classofficial.com.br - robtex.com
classofficial.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=2026074138 | ||||||
rank #4043 in the tld
WOT: SAFE (69/100)
Same first word
classofficial.com.br |
DNS History
4 records (4 active, 0 former)
●NSe.sec.dns.br2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 06:36:12
●NSf.sec.dns.br2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 06:36:12
●MXsmtp.google.com2026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 06:36:12
●A23.227.38.652026-03-22 → 2026-03-24 · 2 obs
● 2026-03-24 06:36:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| classofficial.com.br | f.sec.dns.br, e.sec.dns.br | - |
✅ Authoritative Response
Server:200.189.40.14
NS records: f.sec.dns.br, e.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1102ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.65 |
| NS | 2 | e.sec.dns.br, f.sec.dns.br |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | google-site-verification=PaGp_nUlOsOzmDb |
| SOA | 1 | e.sec.dns.br hostmaster.registro.br |
Analysis
IP Addresses
classofficial.com.br points to IP number: 23.227.38.65.
Other host names such as tsurag.com, juno.bio, seveskig.com, carbatec.com.au and bnbfirearms.com share IPs with classofficial.com.br.
Name Servers
classofficial.com.br is delegated to two name servers: e.sec.dns.br and f.sec.dns.br.
classofficial.com.br shares the same name server setup as planej.com.br, blocksmedia.com.br, biomundo.com.br, intermusica.com.br and noivamodas.com.br.
classofficial.com.br at least partially shares name servers with other domains, for instance hildamedeiros.com.br, mknod.com.br, tecidosmania.com.br, conferp.org.br and occkio.com.br.
these name servers are often used in conjunction with the name servers d.sec.dns.br.
Host names with two IP numbers: e.sec.dns.br points to: 2001:12f8:b:1::14 and 200.192.232.14; f.sec.dns.br points to: 2001:12f8:9:1::14 and 200.189.40.14.
Mail Servers
classofficial.com.br is handled by a single mail server, smtp.google.com.
The mail server setup for classofficial.com.br matches that of other domains, for instance totali.it, pw7.eu, panatronic.co.jp, avenueinsurance.co.ug and tashaapparel.com.
classofficial.com.br shares at least partially some mail servers with other domains, including visualworks.com.br, klooma.com, dwimas.net, pro-mo.cl and tbsministries.com.
these mail servers are often used with alt2.aspmx.l.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.