`sigeduca.com.br`

DNSSEC	🔒 Signed (DS record present)
A	200.241.33.226^{🇧🇷 EMBRATEL200.241.0.0/16 CLARO S.A.}
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	`smtp.sigeduca.com.br` ⭐
		A	200.241.33.233^{🇧🇷 EMBRATEL200.241.0.0/16 CLARO S.A.}
TXT	`V=SPF1 A MX`
SOA	`b.sec.dns.br`hostmaster@registro.br serial=2026080000

`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 2026-10-23 #54

rank #536177 globally
rank #3972 in the tld
WOT: SAFE (69/100)

Subdomains

smtp.sigeduca.com.br

Same first word

sigeduca.com.br

Similar names

educagis.com

gecsaudi.com

isegucad.com

gisacedu.com

caguides.com

DNS History

6 records (4 active, 2 former)

●NSb.sec.dns.br2021-06-19 → 2026-04-12 · 3 obs

○ 2016-04-23 13:26:10
● 2021-06-19 23:30:44
● 2026-04-12 14:58:40

●NSc.sec.dns.br2021-06-19 → 2026-04-12 · 3 obs

○ 2016-04-23 13:26:10
● 2021-06-19 23:30:44
● 2026-04-12 14:58:40

○NSns1.sigeduca.com.br2015-07-01 → 2016-04-23 · 4 obs

● 2015-07-01 13:52:40
● 2016-04-23 13:26:10
○ 2021-06-19 23:30:44
○ 2026-04-12 14:58:40

○NSns2.sigeduca.com.br2015-07-01 → 2016-04-23 · 4 obs

● 2015-07-01 13:52:40
● 2016-04-23 13:26:10
○ 2021-06-19 23:30:44
○ 2026-04-12 14:58:40

●MXsmtp.sigeduca.com.br2015-07-01 → 2026-04-12 · 2 obs

● 2015-07-01 13:52:40
● 2026-04-12 14:58:40

●A200.241.33.2262015-07-01 → 2026-04-12 · 2 obs

● 2015-07-01 13:52:40
● 2026-04-12 14:58:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:200.192.232.11

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 950ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.241.33.226`
NS	2	`b.sec.dns.br, c.sec.dns.br`
MX	1	`smtp.sigeduca.com.br (pri: 10)`
TXT	1	`V=SPF1 A MX`
SOA	1	`b.sec.dns.br hostmaster.registro.br`

Analysis

Hierarchy

sigeduca.com.br is the parent of smtp.sigeduca.com.br.

IP Addresses

sigeduca.com.br points to a single IP number: 200.241.33.226.

Other host names like ns1.abaco.com.br and ati226.abaco.com.br share IP numbers with sigeduca.com.br.

Name Servers

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

sigeduca.com.br shares the same name server setup as other domains, for example coedf.com.br, maiemai.com.br, controlin.com.br, sindascjoinville.com.br and systra.com.br.

sigeduca.com.br at least partially shares name servers with other domains, for instance cjchoteis.com.br, advecon.com.br, trilhaleite.com.br, lojassaara.com.br and peripan.com.br.

These name servers are commonly used with 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

sigeduca.com.br is handled by a single mail server, smtp.sigeduca.com.br.

Host name smtp.sigeduca.com.br points to IP address 200.241.33.233.

sigeduca.com.br - robtex.com

sigeduca.com.br

com.br