`institutoexata.com`

DNSSEC	⚠️ Not signed
A	186.216.55.228^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
		PTR	`ca06.wc.srv.br`
NS	`ns2.institutoexata.com` ⭐ ⚠️ Not in parent delegation
		A	186.216.55.228^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
			PTR	`ca06.wc.srv.br`
NS	`ns1.institutoexata.com` ⚠️ Not in parent delegation
		A	186.216.55.228^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
			PTR	`ca06.wc.srv.br`
NS	`ns101.wctecnologia.com.br` ⚠️ Not in zone NS records
		A	186.216.55.228^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
			PTR	`ca06.wc.srv.br`
NS	`ns102.wctecnologia.com.br` ⚠️ Not in zone NS records
		A	186.216.55.229^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
			PTR	`ns2.wctecnologia.host`
MX	`mail.institutoexata.com` ⭐
		A	186.216.55.228^{🇧🇷 EVEO186.216.55.0/24 Prefixo em "Customer Cone" da Link Brasil (AS271253).}
			PTR	`ca06.wc.srv.br`
TXT	`v=spf1 +a +mx +a:ca05.wc.srv.br -all`
SOA	`ns2.institutoexata.com`EXATAINSTITUTO@GMAIL.COM 2026-04-04 #7

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777018271

Subdomains

concursos.institutoexata.com

Same first word

institutoexata.com

DNS History

11 records (6 active, 5 former)

●NSns1.institutoexata.com2026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

●NSns101.wctecnologia.com.br2026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

●NSns102.wctecnologia.com.br2026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

●NSns2.institutoexata.com2026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

○NSns61.domaincontrol.com2016-12-20 → 2017-12-17 · 4 obs

● 2016-12-20 20:50:50
● 2017-12-17 17:20:30
○ 2026-03-20 04:13:56
○ 2026-04-24 08:16:10

○NSns62.domaincontrol.com2016-12-20 → 2017-12-17 · 4 obs

● 2016-12-20 20:50:50
● 2017-12-17 17:20:30
○ 2026-03-20 04:13:56
○ 2026-04-24 08:16:10

●MXmail.institutoexata.com2026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

○MXmailstore1.secureserver.net2016-12-20 → 2017-12-17 · 4 obs

● 2016-12-20 20:50:50
● 2017-12-17 17:20:30
○ 2026-03-20 04:13:56
○ 2026-04-24 08:16:10

○MXsmtp.secureserver.net2016-12-20 → 2017-12-17 · 4 obs

● 2016-12-20 20:50:50
● 2017-12-17 17:20:30
○ 2026-03-20 04:13:56
○ 2026-04-24 08:16:10

○A184.168.221.522016-12-20 → 2017-12-17 · 4 obs

● 2016-12-20 20:50:50
● 2017-12-17 17:20:30
○ 2026-03-20 04:13:56
○ 2026-04-24 08:16:10

●A186.216.55.2282026-03-20 → 2026-04-24 · 3 obs

○ 2017-12-17 17:20:30
● 2026-03-20 04:13:56
● 2026-04-24 08:16:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
institutoexata.com	ns101.wctecnologia.com.br, ns102.wctecnologia.com.br	-

✅ Authoritative Response

Server:186.216.55.228

NS records: ns101.wctecnologia.com.br, ns102.wctecnologia.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutoexata.com (unsigned zone)

⏱️ Timing

Total: 627ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.216.55.228`
NS	2	`ns2.institutoexata.com, ns1.institutoexata.com`
MX	1	`mail.institutoexata.com (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:ca05.wc.srv.br -all`
SOA	1	`ns2.institutoexata.com EXATAINSTITUTO.GM`

Analysis

Hierarchy

institutoexata.com is the parent of concursos.institutoexata.com.

IP Addresses

institutoexata.com resolves to one IP number: 186.216.55.228.

other host names including coyote.ind.br, ns1.idcad.com.br, ns1.i-gestor.com, ns1.wctecnologia.com.br and ns3.wctecnologia.host share IP numbers with institutoexata.com.

Name Servers

institutoexata.com is delegated to four name servers: ns1.institutoexata.com, ns2.institutoexata.com, ns101.wctecnologia.com.br and ns102.wctecnologia.com.br.

Host names with one IP number

ns1.institutoexata.com points to: 186.216.55.228.

ns2.institutoexata.com points to: 186.216.55.228.

ns101.wctecnologia.com.br points to: 186.216.55.228.

ns102.wctecnologia.com.br points to: 186.216.55.229.

Host names that point to 186.216.55.228: ns1.institutoexata.com, ns2.institutoexata.com and ns101.wctecnologia.com.br.

Mail Servers

institutoexata.com is handled by a single mail server, mail.institutoexata.com.

mail.institutoexata.com resolves to IP 186.216.55.228.

institutoexata.com - robtex.com