`cursoflex.com`

DNSSEC	⚠️ Not signed
A	2804:10:8002::210:29^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
A	191.6.210.29^{🇧🇷 Locaweb191.6.210.0/24 IPV6 Internet Ltda}
NS	`izabella.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`izabella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`izabella.ns.cloudflare.com`
		A	108.162.194.46^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	162.159.38.46^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
		A	172.64.34.46^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`izabella.ns.cloudflare.com`
NS	`john.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`john.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`john.ns.cloudflare.com`
		A	108.162.193.185^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	172.64.33.185^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
		A	173.245.59.185^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`john.ns.cloudflare.com`
MX	`mx-vip-01.uni5.net` ⭐
		A	2804:10:8028::220:38^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
		A	191.6.220.38^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-01-farm28.uni5.net`
MX	`mx-vip-02.uni5.net` ⭐
		A	2804:10:8028::220:39^{🇧🇷 IPV6-INTERNET2804:10:8000::/34 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-02-farm28.uni5.net`
		A	191.6.220.39^{🇧🇷 IPV6-INTERNET191.6.220.0/23 IPv6 Internet Ltda Any Notification about AS28299 security please e-mail to: ABUSE@hospedagem.net}
			PTR	`mx-vip-02-farm28.uni5.net`
TXT	`v=spf1 include:mxsspf.sendpulse.com +a +mx ~all`
SOA	`izabella.ns.cloudflare.com`dns@cloudflare.com serial=2399517199

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778367801

WOT: SAFE (61/100)

Same first word

cursoflex.com

Similar names

surcoflex.com

flxsource.org

DNS History

10 records (6 active, 4 former)

●NSizabella.ns.cloudflare.com2026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

●NSjohn.ns.cloudflare.com2026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

○NSns1.onalia.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 11:41:18
○ 2015-10-25 23:35:08
○ 2026-05-09 23:16:12

○NSns2.onalia.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 11:41:18
○ 2015-10-25 23:35:08
○ 2026-05-09 23:16:12

○MXmail.cursoflex.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 11:41:18
○ 2015-10-25 23:35:08
○ 2026-05-09 23:16:12

●MXmx-vip-01.uni5.net2026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

●MXmx-vip-02.uni5.net2026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

●A191.6.210.292026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

●A2804:10:8002::210:292026-04-13 → 2026-05-09 · 3 obs

○ 2015-10-25 23:35:08
● 2026-04-13 11:25:12
● 2026-05-09 23:16:12

○A82.194.82.362008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 11:41:18
○ 2015-10-25 23:35:08
○ 2026-05-09 23:16:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cursoflex.com	john.ns.cloudflare.com, izabella.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.46

NS records: john.ns.cloudflare.com, izabella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cursoflex.com (unsigned zone)

⏱️ Timing

Total: 188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.6.210.29`
AAAA	1	`2804:10:8002::210:29`
NS	2	`izabella.ns.cloudflare.com, john.ns.cloudflare.com`
MX	2	`mx-vip-01.uni5.net (pri: 5), mx-vip-02.uni5.net (pri: 5)`
TXT	1	`v=spf1 include:mxsspf.sendpulse.com +a +`
SOA	1	`izabella.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (john.ns.cloudflare.com, john.ns.cloudflare.com, john.ns.cloudflare.com...)

Analysis

IP Addresses

cursoflex.com points to two IP numbers: 2804:10:8002::210:29 and 191.6.210.29.

Other host names, for instance brasilnet.com.br, pupetz.com.br, pontodevista.jor.br, criarlogo.com.br and novafer.com.br share IP numbers with cursoflex.com.

Name Servers

cursoflex.com's delegation is to two name servers izabella.ns.cloudflare.com and john.ns.cloudflare.com.

cursoflex.com shares the same name server configuration as other domains, such as sultanbeylidh.gov.tr, kiltedcompetitions.co.uk, deliveryoptions-dhl.com, sysadmin.st and apple-c5e.pages.dev.

cursoflex.com at least partially shares its name servers with other domains, for instance rtbtr.com, cloudearth.com, aoxcoin.com, ztorage.se and chefsaas.com.

These name servers are commonly used alongside stella.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers:

izabella.ns.cloudflare.com points to: 2606:4700:50::a29f:262e, 2803:f800:50::6ca2:c22e, 2a06:98c1:50::ac40:222e, 108.162.194.46, 162.159.38.46 and 172.64.34.46.

john.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb9, 2803:f800:50::6ca2:c1b9, 2a06:98c1:50::ac40:21b9, 108.162.193.185, 172.64.33.185 and 173.245.59.185.

Mail Servers

Two mail servers mx-vip-01.uni5.net and mx-vip-02.uni5.net handle cursoflex.com.

cursoflex.com uses the same mail server setup as other domains such as genmedicina.com.br, novotempoimoveis.com.br, imoteccorretora.com.br, futebolbarretos.com.br and brinquedosbrum.com.br.

cursoflex.com shares some mail servers with other domains at least partially, for example royalmarine.com.br.

Host names with two IP numbers: mx-vip-01.uni5.net points to 2804:10:8028::220:38 and 191.6.220.38; mx-vip-02.uni5.net points to 2804:10:8028::220:39 and 191.6.220.39

cursoflex.com - robtex.com

cursoflex.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cursoflex.com`

`com`