mastercco.com - dns.ninja
mastercco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.172.172.169🇺🇸 Jacksonville216.172.172.0/24 | ||||||
| PTR | srv144-ip05.prodns.com.br | ||||||
| NS | ns1.mciserver.com.br ⭐ | ||||||
| A | 216.172.172.165🇺🇸 Jacksonville216.172.172.0/24 | ||||||
| PTR | srv144.prodns.com.br | ||||||
| NS | ns2.mciserver.com.br | ||||||
| A | 216.172.172.166🇺🇸 Jacksonville216.172.172.0/24 | ||||||
| PTR | srv144-ip02.prodns.com.br | ||||||
| MX | mail.mastercco.com ⭐ | ||||||
| A | 216.172.172.169🇺🇸 Jacksonville216.172.172.0/24 | ||||||
| PTR | srv144-ip05.prodns.com.br | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| SOA | ns1.mciserver.com.brdeniscco@gmail.com 2026-05-27 #1 | ||||||
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=1782748286 | ||||||
Subdomains
mail.mastercco.com |
Same first word
mastercco.com |
Similar names
DNS History
12 records (4 active, 8 former)
○NSns1.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
●NSns1.mciserver.com.br2026-03-08 → 2026-06-29 · 3 obs
● 2026-03-08 19:58:32
● 2026-06-29 16:18:54
○NSns2.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
●NSns2.mciserver.com.br2026-03-08 → 2026-06-29 · 3 obs
● 2026-03-08 19:58:32
● 2026-06-29 16:18:54
○NSns3.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
●MXmail.mastercco.com2026-03-08 → 2026-06-29 · 3 obs
● 2026-03-08 19:58:32
● 2026-06-29 16:18:54
○MXmx.a.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
○MXmx.b.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
○MXmx.core.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
○MXmx.jk.locaweb.com.br2015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
○A187.45.193.2062015-07-16 → 2017-03-29 · 4 obs
● 2017-03-29 10:03:30
○ 2026-03-08 19:58:32
○ 2026-06-29 16:18:54
●A216.172.172.1692026-03-08 → 2026-06-29 · 3 obs
● 2026-03-08 19:58:32
● 2026-06-29 16:18:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mastercco.com | ns1.mciserver.com.br, ns2.mciserver.com.br | - |
✅ Authoritative Response
Server:216.172.172.166
NS records: ns1.mciserver.com.br, ns2.mciserver.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercco.com (unsigned zone)
⏱️ Timing
Total: 814ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.172.172.169 |
| NS | 2 | ns1.mciserver.com.br, ns2.mciserver.com.br |
| MX | 1 | mail.mastercco.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | ns1.mciserver.com.br deniscco.gmail.com |
Analysis
Hierarchy
mastercco.com is the parent zone for mail.mastercco.com.
IP Addresses
mastercco.com has exactly one IP address — 216.172.172.169.
stuntnet.com.br, paternidaderesponsavel.org.br, saorafaelprevidencia.com.br plus two other host names have IP numbers in common with mastercco.com.
Name Servers
mastercco.com uses two name servers for its delegation: ns1.mciserver.com.br and ns2.mciserver.com.br.
mastercco.com, ddscomercio.com.br, tecnovac.com.br, autopecasdinamica.com.br and germaq.ind.br all share the same authoritative name server setup.
At least some of mastercco.com's name servers are also used by other domains, among them mciserver.com.br.
These name servers are regularly seen alongside ns144.prodns.com.br and ns145.prodns.com.br as name servers.
ns1.mciserver.com.br resolves to 216.172.172.165. ns2.mciserver.com.br resolves to 216.172.172.166. Both host names point to a single IP number.
Mail Servers
mastercco.com uses one mail server — mail.mastercco.com.
mail.mastercco.com directs to just one IP number, 216.172.172.169.