`professorx.com.br`

DNSSEC	⚠️ Not signed
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com ~all`
TXT	`zoho-verification=zb66169390.zmverify.zoho.com`
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2410934969

`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=2026219034

rank #526393 globally
rank #3738 in the tld
WOT: SAFE (69/100)

Same first word

professorx.com

professorx.nl

professorx.com.br

professorx.io

professorx.de

Similar names

roofxpress.com

xprofessor.com

DNS History

5 records (5 active, 0 former)

●NSlee.ns.cloudflare.com2026-06-02 → 2026-08-07 · 2 obs

● 2026-06-02 02:22:08
● 2026-08-07 02:13:38

●NSvita.ns.cloudflare.com2026-06-02 → 2026-08-07 · 2 obs

● 2026-06-02 02:22:08
● 2026-08-07 02:13:38

●MXmx.zoho.com2026-08-07 → 2026-08-07 · 2 obs

● 2026-08-07 02:13:36
● 2026-08-07 02:13:38

●MXmx2.zoho.com2026-08-07 → 2026-08-07 · 2 obs

● 2026-08-07 02:13:36
● 2026-08-07 02:13:38

●MXmx3.zoho.com2026-08-07 → 2026-08-07 · 2 obs

● 2026-08-07 02:13:36
● 2026-08-07 02:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
professorx.com.br	lee.ns.cloudflare.com, vita.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.238

NS records: lee.ns.cloudflare.com, vita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 657ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`lee.ns.cloudflare.com, vita.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`v=spf1 include:zohomail.com ~all, zoho-verification=zb66169390.zmverify.zo`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

Analysis

Name Servers

professorx.com.br is delegated to two name servers: lee.ns.cloudflare.com and vita.ns.cloudflare.com.

The name server configuration of professorx.com.br is shared with other domains, for instance radioromania.net, nextgengroup.pl, rathig.com and two others.

professorx.com.br shares at least some of its name servers with other domains, including warkocz.pl, terrahomes.gr, pittwaterplace.com.au and two others.

These name servers are frequently paired with the name servers alexa.ns.cloudflare.com and galilea.ns.cloudflare.com.

Hosts with 6 IP addresses each:

lee.ns.cloudflare.com resolves to 108.162.193.129, 172.64.33.129, 173.245.59.129 and 3 other IP addresses.

vita.ns.cloudflare.com resolves to 108.162.192.238, 172.64.32.238, 173.245.58.238 and 3 other IP addresses.

Mail Servers

professorx.com.br is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by professorx.com.br are shared with other domains: latinllantas.com, blinksession.com, fortportoes.com.br and two others among them.

mx2.zoho.com resolves to 136.143.183.44, while mx3.zoho.com and mx.zoho.com both resolve to 204.141.43.44.

mx3.zoho.com and mx.zoho.com are host names that each point to 204.141.43.44 IP addresses.

professorx.com.br - robtex.com