institutocortex.org.br - robtex.com
institutocortex.org.br
org.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=2026116548 | ||||||
Subdomains
mail.institutocortex.org.br |
Same first word
institutocortex.org.br |
DNS History
8 records (8 active, 0 former)
●NSns-407.awsdns-50.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●NSns1.landingsite.ai2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●NSns2.landingsite.ai2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●NSns3.landingsite.ai2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●NSns4.landingsite.ai2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●MXsmtp.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●A166.117.246.712026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
●A75.2.29.1472026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 23:08:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, c.dns.br, d.dns.br, a.dns.br... | - |
| institutocortex.org.br | ns1.landingsite.ai, ns2.landingsite.ai, ns3.landingsite.ai, ns4.landingsite.ai | - |
✅ Authoritative Response
Server:205.251.193.151
NS records: ns1.landingsite.ai, ns2.landingsite.ai, ns3.landingsite.ai, ns4.landingsite.ai
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for institutocortex.org.br (unsigned zone)
⏱️ Timing
Total: 772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 166.117.246.71, 75.2.29.147 |
| NS | 4 | ns1.landingsite.ai, ns2.landingsite.ai... |
| MX | 1 | smtp.google.com (pri: 0) |
| TXT | 1 | google-site-verification=GRhsYoz5zOaPnVh |
| SOA | 1 | ns-407.awsdns-50.com awsdns-hostmaster.a |
Analysis
Hierarchy
institutocortex.org.br is the parent of mail.institutocortex.org.br.
IP Addresses
institutocortex.org.br resolves to two IP numbers: 75.2.29.147 and 166.117.246.71.
other host names including francemarketing.org, checkable.com, arkitechsolutions.com, insideandoutcleaning.org and limpiezadiamante.com share IP numbers with institutocortex.org.br.
Name Servers
institutocortex.org.br is delegated to five name servers: ns1.landingsite.ai, ns2.landingsite.ai, ns3.landingsite.ai, ns4.landingsite.ai and ns-407.awsdns-50.com.
institutocortex.org.br at least partially shares name servers with other domains, for instance d3rpgqg3n03ok.cloudfront.net, communityfarms.com, bsa.pearson.com, jeffstanleyforsheriff.com and bhgcrafts.com.
Hostnames with two IPs
ns1.landingsite.ai points to 2600:9000:5301:9700::1 and 205.251.193.151
ns2.landingsite.ai points to 2600:9000:5307:6700::1 and 205.251.199.103
ns3.landingsite.ai points to 2600:9000:5302:6b00::1 and 205.251.194.107
ns4.landingsite.ai points to 2600:9000:5305:8e00::1 and 205.251.197.142
ns-407.awsdns-50.com points to 2600:9000:5301:9700::1 and 205.251.193.151
Names resolving to 2600:9000:5301:9700::1: ns1.landingsite.ai and ns-407.awsdns-50.com
Names resolving to 205.251.193.151: ns1.landingsite.ai and ns-407.awsdns-50.com
Mail Servers
institutocortex.org.br is handled by a single mail server, smtp.google.com.
institutocortex.org.br shares the same mail server setup as other domains, for instance agenciacreato.com, 1zero.biz, usemesh.com, elitewtd.com and grainedenature.be.
institutocortex.org.br shares some mail servers with other domains, at least partially, for instance thejeera.com, hydrodrive.co.in, patmypets.com, hackett.co.uk and brooklynrepublicapparel.com.
these mail servers are commonly used with the mail servers alt1.aspmx.l.google.com.
smtp.google.com points to nine IPs: 2607:f8b0:4004:c1b::1a, 2607:f8b0:4004:c1b::1b, 2607:f8b0:4004:c1d::1a, 2607:f8b0:4004:c1d::1b, 142.251.163.26, 142.251.163.27, 142.251.167.26, 142.251.167.27 and 192.178.155.26.