NSns2.valueserver.net.br2026-05-15 → 2026-07-27 · 3 obs
● 2026-05-15 06:33:46
● 2026-07-27 21:50:42
○NSns3.terraempresas.com.br2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-25 00:33:58
○ 2026-07-27 21:50:42
●MXmail.dupla.com.br2026-05-15 → 2026-07-27 · 3 obs
● 2026-05-15 06:33:46
● 2026-07-27 21:50:42
○MXmx.terraempresas.com.br2015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-25 00:33:58
○ 2026-07-27 21:50:42
○MXmx.zoho.com2015-10-25 → 2017-05-13 · 5 obs
● 2015-10-25 00:33:58
● 2017-05-13 15:21:54
○ 2026-05-15 06:33:46
○ 2026-07-27 21:50:42
○MXmx2.zoho.com2015-10-25 → 2017-05-13 · 5 obs
● 2015-10-25 00:33:58
● 2017-05-13 15:21:54
○ 2026-05-15 06:33:46
○ 2026-07-27 21:50:42
●A186.194.52.2182026-05-15 → 2026-07-27 · 3 obs
● 2026-05-15 06:33:46
● 2026-07-27 21:50:42
○A198.171.234.152015-06-18 → 2015-06-18 · 3 obs
○ 2015-10-25 00:33:58
○ 2026-07-27 21:50:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | e.dns.br, c.dns.br, a.dns.br, b.dns.br... | - |
| dupla.com.br | ns1.valueserver.net.br, ns2.valueserver.net.br | - |
✅ Authoritative Response
Server:143.137.188.131
NS records: ns1.valueserver.net.br, ns2.valueserver.net.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dupla.com.br (unsigned zone)
⏱️ Timing
Total: 859ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 186.194.52.218 |
| NS | 2 | ns1.valueserver.net.br, ns2.valueserver.net.br |
| MX | 1 | mail.dupla.com.br (pri: 10) |
| TXT | 2 | v=spf1 a mx ip4:186.194.52.218 include:, google-site-verification=4HOQN1qKhkjhh83 |
| SOA | 1 | ns1.valueserver.net.br hostmaster.dupla. |
Analysis
Hierarchy
mail.dupla.com.br is a subdomain of dupla.com.br.
IP Addresses
dupla.com.br has exactly one IP address — 186.194.52.218.
mail.eggdigital.com.br, vidracariadestak.com.br, neres.adv.br plus two other host names have IP numbers in common with dupla.com.br.
Name Servers
dupla.com.br is served by two delegated name servers, ns1.valueserver.net.br and ns2.valueserver.net.br.
The name server configuration of dupla.com.br is shared with other domains, for instance estudiovr.com.br, nc2web.com.br, itapetinga24horas.com and two others.
The name servers of dupla.com.br overlap at least partially with those of other domains — among them armazemdoeucalipto.com.br, clamoreprofessionale.com.br, lojavirtualempresarial.com.br and two more.
These name servers commonly appear in delegations together with ns1.nesseminuto.com.br, ns2.nesseminuto.com.br, ns1.uberlandiacriacaodesites.com.br and 7 other.
Both ns1.valueserver.net.br and ns2.valueserver.net.br have a single IP address each — ns1.valueserver.net.br resolves to 177.136.237.51 while ns2.valueserver.net.br resolves to 143.137.188.131.
Mail Servers
dupla.com.br uses one mail server — mail.dupla.com.br.
There is one IP number for mail.dupla.com.br: 186.194.52.218.