`mx.bocagrande.com.br`

	DNSSEC	⚠️ Not signed
	A	189.42.21.67^{🇧🇷 EMBRATEL189.42.0.0/16 CLARO S.A.}

`bocagrande.com.br`

	DNSSEC	⚠️ Not signed
	A	54.85.129.206^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
	NS	`ns1.locaweb.com.br` ⭐
	NS	`ns2.locaweb.com.br`
	NS	`ns3.locaweb.com.br`
	MX	`mx1.bocagrande.com.br` ⭐
	MX	`mx2.bocagrande.com.br`⁽¹⁰⁾
	TXT	`v=spf1 ip4:186.235.59.131/32 ip4:189.42.21.67 include:emsd1.com include:_spf....`
	SOA	`ns1.locaweb.com.br`postmaster@locaweb.com.br 2026-03-02 #1

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DNS History

2 records (1 active, 1 former)

○A177.200.221.1302015-01-16 → 2021-06-12 · 4 obs

● 2015-01-16 09:40:26
● 2021-06-12 16:29:00
○ 2026-02-16 08:44:56
○ 2026-05-11 18:29:34

●A189.42.21.672026-02-16 → 2026-05-11 · 3 obs

○ 2021-06-12 16:29:00
● 2026-02-16 08:44:56
● 2026-05-11 18:29:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
bocagrande.com.br	ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br	6 records

✅ Authoritative Response

Server:186.202.8.254

NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bocagrande.com.br (unsigned zone)

⏱️ Timing

Total: 668ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`189.42.21.67`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br...)

Analysis

IP Addresses

mx.bocagrande.com.br resolves to one IP number: 189.42.21.67.

Other host names such as mx1.glinny.com.br and mx1.bocagrande.com.br share IP numbers with mx.bocagrande.com.br.

mx.bocagrande.com.br - robtex.com