class.com.br - dns.ninja

class.com.br

DNSSEC⚠️ Not signed
NSns-389.awsdns-48.com ⭐
A2600:9000:5301:8500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-389.awsdns-48.com
A205.251.193.133🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-389.awsdns-48.com
NSns-1347.awsdns-40.org
A2600:9000:5305:4300::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1347.awsdns-40.org
A205.251.197.67🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1347.awsdns-40.org
NSns-1940.awsdns-50.co.uk ⚠️ Not in parent delegation
A2600:9000:5307:9400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1940.awsdns-50.co.uk
A205.251.199.148🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1940.awsdns-50.co.uk
NSns-757.awsdns-30.net
A2600:9000:5302:f500::1🇺🇸 Amazon2600:9000:5302::/48
A205.251.194.245
PTRns-757.awsdns-30.net
MXmx.uhserver.com ⭐
TXTMS=ms63516572
TXTv=spf1 include:spf.whservidor.com ?all
SOAns-389.awsdns-48.comawsdns-hostmaster@amazon.com serial=1

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=2026164326
WOT: SAFE (62/100)
rank #533353 globally
rank #3994 in the tld
WOT: SAFE (69/100)

Subdomains

www.class.com.br

Same first word

class.ca
class.solutions
class.com.pe
class.lk
class.edu.vn
class.net.br
class.pe
class.bg
class.ai
class.business
class.ai.in
class.se
class.ly
class.su
class.rs
class.de
class.co
class.am
class.it
class.works
class.systems
class.technology
class.network
class.com.py
class.info
class.do
class.tax
class.world
class.expert
class.co.at
class.msk.ru
class.so
class.report
class.al
class.eu
class.st
class.id
class.biz
class.com.tr
class.gr
class.org
class.us
class.com
class.bet
class.ps
class.edu.pl
class.com.mx
class.dk
class.builders
class.capital
class.watch
class.srl
class.com.cn
class.lv
class.cash
class.management
class.wiki
class.ch
class.com.tw
class.guide
class.kr
class.cc
class.mba
class.tech
class.digital
class.sk
class.run
class.today
class.immo
class.me
class.im
class.cl
class.ma
class.adobeaemcloud.com
class.com.au
class.nl
class.io
class.fr
class.tel
class.net
class.hu
class.ro
class.net.nz
class.co.jp
class.zone
class.es
class.hr
class.on.ca
class.community
class.agency
class.cn
class.rocks
class.services
class.cz
class.com.br
class.la

Similar names

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sacsl.co
acssl.org
scals.cn
calss.com
scsla.org
clsas.com
ssacl.com
slcsa.co.za
slcas.on.ca
cassl.org
ascls.org
lsasc.org
slacs.de
clssa.info
lscas.com
scals.de
clssa.org
scsla.com
scals.co.jp
sacsl.es
ascsl.com
acssl.campaign.gov.uk
aslcs.com
scals.com
lscsa.com
lcsas.us
lcssa.com
lssac.com
slacs.ca
lsasc.com
cssla.com
slsca.com
sslca.com
ascsl.net
sscal.com
aclss.com
ssalc.org
saslc.com
casls.com
acssl.com
salsc.com
alscs.com
calss.net.cn
lscsa.de
lacss.org
slacs.net

DNS History

25 records (5 active, 20 former)

