`institutoolhar.com.br`

DNSSEC	⚠️ Not signed
A	179.190.9.17^{🇧🇷 UNSPECIFIED179.190.0.0/20 ASCENTY DATA CENTERS LOCAÇÃO E SERVIÇOS SA}
		PTR	`retina.isbrasil.info`
NS	`ns1.pr4.com.br` ⭐
		A	179.190.9.17^{🇧🇷 UNSPECIFIED179.190.0.0/20 ASCENTY DATA CENTERS LOCAÇÃO E SERVIÇOS SA}
			PTR	`retina.isbrasil.info`
NS	`ns2.pr4.com.br`
		A	179.190.9.17^{🇧🇷 UNSPECIFIED179.190.0.0/20 ASCENTY DATA CENTERS LOCAÇÃO E SERVIÇOS SA}
			PTR	`retina.isbrasil.info`
MX	`institutoolhar-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	`v=spf1 ip4:179.190.9.17 +a +mx +ip4:51.222.10.148 include:spf.protection.outl...`
TXT	`google-site-verification=0cAje57YpbgqxFOOJTiWttiAB70eCheMm7UAPjmK4Q0`
SOA	`ns1.pr4.com.br`gerenciamento@isbrasil.info 2026-04-06 #1

`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=2026104558

rank #549016 globally
rank #4052 in the tld
WOT: SAFE (69/100)

Same first word

institutoolhar.org

institutoolhar.com.br

DNS History

15 records (4 active, 11 former)

○NSns1.locaweb.com.br2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

●NSns1.pr4.com.br2026-03-06 → 2026-04-14 · 3 obs

○ 2017-01-31 12:12:24
● 2026-03-06 19:27:52
● 2026-04-14 23:21:48

○NSns2.locaweb.com.br2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

●NSns2.pr4.com.br2026-03-06 → 2026-04-14 · 3 obs

○ 2017-01-31 12:12:24
● 2026-03-06 19:27:52
● 2026-04-14 23:21:48

○NSns3.locaweb.com.br2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXalt1.aspmx.l.google.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXalt2.aspmx.l.google.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXaspmx.l.google.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXaspmx2.googlemail.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXaspmx3.googlemail.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXaspmx4.googlemail.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

○MXaspmx5.googlemail.com2015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

●MXinstitutoolhar-com-br.mail.protection.outlook.com2026-03-06 → 2026-04-14 · 3 obs

○ 2017-01-31 12:12:24
● 2026-03-06 19:27:52
● 2026-04-14 23:21:48

●A179.190.9.172026-03-06 → 2026-04-14 · 3 obs

○ 2017-01-31 12:12:24
● 2026-03-06 19:27:52
● 2026-04-14 23:21:48

○A186.202.153.1002015-07-24 → 2017-01-31 · 4 obs

● 2015-07-24 10:44:04
● 2017-01-31 12:12:24
○ 2026-03-06 19:27:52
○ 2026-04-14 23:21:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
institutoolhar.com.br	ns1.pr4.com.br, ns2.pr4.com.br	-

✅ Authoritative Response

Server:179.190.9.17

NS records: ns1.pr4.com.br, ns2.pr4.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutoolhar.com.br (unsigned zone)

⏱️ Timing

Total: 1008ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`179.190.9.17`
NS	2	`ns2.pr4.com.br, ns1.pr4.com.br`
MX	1	`institutoolhar-com-br.mail.protection.ou`
TXT	2	`v=spf1 ip4:179.190.9.17 +a +mx +ip4:51.2, google-site-verification=0cAje57YpbgqxFO`
SOA	1	`ns1.pr4.com.br gerenciamento.isbrasil.in`

Analysis

IP Addresses

institutoolhar.com.br resolves to a single IP address: 179.190.9.17.

Other host names including vkrmoveis.com.br, planetcolorvisual.com.br, sabbia.com.br, pr4.com.br and camuniformes.com.br share IP numbers with institutoolhar.com.br.

Name Servers

institutoolhar.com.br's delegation uses two name servers, ns1.pr4.com.br and ns2.pr4.com.br.

institutoolhar.com.br shares the same name server setup as other domains, for example ambientesdecore.com.br, castelinho.net.br, adrianadecor.com.br, jcsegurancas.com.br and dalc.com.br.

Host names with a single IP:

- ns1.pr4.com.br points to 179.190.9.17

- ns2.pr4.com.br points to 179.190.9.17

Host names that point to 179.190.9.17: ns1.pr4.com.br and ns2.pr4.com.br

Mail Servers

institutoolhar.com.br is handled by a single mail server, institutoolhar-com-br.mail.protection.outlook.com.

Hostname institutoolhar-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.

institutoolhar.com.br - robtex.com