`construtoragr.com.br`

DNSSEC	🔒 Signed (DS record present)
NS	`b.sec.dns.br` ⭐
		A	2001:12f8:b:1::11^{🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)}
			PTR	`b.sec.dns.br`
		A	200.192.232.11^{🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)}
			PTR	`b.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`
MX	`construtoragr-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c94a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp3p284cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c94c::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
		A	52.101.198.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	52.101.198.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	52.101.198.38^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp3p284cu00706.inbound.protection.outlook.com`
		A	52.101.200.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
TXT	`MS=ms79600181`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`b.sec.dns.br`hostmaster@registro.br 2026-11-20 #0

`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=2026115510

rank #557247 globally
rank #4092 in the tld
WOT: SAFE (69/100)

DNS History

20 records (3 active, 17 former)

●NSb.sec.dns.br2026-04-25 → 2026-04-25 · 2 obs

○ 2017-05-17 15:45:26
● 2026-04-25 21:46:24

●NSc.sec.dns.br2026-04-25 → 2026-04-25 · 2 obs

○ 2017-05-17 15:45:26
● 2026-04-25 21:46:24

○NSns1.construtoragr.com.br2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○NSns1.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○NSns2.construtoragr.com.br2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○NSns2.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○NSns3.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXalt1.aspmx.l.google.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXalt2.aspmx.l.google.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXaspmx.l.google.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXaspmx2.googlemail.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXaspmx3.googlemail.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXaspmx4.googlemail.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXaspmx5.googlemail.com2015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

●MXconstrutoragr-com-br.mail.protection.outlook.com2026-04-25 → 2026-04-25 · 2 obs

○ 2017-05-17 15:45:26
● 2026-04-25 21:46:24

○MXmx.a.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXmx.b.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○MXmx.jk.locaweb.com.br2017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○A187.45.210.1002015-06-30 → 2016-11-26 · 4 obs

● 2015-06-30 22:44:12
● 2016-11-26 01:06:18
○ 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

○A191.252.51.222017-05-17 → 2017-05-17 · 3 obs

○ 2016-11-26 01:06:18
● 2017-05-17 15:45:26
○ 2026-04-25 21:46:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
construtoragr.com.br	b.sec.dns.br, c.sec.dns.br	-

✅ Authoritative Response

Server:200.192.232.11

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 998ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`c.sec.dns.br, b.sec.dns.br`
MX	1	`construtoragr-com-br.mail.protection.out`
TXT	2	`MS=ms79600181, v=spf1 include:spf.protection.outlook.co`
SOA	1	`b.sec.dns.br hostmaster.registro.br`

Analysis

Name Servers

construtoragr.com.br is delegated to two name servers: b.sec.dns.br and c.sec.dns.br.

construtoragr.com.br uses the same name server setup as other domains, including elomart.com.br, phac.com.br, demolayes.org.br, lojacaleoatacado.com.br and masternetmg.com.br.

At least part of the name servers for construtoragr.com.br are shared with other domains, for instance bueninvest.com.br, brasilsustentaveleditora.com.br, efvm.com.br, florafitos.com.br and guardiannet.com.br.

These name servers are commonly used alongside the name servers a.sec.dns.br.

Host names with two IP numbers:

b.sec.dns.br points to 2001:12f8:b:1::11 and 200.192.232.11.

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

Mail Servers

The mail server for construtoragr.com.br is construtoragr-com-br.mail.protection.outlook.com.

construtoragr-com-br.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c94a::, 2a01:111:f403:c94a::1, 2a01:111:f403:c94a::2, 2a01:111:f403:c94c::, 52.101.198.0, 52.101.198.1, 52.101.198.38 and 52.101.200.0.

construtoragr.com.br - robtex.com