200920112013201520172019202120232025NSns-1347.awsdns-40.orgns-1940.awsdns-50.co.ukns-389.awsdns-48.comns-757.awsdns-30.netdns1.kinghost.com.brdns2.kinghost.com.brdns3.kinghost.com.brdns4.kinghost.com.brdns5.kinghost.com.brdns6.kinghost.com.brns1.dominios.uol.com.brns2.dominios.uol.com.brns3.dominios.uol.com.brprudenet.prudenet.com.brpsnet.psnet.com.brMXmx.uhserver.combeowulf.prudenet.com.brmx-vip-01-farm64.kinghost.netmx-vip-01.kinghost.netmx-vip-02-farm64.kinghost.netmx-vip-02.kinghost.netA177.185.196.41200.153.119.130200.98.64.262804:10:13::196:41
○NSdns1.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○NSdns2.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○NSdns3.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○NSdns4.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○NSdns5.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○NSdns6.kinghost.com.br2015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
●NSns-1347.awsdns-40.org2026-02-16 → 2026-06-13 · 3 obs
○ 2016-11-11 08:34:18
● 2026-02-16 09:41:16
● 2026-06-13 14:05:54
●NSns-1940.awsdns-50.co.uk2026-02-16 → 2026-06-13 · 3 obs
○ 2016-11-11 08:34:18
● 2026-02-16 09:41:16
● 2026-06-13 14:05:54
●NSns-389.awsdns-48.com2026-02-16 → 2026-06-13 · 3 obs
○ 2016-11-11 08:34:18
● 2026-02-16 09:41:16
● 2026-06-13 14:05:54
●NSns-757.awsdns-30.net2026-02-16 → 2026-06-13 · 3 obs
○ 2016-11-11 08:34:18
● 2026-02-16 09:41:16
● 2026-06-13 14:05:54
○NSns1.dominios.uol.com.br2016-11-11 → 2016-11-11 · 4 obs
○ 2016-05-08 05:15:26
● 2016-11-11 08:34:18
○ 2026-02-16 09:41:16
○ 2026-06-13 14:05:54
○NSns2.dominios.uol.com.br2016-11-11 → 2016-11-11 · 4 obs
○ 2016-05-08 05:15:26
● 2016-11-11 08:34:18
○ 2026-02-16 09:41:16
○ 2026-06-13 14:05:54
○NSns3.dominios.uol.com.br2016-11-11 → 2016-11-11 · 4 obs
○ 2016-05-08 05:15:26
● 2016-11-11 08:34:18
○ 2026-02-16 09:41:16
○ 2026-06-13 14:05:54
○NSprudenet.prudenet.com.br2008-01-16 → 2008-01-16 · 3 obs
● 2008-01-16 10:06:26
○ 2015-08-03 07:37:36
○ 2026-06-13 14:05:54
○NSpsnet.psnet.com.br2008-01-16 → 2008-01-16 · 3 obs
● 2008-01-16 10:06:26
○ 2015-08-03 07:37:36
○ 2026-06-13 14:05:54
○MXbeowulf.prudenet.com.br2008-01-16 → 2008-01-16 · 3 obs
● 2008-01-16 10:06:26
○ 2015-08-03 07:37:36
○ 2026-06-13 14:05:54
○MXmx-vip-01-farm64.kinghost.net2016-01-02 → 2016-05-08 · 5 obs
○ 2015-08-03 07:37:36
● 2016-01-02 16:46:12
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○MXmx-vip-01.kinghost.net2015-08-03 → 2015-08-03 · 4 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
○ 2016-01-02 16:46:12
○ 2026-06-13 14:05:54
○MXmx-vip-02-farm64.kinghost.net2016-01-02 → 2016-05-08 · 5 obs
○ 2015-08-03 07:37:36
● 2016-01-02 16:46:12
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○MXmx-vip-02.kinghost.net2015-08-03 → 2015-08-03 · 4 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
○ 2016-01-02 16:46:12
○ 2026-06-13 14:05:54
●MXmx.uhserver.com2016-11-11 → 2026-06-13 · 3 obs
○ 2016-05-08 05:15:26
● 2016-11-11 08:34:18
● 2026-06-13 14:05:54
○A177.185.196.412015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54
○A200.153.119.1302008-01-16 → 2008-01-16 · 3 obs
● 2008-01-16 10:06:26
○ 2015-08-03 07:37:36
○ 2026-06-13 14:05:54
○A200.98.64.262016-11-11 → 2026-02-16 · 5 obs
○ 2016-05-08 05:15:26
● 2016-11-11 08:34:18
● 2026-02-16 09:41:16
○ 2026-03-26 09:13:34
○ 2026-06-13 14:05:54
○A2804:10:13::196:412015-08-03 → 2016-05-08 · 5 obs
○ 2008-01-16 10:06:26
● 2015-08-03 07:37:36
● 2016-05-08 05:15:26
○ 2016-11-11 08:34:18
○ 2026-06-13 14:05:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...12 records
class.com.brns-757.awsdns-30.net, ns-389.awsdns-48.com, ns-1347.awsdns-40.org-

✅ Authoritative Response

Server:205.251.194.245

NS records: ns-757.awsdns-30.net, ns-389.awsdns-48.com, ns-1347.awsdns-40.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for class.com.br (unsigned zone)

⏱️ Timing

Total: 3018ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-1347.awsdns-40.org, ns-1940.awsdns-50.co.uk...
MX1mx.uhserver.com (pri: 10)
TXT2MS=ms63516572, v=spf1 include:spf.whservidor.com ?all
SOA1ns-389.awsdns-48.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.dns.br, a.dns.br, b.dns.br...)

Analysis

Hierarchy

class.com.br serves as the parent of www.class.com.br.

Name Servers

class.com.br is delegated to four name servers, ns-389.awsdns-48.com, ns-757.awsdns-30.net, ns-1347.awsdns-40.org and ns-1940.awsdns-50.co.uk.

ns-389.awsdns-48.com, ns-757.awsdns-30.net, ns-1347.awsdns-40.org and ns-1940.awsdns-50.co.uk all point to exactly two IP numbers each: ns-389.awsdns-48.com → 205.251.193.133 and 2600:9000:5301:8500::1; ns-757.awsdns-30.net → 205.251.194.245 and 2600:9000:5302:f500::1; ns-1347.awsdns-40.org → 205.251.197.67 and 2600:9000:5305:4300::1; ns-1940.awsdns-50.co.uk → 205.251.199.148 and 2600:9000:5307:9400::1.

Mail Servers

class.com.br uses one mail server — mx.uhserver.com.

The mail server setup of class.com.br matches that of other domains such as vieirafilho.com, transamericatur.com.br, gagomes.com and two others.

class.com.br has mail servers in common with other domains — for example garotafit.com.br and gestccon.com.br.