`cds.inf.br`

DNSSEC	⚠️ Not signed
A	177.53.143.221^{🇧🇷 AS53243177.53.143.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
		PTR	`shared-c-q-t-duz-vinte-um.playunix.com.br`
NS	`dns3001.playunix.com.br` ⭐
		A	177.53.143.221^{🇧🇷 AS53243177.53.143.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
			PTR	`shared-c-q-t-duz-vinte-um.playunix.com.br`
NS	`dns3002.playunix.com.br`
		A	177.53.143.60^{🇧🇷 AS53243177.53.143.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
			PTR	`shared-c-q-t-sessenta.playunix.com.br`
MX	`cds.inf.br` ⭐
		A	177.53.143.221^{🇧🇷 AS53243177.53.143.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
			PTR	`shared-c-q-t-duz-vinte-um.playunix.com.br`
TXT	`v=spf1 ip4:177.53.143.221 ip4:177.11.48.0/22 ip4:177.11.52.0/22 ip4:177.53.14...`
SOA	`dns3001.playunix.com.br`root@shared-c-q-t-duz-vinte-um.playunix.com.br 2026-07-30 #2

inf.br is a second‑level domain under Brazil’s country‑code top‑level domain .br, administered by the Brazilian Network Information Center (NIC.br) through Registro.br. It is intended for entities in the information and media sector.

Key facts

Owner / operator: Registro.br (NIC.br)
TLD:.br— Brazil ccTLD
Primary purpose: information and media sector
Status: active

WOT: SAFE (42/100)

