`duofynance.com.br`

DNSSEC	🔒 Signed (DS record present)
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`a.sec.dns.br` ⭐
		A	2001:12ff::11^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`a.sec.dns.br`
		A	200.160.0.11^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`a.sec.dns.br`
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`
SOA	`a.sec.dns.br`hostmaster@registro.br serial=2026215000

`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 serial=2026217040

🔒 HSTS Preload (+subdomains)
rank #496188 globally
rank #3523 in the tld
WOT: SAFE (69/100)

Same first word

duofynance.com.br

DNS History

3 records (3 active, 0 former)

●NSa.sec.dns.br2026-06-05 → 2026-08-05 · 2 obs

● 2026-06-05 12:59:44
● 2026-08-05 02:03:42

●NSb.sec.dns.br2026-06-05 → 2026-08-05 · 2 obs

● 2026-06-05 12:59:44
● 2026-08-05 02:03:42

●A76.76.21.212026-06-05 → 2026-08-05 · 2 obs

● 2026-06-05 12:59:44
● 2026-08-05 02:03:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:200.160.0.11

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 930ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`b.sec.dns.br, a.sec.dns.br`
SOA	1	`a.sec.dns.br hostmaster.registro.br`

Analysis

IP Addresses

duofynance.com.br points to a single IP number: 76.76.21.21.

Additional host names — float.capital, ycmsc.com, ritelku.com and two others — share IP numbers with duofynance.com.br.

Name Servers

DNS delegation for duofynance.com.br points to two name servers: a.sec.dns.br and b.sec.dns.br.

duofynance.com.br shares its name server setup with other domains, including gscom.com.br, lindnerengenharia.com.br, slake.com.br and two others.

There is at least partial name server overlap between duofynance.com.br and other domains — personaloffice.com.br, ideaconnect.com.br, flit.com.br and two more among them.

These name servers are routinely deployed together with the name servers c.sec.dns.br.

a.sec.dns.br directs to 200.160.0.11 and 2001:12ff::11. b.sec.dns.br directs to 200.192.232.11 and 2001:12f8:b:1::11. Each host name carries two IP addresses.

duofynance.com.br - robtex.com