mastercont.com - dns.ninja
mastercont.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.201.89.168🇺🇸 LiquidWeb199.201.89.0/24 Network Block | ||||||
| PTR | tiger2.webcerta.com.br | ||||||
| NS | ns1.webcerta.com.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.sitecontabil.com.br ⚠️ Not in zone NS records | ||||||
| A | 67.43.8.245🇺🇸 LiquidWeb67.43.0.0/20 Liquid Web Inc 4210 S. Creyts Rd Lansing, MI 48917 | ||||||
| PTR | xfox.sitecontabil.com.br | ||||||
| NS | ns2.sitecontabil.com.br ⚠️ Not in zone NS records | ||||||
| A | 67.43.8.243🇺🇸 LiquidWeb67.43.0.0/20 Liquid Web Inc 4210 S. Creyts Rd Lansing, MI 48917 | ||||||
| PTR | xthunder.sitecontabil.com.br | ||||||
| NS | ns2.webcerta.com.br ⚠️ Not in parent delegation | ||||||
| MX | mail.mastercont.com ⭐ | ||||||
| A | 199.201.89.168🇺🇸 LiquidWeb199.201.89.0/24 Network Block | ||||||
| PTR | tiger2.webcerta.com.br | ||||||
| TXT | v=spf1 ip4:67.43.8.248 ip4:199.201.89.168 +a +mx +ip4:199.201.89.93 +include:... | ||||||
| SOA | ns1.webcerta.com.brfelipe@deieno.com.br 2026-05-18 #0 | ||||||
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=1785232182 | ||||||
Previously MX for
Subdomains
mail.mastercont.com |
Same first word
mastercont.ro |
mastercont.com.br |
mastercont.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSns1.sitecontabil.com.br2026-03-13 → 2026-07-28 · 3 obs
● 2026-03-13 03:20:02
● 2026-07-28 10:12:52
●NSns1.webcerta.com.br2015-08-13 → 2026-07-28 · 2 obs
● 2026-07-28 10:12:52
●NSns2.sitecontabil.com.br2026-03-13 → 2026-07-28 · 3 obs
● 2026-03-13 03:20:02
● 2026-07-28 10:12:52
●NSns2.webcerta.com.br2015-08-13 → 2026-07-28 · 2 obs
● 2026-07-28 10:12:52
○NSns3.webcerta.com.br2015-08-13 → 2016-03-22 · 4 obs
● 2016-03-22 11:10:16
○ 2026-03-13 03:20:02
○ 2026-07-28 10:12:52
○NSns4.webcerta.com.br2015-08-13 → 2016-03-22 · 4 obs
● 2016-03-22 11:10:16
○ 2026-03-13 03:20:02
○ 2026-07-28 10:12:52
●MXmail.mastercont.com2026-03-13 → 2026-07-28 · 3 obs
● 2026-03-13 03:20:02
● 2026-07-28 10:12:52
○MXmastercont.com2015-08-13 → 2016-03-22 · 4 obs
● 2016-03-22 11:10:16
○ 2026-03-13 03:20:02
○ 2026-07-28 10:12:52
●A199.201.89.1682015-08-13 → 2026-07-28 · 2 obs
● 2026-07-28 10:12:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mastercont.com | ns1.sitecontabil.com.br, ns2.sitecontabil.com.br | - |
✅ Authoritative Response
Server:67.43.8.243
NS records: ns1.sitecontabil.com.br, ns2.sitecontabil.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercont.com (unsigned zone)
⏱️ Timing
Total: 1095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.201.89.168 |
| NS | 2 | ns1.webcerta.com.br, ns2.webcerta.com.br |
| MX | 1 | mail.mastercont.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:67.43.8.248 ip4:199.201.89.16 |
| SOA | 1 | ns1.webcerta.com.br felipe.deieno.com.br |
Analysis
Hierarchy
The domain mail.mastercont.com falls under the parent mastercont.com.
IP Addresses
mastercont.com has exactly one IP address — 199.201.89.168.
escreal.com.br, mail.orgafisco.com.br, moraismiranda.com.br plus two other host names have IP numbers in common with mastercont.com.
Name Servers
Four name servers handle the delegation for mastercont.com: ns1.sitecontabil.com.br, ns2.sitecontabil.com.br, ns1.webcerta.com.br and ns2.webcerta.com.br.
At least some of mastercont.com's name servers are shared with other domains, for example conserge.com.br, contabilidadenascimento.com.br, 2mcontabil.com.br and two more.
These name servers are often deployed together with the name servers ns3.sitecontabil.com.br, ns4.sitecontabil.com.br, ns1.whmserver.net and ns2.whmserver.net.
Each of ns1.sitecontabil.com.br and ns2.sitecontabil.com.br has one IP address: ns1.sitecontabil.com.br uses 67.43.8.245 and ns2.sitecontabil.com.br uses 67.43.8.243.
Mail Servers
mastercont.com uses one mail server — mail.mastercont.com.
mail.mastercont.com resolves to 199.201.89.168 and no other IP number.