`centrooptico.com.br`

DNSSEC	🔒 Signed (DS record present)
A	177.67.116.132^{🇧🇷 TRAY177.67.116.0/22 Locaweb Servicos de Internet SA}
		PTR	`177-67-116-132.tray.net.br`
NS	`a.sec.dns.br` ⭐
		A	2001:12ff::11^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`a.sec.dns.br`
		A	200.160.0.11^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`a.sec.dns.br`
NS	`c.sec.dns.br`
		A	2001:12f8:9:1::11^{🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)}
			PTR	`c.sec.dns.br`
		A	200.189.40.11^{🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)}
			PTR	`c.sec.dns.br`
SOA	`a.sec.dns.br`hostmaster@registro.br serial=2026078000

`com.br`

	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=2026086558

rank #550596 globally
rank #4104 in the tld
WOT: SAFE (69/100)

Same first word

centrooptico.com.br

DNS History

15 records (3 active, 12 former)

●NSa.sec.dns.br2017-12-10 → 2026-03-27 · 3 obs

○ 2017-01-13 01:37:38
● 2017-12-10 05:05:06
● 2026-03-27 23:31:24

●NSc.sec.dns.br2017-12-10 → 2026-03-27 · 3 obs

○ 2017-01-13 01:37:38
● 2017-12-10 05:05:06
● 2026-03-27 23:31:24

○NSns1.linode.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○NSns2.linode.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○NSns3.linode.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○NSns4.linode.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○NSns5.linode.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○MXalt1.aspmx.l.google.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○MXalt2.aspmx.l.google.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○MXaspmx.l.google.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○MXaspmx2.googlemail.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

○MXaspmx3.googlemail.com2015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

●A177.67.116.1322026-02-22 → 2026-03-27 · 3 obs

○ 2017-12-10 05:05:06
● 2026-02-22 07:34:02
● 2026-03-27 23:31:24

○A177.67.116.2202017-12-10 → 2017-12-10 · 4 obs

○ 2017-01-13 01:37:38
● 2017-12-10 05:05:06
○ 2026-02-22 07:34:02
○ 2026-03-27 23:31:24

○A50.116.21.1972015-05-24 → 2017-01-13 · 4 obs

● 2015-05-24 14:35:44
● 2017-01-13 01:37:38
○ 2017-12-10 05:05:06
○ 2026-03-27 23:31:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, f.dns.br, c.dns.br, d.dns.br...	-
centrooptico.com.br	c.sec.dns.br, a.sec.dns.br	-

✅ Authoritative Response

Server:200.160.0.11

NS records: c.sec.dns.br, a.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1049ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.67.116.132`
NS	2	`a.sec.dns.br, c.sec.dns.br`
SOA	1	`a.sec.dns.br hostmaster.registro.br`

Analysis

IP Addresses

centrooptico.com.br resolves to one IP number: 177.67.116.132.

Other host names, for example lentesdecontato.com.br, share IP numbers with centrooptico.com.br.

Name Servers

centrooptico.com.br's delegation uses two name servers: a.sec.dns.br and c.sec.dns.br.

centrooptico.com.br uses the same name server setup as other domains, such as rajamine.com.br, jmafibra.com.br, anova.net.br, aprog.com.br and mustangclubebrasil.com.br.

centrooptico.com.br at least partially shares name servers with other domains, including inowat.com.br, iwebb.com.br, mentamit.com.br, dawave.com.br and fortesauditoria.com.br.

These name servers are commonly used with b.sec.dns.br.

Host names with two IPs:

a.sec.dns.br points to 2001:12ff::11 and 200.160.0.11

c.sec.dns.br points to 2001:12f8:9:1::11 and 200.189.40.11

centrooptico.com.br - robtex.com