techschool.com.br - dns.ninja
techschool.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=2026175224 | ||||||
rank #4007 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
●NSa.sec.dns.br2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●NSb.sec.dns.br2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●MXalt1.aspmx.l.google.com2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●MXalt2.aspmx.l.google.com2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●MXaspmx.l.google.com2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●MXaspmx2.googlemail.com2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
●MXaspmx3.googlemail.com2015-08-20 → 2026-06-24 · 2 obs
● 2026-06-24 09:22:32
○A104.131.185.562015-08-20 → 2016-03-29 · 4 obs
● 2016-03-29 16:35:14
○ 2016-11-20 19:18:58
○ 2026-06-24 09:22:32
○A138.197.22.262016-11-20 → 2016-11-20 · 4 obs
● 2016-11-20 19:18:58
○ 2026-03-25 07:10:44
○ 2026-06-24 09:22:32
●A162.243.29.1262026-03-25 → 2026-06-24 · 3 obs
● 2026-03-25 07:10:44
● 2026-06-24 09:22:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, c.dns.br, a.dns.br, b.dns.br... | - |
| techschool.com.br | a.sec.dns.br, b.sec.dns.br | - |
✅ Authoritative Response
Server:200.192.232.11
NS records: a.sec.dns.br, b.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.243.29.126 |
| NS | 2 | b.sec.dns.br, a.sec.dns.br |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), aspmx2.googlemail.com (pri: 10)... |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
IP Addresses
techschool.com.br resolves to just one IP address, 162.243.29.126.
Name Servers
techschool.com.br has two authoritative name servers — a.sec.dns.br and b.sec.dns.br.
techschool.com.br shares its NS records with other domains, for example jurisdictio.com.br, drumma.com.br, expertfitness.com.br and two others.
At least some of techschool.com.br's name servers are shared with other domains, for example viacaosaojose.com.br, medcnh.com.br, eprofessor.com.br and two more.
These name servers tend to be used in conjunction with the name servers c.sec.dns.br.
Both a.sec.dns.br and b.sec.dns.br have two IP addresses each. a.sec.dns.br resolves to 200.160.0.11 and 2001:12ff::11; b.sec.dns.br resolves to 200.192.232.11 and 2001:12f8:b:1::11.
Mail Servers
techschool.com.br has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between techschool.com.br and other domains, including enstino.com, tip.link, adonny.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c29::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.