csu.com.br - robtex.com

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`com.br`

	DNSSEC	🔒 Signed (DS record present)
	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=2026048032

📈 Tranco rank: #639,231
rank #548098 globally
rank #4213 in the tld

Up

mail4.csu.com.br

mail3.csu.com.br

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DNS History

12 records (0 active, 12 former)

○NSip-0aa990fa.csuamz.corp.br2015-08-28 → 2017-01-28 · 14 obs

● 2015-08-28 20:04:26
● 2015-10-19 10:47:54
○ 2015-10-25 08:08:10
● 2015-10-31 02:00:46
● 2016-06-18 17:30:20
○ 2016-07-01 11:29:10
● 2016-09-20 01:58:56
● 2016-09-30 21:08:04
○ 2016-12-12 00:31:34
○ 2016-12-15 16:25:54
● 2017-01-12 14:35:18
● 2017-01-28 06:07:22
○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○NSip-0aa991fa.csuamz.corp.br2015-08-28 → 2017-01-28 · 15 obs

● 2015-08-28 20:04:26
○ 2015-09-09 19:14:14
○ 2015-10-19 10:47:54
● 2015-10-25 08:08:10
○ 2015-10-31 02:00:46
○ 2016-06-18 17:30:20
● 2016-07-01 11:29:10
○ 2016-09-20 01:58:56
○ 2016-09-30 21:08:04
● 2016-12-12 00:31:34
● 2016-12-15 16:25:54
○ 2017-01-12 14:35:18
● 2017-01-28 06:07:22
○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○NSns1.aziondns.net2026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○NSns2.aziondns.com2026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○NSns3.aziondns.org2026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○MXcsu-com-br.mail.protection.outlook.com2026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○MXmail1.csu.com.br2015-08-28 → 2017-01-28 · 4 obs

● 2015-08-28 20:04:26
● 2017-01-28 06:07:22
○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○MXmail2.csu.com.br2015-08-28 → 2017-01-28 · 4 obs

● 2015-08-28 20:04:26
● 2017-01-28 06:07:22
○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○A179.191.185.642026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○A179.191.185.652026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○A179.191.186.652026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

○A18.214.95.2022026-02-17 → 2026-02-17 · 2 obs

○ 2026-02-17 21:38:18
○ 2026-02-17 21:38:22

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server: 200.219.154.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 4468ms | Queries: -

📄 Records

Type	Count	Sample Data