classes.com.br - dns.ninja

classes.com.br

DNSSEC🔒 Signed (DS record present)
A23.22.240.130🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix
PTRec2-23-22-240-130.compute-1.amazonaws.com
NSe.sec.dns.br ⭐
A2001:12f8:b:1::14🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)
PTRe.sec.dns.br
A200.192.232.14🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)
PTRe.sec.dns.br
NSf.sec.dns.br
A2001:12f8:9:1::14🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
A200.189.40.14🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)
PTRf.sec.dns.br
MXclasses.com.br ⭐ 🔒
A23.22.240.130🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix
PTRec2-23-22-240-130.compute-1.amazonaws.com
SOAe.sec.dns.brhostmaster@registro.br serial=2026176000

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026193222
rank #540375 globally
rank #4035 in the tld
WOT: SAFE (69/100)

MX for

classes.com.br

Same first word

classes.university
classes.training
classes.de
classes.com.au
classes.com
classes.ng
classes.net
classes.life
classes.com.br
classes.ws
classes.org
classes.se
classes.dance
classes.us
classes.ch
classes.miami
classes.ru
classes.at
classes.io
classes.com.hk
classes.guru
classes.ie
classes.ca
classes.me
classes.eu
classes.co.il

Similar names

cassels.se
scaless.com
cassels.net
cassels.co.nz
esclass.com
salescs.com
esclass.net
casessl.com
cassels.com
seclass.com
cssales.com
cssales.co.uk
lessacs.fr
sealssc.com
cassels.org
cesslas.com
cassels.tv
lessacs.com
esclass.cn
cassels.ca
cassels.us
cassels.nz
cassels.me

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSe.sec.dns.brf.sec.dns.brns-1063.awsdns-04.orgns-1858.awsdns-40.co.ukns-439.awsdns-54.comns-698.awsdns-23.netMXclasses.com.brA23.22.240.13052.7.232.2754.207.47.210
●NSe.sec.dns.br2026-03-08 → 2026-07-12 · 3 obs
○ 2017-08-26 02:50:22
● 2026-03-08 00:58:44
● 2026-07-12 09:53:02
●NSf.sec.dns.br2026-03-08 → 2026-07-12 · 3 obs
○ 2017-08-26 02:50:22
● 2026-03-08 00:58:44
● 2026-07-12 09:53:02
○NSns-1063.awsdns-04.org2015-06-04 → 2017-08-26 · 4 obs
● 2015-06-04 12:22:46
● 2017-08-26 02:50:22
○ 2026-03-08 00:58:44
○ 2026-07-12 09:53:02
○NSns-1858.awsdns-40.co.uk2015-06-04 → 2017-08-26 · 4 obs
● 2015-06-04 12:22:46
● 2017-08-26 02:50:22
○ 2026-03-08 00:58:44
○ 2026-07-12 09:53:02
○NSns-439.awsdns-54.com2015-06-04 → 2017-08-26 · 4 obs
● 2015-06-04 12:22:46
● 2017-08-26 02:50:22
○ 2026-03-08 00:58:44
○ 2026-07-12 09:53:02
○NSns-698.awsdns-23.net2015-06-04 → 2017-08-26 · 4 obs
● 2015-06-04 12:22:46
● 2017-08-26 02:50:22
○ 2026-03-08 00:58:44
○ 2026-07-12 09:53:02
●MXclasses.com.br2026-03-08 → 2026-07-12 · 2 obs
● 2026-03-08 00:58:44
● 2026-07-12 09:53:02
●A23.22.240.1302026-03-08 → 2026-07-12 · 3 obs
○ 2017-08-26 02:50:22
● 2026-03-08 00:58:44
● 2026-07-12 09:53:02
○A52.7.232.272016-01-01 → 2017-08-26 · 5 obs
○ 2015-10-23 21:47:32
● 2016-01-01 02:30:24
● 2017-08-26 02:50:22
○ 2026-03-08 00:58:44
○ 2026-07-12 09:53:02
○A54.207.47.2102015-06-04 → 2015-10-23 · 4 obs
● 2015-06-04 12:22:46
● 2015-10-23 21:47:32
○ 2016-01-01 02:30:24
○ 2026-07-12 09:53:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
classes.com.bre.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.189.40.14

NS records: e.sec.dns.br, f.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1018ms | Queries: -

📄 Records

TypeCountSample Data
A123.22.240.130
NS2e.sec.dns.br, f.sec.dns.br
MX1classes.com.br (pri: 10)
SOA1e.sec.dns.br hostmaster.registro.br

Analysis

Mail Server Role

classes.com.br is listed as a mail server for itself.

IP Addresses

classes.com.br resolves to one IP address: 23.22.240.130.

ec2-23-22-240-130.compute-1.amazonaws.com, for instance, is one of the other host names sharing IP numbers with classes.com.br.

Name Servers

classes.com.br uses two name servers for its delegation: e.sec.dns.br and f.sec.dns.br.

classes.com.br uses the same name servers as several other domains — among them guiatudofesta.com.br, disqueintacta.com.br, condorconnect.com.br and two more.

The name servers of classes.com.br overlap at least partially with those of other domains — among them coif.com.br, gbstecnologia.com.br, villagardenmaresias.com.br and two more.

These name servers commonly appear in combination with the name servers d.sec.dns.br.

The two host names e.sec.dns.br and f.sec.dns.br each have a pair of IP addresses: e.sec.dns.br has 200.192.232.14 and 2001:12f8:b:1::14, and f.sec.dns.br has 200.189.40.14 and 2001:12f8:9:1::14.

Mail Servers

Mail for classes.com.br is handled by one mail server — classes.com.br.

classes.com.br directs to just one IP number, 23.22.240.130.