chu.inf.br - robtex.com

chu.inf.br

DNSSEC🔒 Signed (DS record present)
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
SOAe.sec.dns.brhostmaster@registro.br 2026-10-10 #0

inf.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 2026-10-22 #50
rank #5918 globally
rank #40 in the tld
PASSWOT: SAFE (42/100)

Previously MX for

chu.inf.br

Same first word

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chu.ru
chu.li
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Similar names

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hcu.be
huc.photography
uhc.org
hcu.ac.th
uch.net
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uch.me
huc.be
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uhc.be
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uch.de
uhc.kiev.ua
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huc.de
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hcu.cloud
huc.us
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cuh.pl
uch.org.ua
uch.es
uhc.ch
uhc.healthcare
huc.edu.vn
uhc.ca
cuh.ie
uhc.co
cuh.ch

DNS History

7 records (2 active, 5 former)

20162017201820192020202120222023202420252026NSe.sec.dns.brf.sec.dns.brd.sec.dns.brdns16.intelhost.com.brdns17.intelhost.com.brMXchu.inf.brA177.11.53.16
○NSd.sec.dns.br2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-29 20:20:12
● 2017-04-03 16:55:12
○ 2020-04-04 06:50:10
○ 2026-04-12 10:28:48
○NSdns16.intelhost.com.br2015-06-25 → 2016-04-29 · 4 obs
● 2015-06-25 17:59:34
● 2016-04-29 20:20:12
○ 2017-04-03 16:55:12
○ 2026-04-12 10:28:48
○NSdns17.intelhost.com.br2015-06-25 → 2016-04-29 · 4 obs
● 2015-06-25 17:59:34
● 2016-04-29 20:20:12
○ 2017-04-03 16:55:12
○ 2026-04-12 10:28:48
●NSe.sec.dns.br2017-04-03 → 2026-04-12 · 3 obs
○ 2016-04-29 20:20:12
● 2017-04-03 16:55:12
● 2026-04-12 10:28:48
●NSf.sec.dns.br2020-04-04 → 2026-04-12 · 3 obs
○ 2017-04-03 16:55:12
● 2020-04-04 06:50:10
● 2026-04-12 10:28:48
○MXchu.inf.br2015-06-25 → 2016-04-29 · 4 obs
● 2015-06-25 17:59:34
● 2016-04-29 20:20:12
○ 2017-04-03 16:55:12
○ 2026-04-12 10:28:48
○A177.11.53.162015-06-25 → 2016-04-29 · 4 obs
● 2015-06-25 17:59:34
● 2016-04-29 20:20:12
○ 2017-04-03 16:55:12
○ 2026-04-12 10:28:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
chu.inf.bre.sec.dns.br, f.sec.dns.br-

✅ Authoritative Response

Server:200.192.232.14

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: 855ms | Queries: -

📄 Records

TypeCountSample Data
NS2e.sec.dns.br, f.sec.dns.br
SOA1e.sec.dns.br hostmaster.registro.br

Analysis

Name Servers

Two name servers e.sec.dns.br and f.sec.dns.br handle delegation for chu.inf.br.

chu.inf.br uses the same name server setup as other domains, for example matinalgames.com.br, thinkmob.com.br, tntfarma.com.br, gabrielcoelho.com.br and escolaha.com.br.

chu.inf.br partially shares name servers with other domains; examples include conceitonet.com.br, labucal.com.br, ludiks.com.br, fundobis.org.br and sigasat.com.br.

these name servers are commonly used with the name servers d.sec.dns.br.

Host names with two IP numbers:

e.sec.dns.br points to: 2001:12f8:b:1::14 and 200.192.232.14

f.sec.dns.br points to: 2001:12f8:9:1::14 and 200.189.40.14