institutorbc.com.br - robtex.com
institutorbc.com.br
com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2026048032 | ||||||
rank #4036 in the tld
WOT: SAFE (69/100)
Up
mail.institutorbc.com.br |
Same first word
institutorbc.com.br |
Similar names
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bitcointrust.nl |
bitcointrust.org |
bitcointrust.com |
trustbitcoin.io |
bitcointrust.net |
bitcointrust.us |
bitcointrust.de |
bitcointrust.ca |
DNS History
13 records (7 active, 6 former)
●NSamy.ns.cloudflare.com2017-03-16 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
●NSmatt.ns.cloudflare.com2017-03-16 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
●MXmail.institutorbc.com.br2017-03-16 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
●A104.21.7.2532026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
○A104.31.66.2472017-03-16 → 2019-12-30 · 3 obs
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○A104.31.67.2472017-03-16 → 2019-12-30 · 3 obs
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
●A172.67.156.1452026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
○A2400:cb00:2048:1::681f:42f72017-03-16 → 2017-03-16 · 3 obs
○ 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○A2400:cb00:2048:1::681f:43f72017-03-16 → 2017-03-16 · 3 obs
○ 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○A2606:4700:30::681f:42f72019-12-30 → 2019-12-30 · 3 obs
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
○A2606:4700:30::681f:43f72019-12-30 → 2019-12-30 · 3 obs
● 2019-12-30 05:48:22
○ 2026-02-21 20:07:28
●A2606:4700:3031::6815:7fd2026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
●A2606:4700:3033::ac43:9c912026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 20:07:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| institutorbc.com.br | amy.ns.cloudflare.com, matt.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.59.131
NS records: amy.ns.cloudflare.com, matt.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for institutorbc.com.br (unsigned zone)
⏱️ Timing
Total: 105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.156.145, 104.21.7.253 |
| AAAA | 2 | 2606:4700:3033::ac43:9c91, 2606:4700:3031::6815:7fd |
| NS | 2 | amy.ns.cloudflare.com, matt.ns.cloudflare.com |
| MX | 1 | mail.institutorbc.com.br (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:162.214.69.61 ip4:162.21 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amy.ns.cloudflare.com dns.cloudflare.com |
AI analysis
mail.institutorbc.com.br is a child of institutorbc.com.br.
institutorbc.com.br refers to four IP numbers: 2606:4700:3031::6815:7fd, 2606:4700:3033::ac43:9c91, 104.21.7.253 and 172.67.156.145.
Other host names, for instance hywds.com, jan-daniels.de, 99iwin.com, www.cloudserverforemail.com and 24x7northants.co.uk share IP numbers with institutorbc.com.br.
institutorbc.com.br's delegation uses two name servers: amy.ns.cloudflare.com and matt.ns.cloudflare.com.
institutorbc.com.br uses the same name server setup as other domains, such as mompreneurs.us, habitable.com.br, 9g.lt, 9szj.com and compbem.com.br.
institutorbc.com.br at least partially shares name servers with other domains, including dcofa.com, zakarias.org, kyhealth.org.au, ptlawpllc.com and tusairways.com.
These name servers are commonly used with byron.ns.cloudflare.com.
Host names with six IP numbers:
amy.ns.cloudflare.com points to 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101.
matt.ns.cloudflare.com points to 2606:4700:58::adf5:3b83, 2803:f800:50::6ca2:c183, 2a06:98c1:50::ac40:2183, 108.162.193.131, 172.64.33.131 and 173.245.59.131.
A single mail server handles institutorbc.com.br, mail.institutorbc.com.br.
Host name mail.institutorbc.com.br resolves to a single IP: 162.214.69.61.