`worldclass.com.br`

DNSSEC	🔒 Signed (DS record present)
NS	`a.auto.dns.br` ⭐
		A	2001:12ff:0:2::88^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`a.auto.dns.br`
		A	200.160.2.88^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`a.auto.dns.br`
NS	`b.auto.dns.br`
		A	2001:12ff:0:2::89^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`b.auto.dns.br`
		A	200.160.2.89^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`b.auto.dns.br`
TXT	`v=spf1 -all`
SOA	`a.auto.dns.br`hostmaster@registro.br 2026-12-07 #70

`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 2026-12-04 #56

rank #534651 globally
rank #4029 in the tld
WOT: SAFE (69/100)

Previously MX for

worldclass.com.br

Same first word

Similar names

classworld.net

classworld.com

classworld.org

DNS History

9 records (2 active, 7 former)

●NSa.auto.dns.br2026-04-10 → 2026-04-30 · 3 obs

○ 2017-04-02 08:44:58
● 2026-04-10 10:41:10
● 2026-04-30 19:17:46

●NSb.auto.dns.br2026-04-10 → 2026-04-30 · 3 obs

○ 2017-04-02 08:44:58
● 2026-04-10 10:41:10
● 2026-04-30 19:17:46

○NSns1.innserver13.net2015-11-09 → 2017-04-02 · 5 obs

○ 2015-06-06 19:25:10
● 2015-11-09 13:30:34
● 2017-04-02 08:44:58
○ 2026-04-10 10:41:10
○ 2026-04-30 19:17:46

○NSns1.lessabonato.com.br2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:25:10
○ 2015-11-09 13:30:34
○ 2026-04-30 19:17:46

○NSns2.innserver13.net2015-11-09 → 2017-04-02 · 5 obs

○ 2015-06-06 19:25:10
● 2015-11-09 13:30:34
● 2017-04-02 08:44:58
○ 2026-04-10 10:41:10
○ 2026-04-30 19:17:46

○NSns2.lessabonato.com.br2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:25:10
○ 2015-11-09 13:30:34
○ 2026-04-30 19:17:46

○MXworldclass.com.br2015-06-06 → 2017-04-02 · 4 obs

● 2015-06-06 19:25:10
● 2017-04-02 08:44:58
○ 2026-04-10 10:41:10
○ 2026-04-30 19:17:46

○A108.163.182.1062015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:25:10
○ 2015-11-09 13:30:34
○ 2026-04-30 19:17:46

○A209.133.201.1302015-11-09 → 2017-04-02 · 5 obs

○ 2015-06-06 19:25:10
● 2015-11-09 13:30:34
● 2017-04-02 08:44:58
○ 2026-04-10 10:41:10
○ 2026-04-30 19:17:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	e.dns.br, a.dns.br, c.dns.br, b.dns.br...	-
worldclass.com.br	a.auto.dns.br, b.auto.dns.br	-

✅ Authoritative Response

Server:200.160.2.89

NS records: a.auto.dns.br, b.auto.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1225ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.auto.dns.br, b.auto.dns.br`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`a.auto.dns.br hostmaster.registro.br`

Analysis

Name Servers

worldclass.com.br is delegated to two name servers: a.auto.dns.br and b.auto.dns.br.

worldclass.com.br uses the same name server setup as other domains, including conquistaveiculos.com.br, biomulher.com.br, entrenessaonda.com.br, drantunes.com.br and belka.com.br.

Host names with two IP numbers:

a.auto.dns.br points to 2001:12ff:0:2::88 and 200.160.2.88.

b.auto.dns.br points to 2001:12ff:0:2::89 and 200.160.2.89.

worldclass.com.br - robtex.com