educ21.com.br - robtex.com
educ21.com.br
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=2026205392 | ||||||
rank #505210 globally
rank #3676 in the tld
WOT: SAFE (69/100)
Subdomains
s1-portal-bal-01.educ21.com.br |
cuite-pb.educ21.com.br |
santarita-pb.educ21.com.br |
cabedelo-pb.educ21.com.br |
araripina-pe.educ21.com.br |
nisiafloresta-rn.educ21.com.br |
portal-professor.educ21.com.br |
ielmomarinho-rn.educ21.com.br |
saobento-pb.educ21.com.br |
camaragibe-pe.educ21.com.br |
lagarto-se.educ21.com.br |
nossasenhoradosocorro-se.educ21.com.br |
saojoaodopiaui-pi.educ21.com.br |
s2-portal-bal-01.educ21.com.br |
curraisnovos-rn.educ21.com.br |
tibaudosul-rn.educ21.com.br |
s4-portal-bal-01.educ21.com.br |
s3-portal-bal-01.educ21.com.br |
altodorodrigues-rn.educ21.com.br |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.p201.dns.oraclecloud.net2026-03-25 → 2026-07-24 · 2 obs
● 2026-07-24 16:49:26
●NSns2.p201.dns.oraclecloud.net2026-03-25 → 2026-07-24 · 2 obs
● 2026-07-24 16:49:26
●NSns3.p201.dns.oraclecloud.net2026-03-25 → 2026-07-24 · 2 obs
● 2026-07-24 16:49:26
●NSns4.p201.dns.oraclecloud.net2026-03-25 → 2026-07-24 · 2 obs
● 2026-07-24 16:49:26
●A136.248.75.2032026-03-25 → 2026-07-24 · 2 obs
● 2026-07-24 16:49:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| educ21.com.br | ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net | - |
✅ Authoritative Response
Server:108.59.166.201
NS records: ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for educ21.com.br (unsigned zone)
⏱️ Timing
Total: 1068ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.248.75.203 |
| NS | 4 | ns1.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net... |
| TXT | 1 | google-site-verification=nXsn_zvaXAPukuR |
| SOA | 1 | ns1.p201.dns.oraclecloud.net hostmaster. |
Analysis
Hierarchy
The host names s1-portal-bal-01.educ21.com.br, cuite-pb.educ21.com.br, santarita-pb.educ21.com.br, cabedelo-pb.educ21.com.br and araripina-pe.educ21.com.br — among a few others — fall under the parent domain educ21.com.br.
IP Addresses
educ21.com.br has exactly one IP address — 136.248.75.203.
quarkclinic.com.br, site.esig.com.br, quark.tec.br plus two other host names have IP numbers in common with educ21.com.br.
Name Servers
Four name servers handle the delegation for educ21.com.br: ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net and ns4.p201.dns.oraclecloud.net.
At least some of educ21.com.br's name servers are shared with other domains, for example dfgfdg.com, plano-coudon.com, nicks.se and two more.
These name servers tend to co-occur with a1-160.akam.net, a11-66.akam.net, a13-65.akam.net and 3 other name servers in the same DNS delegations.
Four hostnames, each resolving to a pair of IP addresses: ns1.p201.dns.oraclecloud.net directs to 108.59.166.201 and 2600:2000:2100::c9; ns2.p201.dns.oraclecloud.net directs to 108.59.168.201 and 2600:2000:2110::c9; ns3.p201.dns.oraclecloud.net directs to 108.59.170.201 and 2600:2000:2120::c9; ns4.p201.dns.oraclecloud.net directs to 108.59.172.201 and 2600:2000:2130::c9.