`profcaju.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a003^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:214e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.78^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.3^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`clark.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c157^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2157^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clark.ns.cloudflare.com`
		A	108.162.193.87^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	172.64.33.87^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
		A	173.245.59.87^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clark.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=9RKPczQQHlmYlF8cpICUVoeuKoOM-BLAMCKV9MG3RRc`
TXT	`google-site-verification=HXFcK4Bbh2YmPxA4D5d4d5yatg2u5auoi7YJIFGSMqY`
TXT	`google-site-verification=pLSXZHuB3YXyZosxUFCybp1gd8630Vdm5ozluONQcdk`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.78, 172.67.160.3
		IPv6 hints	2606:4700:3031::ac43:a003, 2606:4700:3032::6815:214e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2401101586

`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=2026116480

🔒 HSTS Preload (+subdomains)
rank #555241 globally
rank #4058 in the tld
WOT: SAFE (69/100)

Same first word

profcaju.com.br

profcaju.com

DNS History

9 records (9 active, 0 former)

●NSalla.ns.cloudflare.com2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●NSclark.ns.cloudflare.com2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●MXroute1.mx.cloudflare.net2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●MXroute2.mx.cloudflare.net2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●MXroute3.mx.cloudflare.net2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●A104.21.33.782026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●A172.67.160.32026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●A2606:4700:3031::ac43:a0032026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

●A2606:4700:3032::6815:214e2026-03-16 → 2026-04-26 · 2 obs

● 2026-03-16 14:56:26
● 2026-04-26 20:02:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, c.dns.br, d.dns.br, a.dns.br...	-
profcaju.com.br	alla.ns.cloudflare.com, clark.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.87

NS records: alla.ns.cloudflare.com, clark.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.33.78, 172.67.160.3`
AAAA	2	`2606:4700:3031::ac43:a003, 2606:4700:3032::6815:214e`
NS	2	`alla.ns.cloudflare.com, clark.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 57), route2.mx.cloudflare.net (pri: 84)...`
TXT	4	`google-site-verification=9RKPczQQHlmYlF8, google-site-verification=HXFcK4Bbh2YmPxA...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

profcaju.com.br maps to four IP numbers: 2606:4700:3031::ac43:a003, 2606:4700:3032::6815:214e, 104.21.33.78 and 172.67.160.3.

Other host names, for instance yepidefefoexcapital.click, uwec.ug, uwzw.cn, fruel.controledeinfraestrutura.services and 3m.web.tr share IP numbers with profcaju.com.br.

Name Servers

Two name servers alla.ns.cloudflare.com and clark.ns.cloudflare.com handle delegation for profcaju.com.br.

profcaju.com.br uses the same name server setup as other domains, for example profcaju.com, invacanzaneiparchi.it, 247techies.com, kufner.com.br and matematica.tv.

profcaju.com.br partially shares name servers with other domains; examples include magz.ro, modernheadline.us, trueescortskiss.com, montpellier-france.kr and inditamapro.com.

these name servers are commonly used with the name servers tim.ns.cloudflare.com.

Host names with six IP numbers: alla.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3e, 2803:f800:50::6ca2:c03e, 2a06:98c1:50::ac40:203e, 108.162.192.62, 172.64.32.62 and 173.245.58.62; clark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b57, 2803:f800:50::6ca2:c157, 2a06:98c1:50::ac40:2157, 108.162.193.87, 172.64.33.87 and 173.245.59.87.

Mail Servers

profcaju.com.br is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

profcaju.com.br shares some mail servers with other domains, at least partially, such as alexkorovyansky.com, byelegant.com, xsounds.org, toioiz.com and nacabuta.net.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

profcaju.com.br - robtex.com

profcaju.com.br

com.br

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`profcaju.com.br`

`com.br`