workclass.com.br - dns.ninja

workclass.com.br

DNSSEC⚠️ Not signed
A185.133.35.21🇧🇷 LINKED185.133.35.0/24
A185.133.35.22🇧🇷 LINKED185.133.35.0/24
NSns81.domaincontrol.com ⭐
A97.74.101.32🇺🇸 GODADDY-DNS97.74.100.0/23
PTRns61.domaincontrol.com
NSns82.domaincontrol.com
A173.201.69.32🇺🇸 GODADDY-DNS173.201.68.0/23
PTRns62.domaincontrol.com
MXsmtp.secureserver.net ⭐
A216.69.141.71🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp01-v01.prod.phx3.secureserver.net
A216.69.141.84🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp02-v01.prod.phx3.secureserver.net
A216.69.141.113🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp03-v01.prod.phx3.secureserver.net
MXmailstore1.secureserver.net(20)
A216.69.141.78🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp01-v02.prod.phx3.secureserver.net
A216.69.141.114🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp03-v02.prod.phx3.secureserver.net
A216.69.141.162🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp02-v02.prod.phx3.secureserver.net
TXTD4059163
TXTv=spf1 include:secureserver.net -all
SOAns81.domaincontrol.comdns@jomax.net 2026-01-14 #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=2026171062
rank #521291 globally
rank #3866 in the tld
WOT: SAFE (69/100)

Subdomains

mail.workclass.com.br

Same first word

workclass.com.br
workclass.cl
workclass.co
workclass.dk
workclass.com

Similar names

crosswalk.us
crosswalk.co
classwork.co
classwork.co.uk
crosswalk.org
classwork.org
classwork.in.ua
crosswalk.jp
crosswalk.cc
crosswalk.online
crosswalk.church
crosswalk.info
crosswalk.sakura.ne.jp
crosswalk.nl
classwork.ru
crosswakl.com
crosswalk.it
classwork.org.in
crosswalk.lighting
classwork.de
caslworks.com
classwork.ir
crosswalk.ch
crosswalk.eu
crosswalk.me
crosswalk.co.jp
crosswalk.net
classwork.xyz
classwork.com
crosswalk.com.au
classwork.net
crosswalk.com
crosswalk.ru
crosswalk.pw
classwork.in
classwork.school

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns81.domaincontrol.comns82.domaincontrol.comns3.tdkom.com.brns4.tdkom.com.brMXmailstore1.secureserver.netsmtp.secureserver.netmail.workclass.com.brA185.133.35.21185.133.35.22200.152.65.1752.200.197.31
○NSns3.tdkom.com.br2015-07-19 → 2017-06-15 · 4 obs
● 2015-07-19 02:03:34
● 2017-06-15 11:37:18
○ 2020-11-02 22:44:28
○ 2026-06-20 02:39:02
○NSns4.tdkom.com.br2015-07-19 → 2017-06-15 · 4 obs
● 2015-07-19 02:03:34
● 2017-06-15 11:37:18
○ 2020-11-02 22:44:28
○ 2026-06-20 02:39:02
●NSns81.domaincontrol.com2020-11-02 → 2026-06-20 · 3 obs
○ 2017-06-15 11:37:18
● 2020-11-02 22:44:28
● 2026-06-20 02:39:02
●NSns82.domaincontrol.com2020-11-02 → 2026-06-20 · 3 obs
○ 2017-06-15 11:37:18
● 2020-11-02 22:44:28
● 2026-06-20 02:39:02
○MXmail.workclass.com.br2015-07-19 → 2017-06-15 · 4 obs
● 2015-07-19 02:03:34
● 2017-06-15 11:37:18
○ 2020-11-02 22:44:28
○ 2026-06-20 02:39:02
●MXmailstore1.secureserver.net2020-11-02 → 2026-06-20 · 3 obs
○ 2017-06-15 11:37:18
● 2020-11-02 22:44:28
● 2026-06-20 02:39:02
●MXsmtp.secureserver.net2020-11-02 → 2026-06-20 · 3 obs
○ 2017-06-15 11:37:18
● 2020-11-02 22:44:28
● 2026-06-20 02:39:02
●A185.133.35.212026-02-15 → 2026-06-20 · 3 obs
○ 2020-11-02 22:44:28
● 2026-02-15 21:26:30
● 2026-06-20 02:39:02
●A185.133.35.222026-02-15 → 2026-06-20 · 3 obs
○ 2020-11-02 22:44:28
● 2026-02-15 21:26:30
● 2026-06-20 02:39:02
○A200.152.65.172015-07-19 → 2017-06-15 · 4 obs
● 2015-07-19 02:03:34
● 2017-06-15 11:37:18
○ 2020-11-02 22:44:28
○ 2026-06-20 02:39:02
○A52.200.197.312020-11-02 → 2020-11-02 · 4 obs
○ 2017-06-15 11:37:18
● 2020-11-02 22:44:28
○ 2026-02-15 21:26:30
○ 2026-06-20 02:39:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brb.dns.br, f.dns.br, d.dns.br, e.dns.br...-
workclass.com.brns82.domaincontrol.com, ns81.domaincontrol.com-

✅ Authoritative Response

Server:97.74.101.32

NS records: ns82.domaincontrol.com, ns81.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

TypeCountSample Data
A2185.133.35.21, 185.133.35.22
NS2ns81.domaincontrol.com, ns82.domaincontrol.com
MX2mailstore1.secureserver.net (pri: 20), smtp.secureserver.net (pri: 10)
TXT2D4059163, v=spf1 include:secureserver.net -all
SOA1ns81.domaincontrol.com dns.jomax.net

Analysis

Hierarchy

workclass.com.br is a parent domain of mail.workclass.com.br.

IP Addresses

workclass.com.br resolves to the IP addresses 185.133.35.21 and 185.133.35.22

agshop.com.br, trinoshop.com, herbora.com.br and two other host names share IP numbers with workclass.com.br.

Name Servers

DNS delegation for workclass.com.br points to two name servers: ns81.domaincontrol.com and ns82.domaincontrol.com.

workclass.com.br uses the same name servers as several other domains — among them katsche-gmbh.de, simfan.de, promotive.de and two more.

ns81.domaincontrol.com and ns82.domaincontrol.com each resolve to one IP number: ns81.domaincontrol.com points to 97.74.101.32 and ns82.domaincontrol.com points to 173.201.69.32.

Mail Servers

Mail for workclass.com.br is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.

workclass.com.br uses an identical mail server configuration to several other domains — among them themainlineantiquesshow.net, weedlv.com, subwaytypeseries.com and two more.

mailstore1.secureserver.net and smtp.secureserver.net each resolve to three IP addresses. mailstore1.secureserver.net resolves to 216.69.141.78, 216.69.141.114 and 216.69.141.162. smtp.secureserver.net resolves to 216.69.141.71, 216.69.141.84 and 216.69.141.113.