`linuxschool.com.br`

DNSSEC

⚠️ Not signed

`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 2026-10-22 #20

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

Same first word

linuxschool.net

linuxschool.com

linuxschool.ru

linuxschool.de

DNS History

7 records (0 active, 7 former)

○NSd.sec.dns.br2016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-08 09:59:12
● 2016-01-27 21:18:52
○ 2016-06-23 23:33:20
○ 2026-04-12 09:38:02

○NSdns1.ldx.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 19:50:32
○ 2015-11-08 09:59:12
○ 2026-04-12 09:38:02

○NSdns2.ldx.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 19:50:32
○ 2015-11-08 09:59:12
○ 2026-04-12 09:38:02

○NSf.sec.dns.br2016-01-27 → 2016-01-27 · 4 obs

○ 2015-11-08 09:59:12
● 2016-01-27 21:18:52
○ 2016-06-23 23:33:20
○ 2026-04-12 09:38:02

○MXmx1.linuxschool.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 19:50:32
○ 2015-11-08 09:59:12
○ 2026-04-12 09:38:02

○MXmx2.linuxschool.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 19:50:32
○ 2015-11-08 09:59:12
○ 2026-04-12 09:38:02

○A189.38.90.952009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 19:50:32
○ 2015-11-08 09:59:12
○ 2026-04-12 09:38:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, c.dns.br, e.dns.br, d.dns.br...	-

✅ Authoritative Response

Server:200.219.148.10

NS records: a.dns.br, c.dns.br, e.dns.br, d.dns.br, b.dns.br, f.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data

linuxschool.com.br - robtex.com