MX for

cds.inf.br

Same first word

cds.ooo

cds.digital

cds.org

cds.post

cds.im

cds.cn

cds.co.uk

cds.gr

cds.inf.br

cds.ed.cr

cds.net.nz

cds.net.cn

cds.org.cn

cds.com.py

cds.agency

cds.sg

cds.com.pl

cds.nu

cds.zone

cds.com.ua

cds.cz

cds.if.ua

cds.rs

cds.azureedge.net

cds.ws

cds.ch

cds.cat

cds.co.za

cds.jp

cds.org.pk

cds.as

cds.sc

cds.life

cds.de

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cds.kiev.ua

cds.equipment

cds.com.mx

cds.solutions

cds.bet

cds.us

cds.krakow.pl

cds.com.tr

cds.co.at

cds.my

cds.com.au

cds.org.br

cds.ca

cds.lt

cds.spb.ru

cds.bg

cds.pt

cds.ne.jp

cds.de.com

cds.pl

cds.spdns.de

cds.tv

cds.org.ir

cds.re.kr

cds.photos

cds.co.jp

cds.blue

cds.net

cds.lu

cds.com

cds.ag

cds.guru

cds.bm

cds.ac.in

cds.events

cds.com.bz

cds.edu.sv

cds.biz

cds.vn

cds.ky

cds.group

cds.asia

cds.lv

cds.link

cds.it

cds.se

cds.ba

cds.cc

cds.hu

cds.casino

cds.es

cds.education

cds.ac.th

cds.com.hk

cds.coop

cds.com.pk

cds.email

cds.pulawy.pl

cds.lk

cds.ro

cds.kg

cds.gov.co

cds.ru

cds.one

cds.no

Similar names

dcs.org.tw

sdc.lv

sdc.today

dcs.co.id

sdc.beer

dsc.vn

sdc.co

dcs.cz

dcs.pm

dsc.org

sdc.com.cn

dcs.tv

dsc.hu

csd.co.id

dsc.com

dsc.tv

sdc.sk

sdc.de

csd.in

csd.ru

csd.com.cy

dsc.ro

csd.ch

scd.sr

dsc.in

dcs.com.mx

dsc.com.tw

csd.co.at

dcs.wpmudev.host

csd.xyz

sdc.am

dsc.services

sdc.sd

sdc.lu

scd.org

dcs.com.pl

dcs.ms

sdc.gov.sg

csd.waw.pl

dsc.org.uk

dsc.org.br

scd.sk

dcs.bz

csd.ge

sdc.com.py

scd.lu

sdc.biz

scd.si

csd.go.th

dcs.is

dsc.it

dcs.irish

scd.com.ua

dcs.or.kr

dcs.com

csd.bg

csd.k12.ca.us

sdc.kz

scd.pl

csd.kr

scd.eu

scd.tips

cds.be

dcs.com.ua

sdc.it

csd.lt

scd.org.tt

csd.nu

csd.ne.jp

csd.lat

scd.cz

cds.net.uk

csd.pl

csd.as

cds.gov.vn

cds.on.ca

sdc.or.jp

dsc.ch

cds.engineering

cds.co.nz

csd.com.br

sdc.dev

sdc.uz

dcs.com.na

cds.com.br

sdc.ge

dcs.co.nz

dcs.su

scd.s3.amazonaws.com

cds.su

csd.k12.or.us

dcs.ch

dcs.gr

csd.ro

csd.expert

sdc.com.br

scd.com

sdc.pt

sdc.com.my

cds.ai

csd.cn

cds.services

dcs.edu.vn

cds.me

sdc.my

cds.edu

dcs.us

sdc.jp

dcs.im

dcs.net.au

sdc.cc

dcs.cleaning

dcs.it

csd.net.tr

csd.qc.ca

scd.in

dsc.construction

scd.cc

sdc.com.mx

csd.be

scd.design

sdc.parts

csd.co.il

dsc.eu

sdc.co.uk

csd.pt

dsc.info

dsc.be

sdc.org.tw

dcs.k12.ak.us

dcs.sg

dsc.gov.mo

sdc.world

scd.co

dsc.events

scd.com.ar

csd.gov.iq

sdc.ie

dsc.com.pl

dsc.cc

sdc.qld.edu.au

dcs.co.zm

csd.ind.br

csd.org.tr

scd.ca

dcs.k12.oh.us

sdc.com.pk

dsc.cloud

sdc.co.nz

dcs.kr

dcs.co.il

sdc.com.ua

sdc.mg.gov.br

csd.at

dsc.email

dsc.sa

dcs.co.uk

scd.edu.au

dsc.hk

DNS History

12 records (4 active, 8 former)

●NSdns3001.playunix.com.br2026-07-29 → 2026-07-30 · 3 obs

○ 2020-03-04 21:15:24
● 2026-07-29 05:41:14
● 2026-07-30 09:16:16

●NSdns3002.playunix.com.br2026-07-29 → 2026-07-30 · 3 obs

○ 2020-03-04 21:15:24
● 2026-07-29 05:41:14
● 2026-07-30 09:16:16

○NSns1.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

○NSns2.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

○NSns3.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

●MXcds.inf.br2026-07-29 → 2026-07-30 · 3 obs

○ 2020-03-04 21:15:24
● 2026-07-29 05:41:14
● 2026-07-30 09:16:16

○MXmx.a.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

○MXmx.b.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

○MXmx.core.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

○MXmx.jk.locaweb.com.br2015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

●A177.53.143.2212026-07-29 → 2026-07-30 · 3 obs

○ 2020-03-04 21:15:24
● 2026-07-29 05:41:14
● 2026-07-30 09:16:16

○A187.45.193.2262015-08-18 → 2020-03-04 · 4 obs

● 2015-08-18 00:52:28
● 2020-03-04 21:15:24
○ 2026-07-29 05:41:14
○ 2026-07-30 09:16:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, d.dns.br, e.dns.br, b.dns.br...	-
cds.inf.br	dns3001.playunix.com.br, dns3002.playunix.com.br	-

✅ Authoritative Response

Server:177.53.143.60

NS records: dns3001.playunix.com.br, dns3002.playunix.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cds.inf.br (unsigned zone)

⏱️ Timing

Total: 1171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.53.143.221`
NS	2	`dns3002.playunix.com.br, dns3001.playunix.com.br`
MX	1	`cds.inf.br (pri: 0)`
TXT	1	`v=spf1 ip4:177.53.143.221 ip4:177.11.48.`
SOA	1	`dns3001.playunix.com.br root.shared-c-q-`

Analysis

Mail Server Role

The MX record for cds.inf.br points back to cds.inf.br — it is its own mail server.

IP Addresses

cds.inf.br directs to one IP number, which is 177.53.143.221.

Among the host names that share IP numbers with cds.inf.br are ns1.aud.org.br, shared-c-q-t-duz-vinte-um.playunix.com.br, moveistessmann.com and two others.

Name Servers

Two name servers handle the delegation for cds.inf.br: dns3001.playunix.com.br and dns3002.playunix.com.br.

cds.inf.br has the same name server delegation as a number of other domains, such as marciosantos.com, actioncall.com.br, elijah.com.br and two more.

cds.inf.br has at least partial name server overlap with other domains, such as tubinho.com.br, casaderepousorecantoazul.com.br, lomafe.com.br and two others.

dns2001.playunix.com.br, dns2002.playunix.com.br and ns1.vi.eti.br — plus 7 other name servers — are commonly paired with these name servers.

dns3001.playunix.com.br directs to 177.53.143.221 and dns3002.playunix.com.br directs to 177.53.143.60; each host name points to exactly one IP number.

Mail Servers

The MX record for cds.inf.br points to a single mail server: cds.inf.br.

cds.inf.br carries a single IP number, which is 177.53.143.221.

cds.inf.br - robtex.com

`cds.inf.br`

`inf.br`

inf.br

Key facts

MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

	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.br`hostmaster@registro.br serial=2026211204