mbcursos.com.br - robtex.com

mbcursos.com.br

DNSSEC⚠️ Not signed
A46.202.145.235🇺🇦 IIHOS00146.202.144.0/21 HOSTINGER BR
NSgwen.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A2803:f800:50::6ca2:c0a0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgwen.ns.cloudflare.com
A2a06:98c1:50::ac40:20a0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgwen.ns.cloudflare.com
A108.162.192.160🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A172.64.32.160🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A173.245.58.160🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
NSpablo.ns.cloudflare.com
A2606:4700:58::adf5:3bdc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A2803:f800:50::6ca2:c1dc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpablo.ns.cloudflare.com
A2a06:98c1:50::ac40:21dc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpablo.ns.cloudflare.com
A108.162.193.220🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A172.64.33.220🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
A173.245.59.220🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpablo.ns.cloudflare.com
MXmbcursos-com-br.mail.protection.outlook.com ⭐
A2a01:111:f403:c903::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00503.inbound.protection.outlook.com
A2a01:111:f403:c931::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sa9pr03cu00201.inbound.protection.outlook.com
A2a01:111:f403:c946::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch0pr04cu00603.inbound.protection.outlook.com
A2a01:111:f403:f802::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.40.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy5pr03cu00204.inbound.protection.outlook.com
A52.101.194.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch0pr04cu00605.inbound.protection.outlook.com
A52.101.194.15🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ch4pr21cu00107.inbound.protection.outlook.com
TXTMS=ms92924186
TXTv=spf1 include:spf.protection.outlook.com -all
SOAgwen.ns.cloudflare.comdns@cloudflare.com serial=2400178665

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026104352
rank #557950 globally
rank #4104 in the tld
WOT: SAFE (69/100)

Previously MX for

mbcursos.com.br

Subdomains

www.mbcursos.com.br

Same first word

mbcursos.com.br

Similar names

cmssubro.com

DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSgwen.ns.cloudflare.compablo.ns.cloudflare.comns-rj-1.mundivox.comns-rj-1.mundivox.com.brns-rj-2.mundivox.comns-rj-2.mundivox.com.brns1.datat.com.brns2.datat.com.brMXmbcursos-com-br.mail.protection.outlook.commbcursos.com.brmx2.mbcursos.com.brsmtp.mbcursos.com.brA46.202.145.235200.196.48.43209.126.6.127
●NSgwen.ns.cloudflare.com2026-03-09 → 2026-04-14 · 3 obs
○ 2021-03-15 17:14:08
● 2026-03-09 01:46:56
● 2026-04-14 15:01:40
○NSns-rj-1.mundivox.com2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○NSns-rj-1.mundivox.com.br2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○NSns-rj-2.mundivox.com2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○NSns-rj-2.mundivox.com.br2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○NSns1.datat.com.br2021-03-15 → 2021-03-15 · 4 obs
○ 2017-04-04 17:48:50
● 2021-03-15 17:14:08
○ 2026-03-09 01:46:56
○ 2026-04-14 15:01:40
○NSns2.datat.com.br2021-03-15 → 2021-03-15 · 4 obs
○ 2017-04-04 17:48:50
● 2021-03-15 17:14:08
○ 2026-03-09 01:46:56
○ 2026-04-14 15:01:40
●NSpablo.ns.cloudflare.com2026-03-09 → 2026-04-14 · 3 obs
○ 2021-03-15 17:14:08
● 2026-03-09 01:46:56
● 2026-04-14 15:01:40
●MXmbcursos-com-br.mail.protection.outlook.com2026-03-09 → 2026-04-14 · 3 obs
○ 2021-03-15 17:14:08
● 2026-03-09 01:46:56
● 2026-04-14 15:01:40
○MXmbcursos.com.br2021-03-15 → 2021-03-15 · 4 obs
○ 2017-04-04 17:48:50
● 2021-03-15 17:14:08
○ 2026-03-09 01:46:56
○ 2026-04-14 15:01:40
○MXmx2.mbcursos.com.br2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○MXsmtp.mbcursos.com.br2015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○A200.196.48.432015-08-07 → 2017-04-04 · 4 obs
● 2015-08-07 16:01:00
● 2017-04-04 17:48:50
○ 2021-03-15 17:14:08
○ 2026-04-14 15:01:40
○A209.126.6.1272021-03-15 → 2021-03-15 · 4 obs
○ 2017-04-04 17:48:50
● 2021-03-15 17:14:08
○ 2026-03-09 01:46:56
○ 2026-04-14 15:01:40
●A46.202.145.2352026-03-09 → 2026-04-14 · 3 obs
○ 2021-03-15 17:14:08
● 2026-03-09 01:46:56
● 2026-04-14 15:01:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
mbcursos.com.brgwen.ns.cloudflare.com, pablo.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.220

NS records: gwen.ns.cloudflare.com, pablo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 563ms | Queries: -

📄 Records

TypeCountSample Data
A146.202.145.235
NS2gwen.ns.cloudflare.com, pablo.ns.cloudflare.com
MX1mbcursos-com-br.mail.protection.outlook.
TXT2MS=ms92924186, v=spf1 include:spf.protection.outlook.co
SOA1gwen.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

mbcursos.com.br is the parent of www.mbcursos.com.br.

IP Addresses

mbcursos.com.br resolves to a single IP address: 46.202.145.235.

Other host names such as probas.com.pe, www.mbcursos.com.br, mbcursos.coppe.ufrj.br and conre1.org.br share IP numbers with mbcursos.com.br.

Name Servers

mbcursos.com.br's delegation uses two name servers, gwen.ns.cloudflare.com and pablo.ns.cloudflare.com.

mbcursos.com.br shares the same name server setup as other domains, for example enrome.com, datathost.com.br, officeimo.com, onedoc.icu and newpolicysecuremailathourefleowrevlogin.pages.dev.

mbcursos.com.br at least partially shares name servers with other domains, including szormeszalon.hu, namefatso.com, gofsk.net, solenco.be and hailaiyunshi.com.

These name servers are commonly used with theo.ns.cloudflare.com and donna.ns.cloudflare.com.

Host names with six IP numbers:

gwen.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa0, 2803:f800:50::6ca2:c0a0, 2a06:98c1:50::ac40:20a0, 108.162.192.160, 172.64.32.160 and 173.245.58.160.

pablo.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdc, 2803:f800:50::6ca2:c1dc, 2a06:98c1:50::ac40:21dc, 108.162.193.220, 172.64.33.220 and 173.245.59.220.

Mail Servers

mbcursos.com.br is handled by a single mail server, mbcursos-com-br.mail.protection.outlook.com.

Hostname mbcursos-com-br.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c903::3, 2a01:111:f403:c931::1, 2a01:111:f403:c946::3, 2a01:111:f403:f802::, 52.101.9.12, 52.101.40.4, 52.101.194.13 and 52.101.194.15.