`cursoradical.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:adbb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:4008^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.8^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.187^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kim.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
MX	`tmx.antispam.redehost.com.br` ⭐
		A	187.84.224.85^{🇧🇷 UNSPECIFIED187.84.224.0/24}
			PTR	`rhcntsc10.redehost.com.br`
			PTR	`dmx.antispam.redehost.com.br`
			PTR	`fmx.antispam.redehost.com.br`
			PTR	`lmx.antispam.redehost.com.br`
			PTR	`mx.antispam.redehost.com.br`
			PTR	`tmx.antispam.redehost.com.br`
		A	187.84.224.88^{🇧🇷 UNSPECIFIED187.84.224.0/24}
			PTR	`aspamout10.redehost.com.br`
			PTR	`rhcntout10.redehost.com.br`
MX	`dmx.antispam.redehost.com.br`⁽¹⁰⁾
		A	187.84.224.85^{🇧🇷 UNSPECIFIED187.84.224.0/24}
			PTR	`rhcntsc10.redehost.com.br`
			PTR	`dmx.antispam.redehost.com.br`
			PTR	`fmx.antispam.redehost.com.br`
			PTR	`lmx.antispam.redehost.com.br`
			PTR	`mx.antispam.redehost.com.br`
			PTR	`tmx.antispam.redehost.com.br`
		A	187.84.224.88^{🇧🇷 UNSPECIFIED187.84.224.0/24}
			PTR	`aspamout10.redehost.com.br`
			PTR	`rhcntout10.redehost.com.br`
TXT	`google-site-verification=vEDPTqsRFsXRh1uATdXCog9qwAi7ECip1qYKbgw_6ps`
TXT	`v=spf1 include:spf.redehost.com.br ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.8, 172.67.173.187
		IPv6 hints	2606:4700:3031::ac43:adbb, 2606:4700:3032::6815:4008
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=208, name=cloudflare-ech.com
SOA	`kim.ns.cloudflare.com`dns@cloudflare.com serial=2410303941

`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=2026205478

rank #505210 globally
rank #3676 in the tld
WOT: SAFE (69/100)

Same first word

cursoradical.com.br

Similar names

ricardolucas.com

DNS History

22 records (8 active, 14 former)

●NSkim.ns.cloudflare.com2026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

○NSns1.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

○NSns1.redehost.com.br2015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○NSns2.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

○NSns2.redehost.com.br2015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○NSns3.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

●NSscott.ns.cloudflare.com2026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

●MXdmx.antispam.redehost.com.br2026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

○MXfmx.antispam.redehost.com.br2015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○MXlmx.antispam.redehost.com.br2015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○MXmx.a.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

○MXmx.antispam.redehost.com.br2015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○MXmx.b.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

○MXmx.core.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

○MXmx.jk.locaweb.com.br2015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

●MXtmx.antispam.redehost.com.br2026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

●A104.21.64.82026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

●A172.67.173.1872026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

○A177.55.108.1302015-10-22 → 2017-02-10 · 5 obs

○ 2015-06-01 21:24:20
● 2015-10-22 19:16:48
● 2017-02-10 01:49:34
○ 2026-07-22 15:41:56
○ 2026-07-24 20:01:42

○A186.202.153.72015-06-01 → 2015-06-01 · 3 obs

● 2015-06-01 21:24:20
○ 2015-10-22 19:16:48
○ 2026-07-24 20:01:42

●A2606:4700:3031::ac43:adbb2026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

●A2606:4700:3032::6815:40082026-07-22 → 2026-07-24 · 3 obs

○ 2017-02-10 01:49:34
● 2026-07-22 15:41:56
● 2026-07-24 20:01:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, f.dns.br, a.dns.br, e.dns.br...	-
cursoradical.com.br	kim.ns.cloudflare.com, scott.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.230

NS records: kim.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 736ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.173.187, 104.21.64.8`
AAAA	2	`2606:4700:3032::6815:4008, 2606:4700:3031::ac43:adbb`
NS	2	`kim.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	2	`dmx.antispam.redehost.com.br (pri: 10), tmx.antispam.redehost.com.br (pri: 5)`
TXT	2	`google-site-verification=vEDPTqsRFsXRh1u, v=spf1 include:spf.redehost.com.br ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kim.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

cursoradical.com.br resolves to four IP addresses: 104.21.64.8, 172.67.173.187, 2606:4700:3031::ac43:adbb and 2606:4700:3032::6815:4008.

Among the host names that share IP numbers with cursoradical.com.br are daelur.is, es.oiiklate.live, mail.divanmsk.ru and two others.

Name Servers

cursoradical.com.br has two authoritative name servers — kim.ns.cloudflare.com and scott.ns.cloudflare.com.

cursoradical.com.br has the same name server delegation as a number of other domains, such as clalitmashlima.co.il, casino-coin.fr, axledelivery.com and two more.

cursoradical.com.br partially shares its NS delegation with several other domains, including 3801-hkb77.xyz, 523ds.cn, skodazapch.ru and two others.

These name servers are regularly seen alongside casey.ns.cloudflare.com and todd.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

kim.ns.cloudflare.com points to 108.162.192.126, 172.64.32.126, 173.245.58.126 and 3 other IP addresses.

scott.ns.cloudflare.com points to 108.162.193.230, 172.64.33.230, 173.245.59.230 and 3 other IP addresses.

Mail Servers

The MX records for cursoradical.com.br point to two mail servers: dmx.antispam.redehost.com.br and tmx.antispam.redehost.com.br.

cursoradical.com.br has the same mail server arrangement as a number of other domains, for example raposaoutlet.com, biafarma.com.br, vrone.com.br and two more.

cursoradical.com.br shares at least some of its mail servers with other domains — for example ytabella.com.br, construpiso.org, rfaissal.com.br and two more.

These mail servers tend to be used in conjunction with fmx.antispam.redehost.com.br, lmx.antispam.redehost.com.br, mx.antispam.redehost.com.br and two additional mail servers.

Both dmx.antispam.redehost.com.br and tmx.antispam.redehost.com.br point to 187.84.224.85 and 187.84.224.88.

The host names dmx.antispam.redehost.com.br and tmx.antispam.redehost.com.br both resolve to 187.84.224.85 IP addresses.

The host names dmx.antispam.redehost.com.br and tmx.antispam.redehost.com.br both resolve to 187.84.224.88 IP addresses.

cursoradical.com.br - robtex.com