cfr.org.br - robtex.com

cfr.org.br

DNSSEC⚠️ Not signed
A186.202.153.101🇧🇷 Locaweb186.202.152.0/22 Servicos de Internet SA
PTRhm7967.locaweb.com.br
NSns1.locaweb.com.br ⭐
A2804:218:7000:0:186:202:8:254🇧🇷 Locaweb2804:218:7000::/48
A186.202.8.254🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA
NSns2.locaweb.com.br
A2804:218:7001:0:187:45:248:254🇧🇷 Locaweb2804:218:7001::/48
A187.45.248.254🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA
NSns3.locaweb.com.br
A2804:218:7002:0:189:126:101:254🇧🇷 Locaweb2804:218:7002::/48
A189.126.101.254🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA
MXmx.core.locaweb.com.br ⭐
A177.153.23.241🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.core.locaweb.com.br
MXmx.a.locaweb.com.br(20)
A186.202.4.42🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA
PTRmx.a.locaweb.com.br
MXmx.b.locaweb.com.br(20)
A177.153.23.242🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.b.locaweb.com.br
MXmx.jk.locaweb.com.br(20)
A200.234.204.130🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA
PTRmx.jk.locaweb.com.br
TXTv=spf1 include:_spf.locaweb.com.br ?all
SOAns1.locaweb.com.brhostmaster@locaweb.com.br 2022-03-10 #1

org.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=2026116320
WOT: SAFE (99/100)

Same first word

cfr.gov.au
cfr.us
cfr.se
cfr.net.br
cfr.info
cfr.fr
cfr.com.mx
cfr.net
cfr.im
cfr.ac.tz
cfr.nl
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cfr.org.br
cfr.cn
cfr.cz
cfr.at
cfr.org
cfr.ae
cfr.com
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cfr.co.kr
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cfr.org.au
cfr.no
cfr.de
cfr.ma
cfr.eu
cfr.com.br
cfr.sakura.ne.jp
cfr.pl
cfr.ca
cfr.toscana.it

Similar names

crf.email
crf.in
frc.sa.gov.au
frc.com.tr
crf.info
crf.us
fcr.services
rcf.com.ar
rfc.com.ph
frc.sh
crf.net.cn
rcf.fr
crf.co.za
rfc.co
rcf.pt
rcf.cc
crf.org.cn
rcf.it
frc.show
rfc.com.tn
rfc.fi
frc.fit
crf.jp
crf.systems
frc.org.uk
rfc.org
rfc.com
fcr.lt
frc.info
frc.team
fcr.com.br
frc.cl
crf.mb.ca
rfc.jp
rfc.ca
crf.me
crf.org.au
fcr.pl
fcr.com.tw
rfc.de
rfc.eu
rfc.se
fcr.re.it
rcf.com.br
rcf.be
rfc.co.za
crf.org
crf.it
rfc.mx
rfc.com.tr
fcr.ca
frc.gov.au
crf.rs
rfc.tv
crf.com.br
rfc.fr
frc.cc
crf.co.ke
frc.org
rcf.at
crf.edu.pl
rfc.ph
fcr.com.co
crf.cn
frc.pt
frc.com.ua
frc.gov
rcf.fi
fcr.io
rfc.bh
rfc.net
rcf.vn
frc.us.com
rcf.jp
frc.org.nz
crf.se
frc.ru
rfc.in
fcr.cz
frc.kz
rfc.jo

DNS History

11 records (8 active, 3 former)

20162017201820192020202120222023202420252026NSns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brMXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brA186.202.153.101186.202.151.137186.202.87.124187.45.241.53
●NSns1.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●NSns2.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●NSns3.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●MXmx.a.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●MXmx.b.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●MXmx.core.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
●MXmx.jk.locaweb.com.br2015-06-10 → 2026-04-26 · 2 obs
● 2015-06-10 06:38:46
● 2026-04-26 13:37:30
○A186.202.151.1372016-07-10 → 2016-12-16 · 5 obs
○ 2016-05-22 06:34:18
● 2016-07-10 04:40:54
● 2016-12-16 21:31:04
○ 2026-04-24 16:45:02
○ 2026-04-26 13:37:30
●A186.202.153.1012026-04-24 → 2026-04-26 · 3 obs
○ 2016-12-16 21:31:04
● 2026-04-24 16:45:02
● 2026-04-26 13:37:30
○A186.202.87.1242015-09-22 → 2016-05-22 · 5 obs
○ 2015-06-10 06:38:46
● 2015-09-22 19:40:56
● 2016-05-22 06:34:18
○ 2016-07-10 04:40:54
○ 2026-04-26 13:37:30
○A187.45.241.532015-06-10 → 2015-06-10 · 3 obs
● 2015-06-10 06:38:46
○ 2015-09-22 19:40:56
○ 2026-04-26 13:37:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
cfr.org.brns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br-

✅ Authoritative Response

Server:186.202.8.254

NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfr.org.br (unsigned zone)

⏱️ Timing

Total: 1177ms | Queries: -

📄 Records

TypeCountSample Data
A1186.202.153.101
NS3ns1.locaweb.com.br, ns2.locaweb.com.br...
MX4mx.jk.locaweb.com.br (pri: 20), mx.b.locaweb.com.br (pri: 20)...
TXT1v=spf1 include:_spf.locaweb.com.br ?all
SOA1ns1.locaweb.com.br hostmaster.locaweb.co

Analysis

IP Addresses

cfr.org.br resolves to a single IP address: 186.202.153.101.

Other host names including rezende.com.br, esclider.com.br, opus.inc, d2dmotors.com.br and vidrocor.com.br share IP numbers with cfr.org.br.

Name Servers

cfr.org.br is delegated to three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

cfr.org.br at least partially shares name servers with other domains, including pavaotintas.com.br, duoambar.com, vixoffice.com, lfc.adv.br and foneplan.net.

Host names with two IP numbers:

ns1.locaweb.com.br points to: 2804:218:7000:0:186:202:8:254 and 186.202.8.254

ns2.locaweb.com.br points to: 2804:218:7001:0:187:45:248:254 and 187.45.248.254

ns3.locaweb.com.br points to: 2804:218:7002:0:189:126:101:254 and 189.126.101.254

Mail Servers

cfr.org.br is served by four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

The mail servers for cfr.org.br are shared with other domains, for instance coococriacoes.com.br, newcontract.contractweb.com.br, liverpoolabc.com.br, webmioma.com.br and adaltech.com.br.

Hostnames with a single IP:

mx.a.locaweb.com.br points to 186.202.4.42

mx.b.locaweb.com.br points to 177.153.23.242

mx.core.locaweb.com.br points to 177.153.23.241

mx.jk.locaweb.com.br points to 200.234.204.130