cursosapple.com.br - robtex.com

cursosapple.com.br

DNSSEC⚠️ Not signed
A177.53.141.142🇧🇷 AS53243177.53.141.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.
PTRd10.servidor.srv.br
NSns1.sierti.net.br ⭐ ⚠️ Not in parent delegation
A45.224.128.47🇧🇷 FERENZ45.224.128.0/24 Ferenz Networks - DC
PTR45-224-128-47.ferenz.com.br
NSdns1.sierti.net.br ⚠️ Not in zone NS records
A45.224.130.10🇧🇷 FERENZ45.224.130.0/24 Ferenz Networks - DC
PTRdns1-br.servidor.srv.br
NSdns2.sierti.net.br ⚠️ Not in zone NS records
NSdns3.sierti.net.br ⚠️ Not in zone NS records
NSns2.sierti.net.br ⚠️ Not in parent delegation
NSns3.sierti.net.br ⚠️ Not in parent delegation
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A172.253.115.26🇺🇸 Google172.253.115.0/24
PTRbg-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTv=spf1 a mx ip4:186.226.56.56 include:spf.servidor.srv.br include:_spf.google...
SOAns1.sierti.net.brcassiano@microimport.com.br 2025-01-24 #0

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=2026131036
rank #565561 globally
rank #4304 in the tld
WOT: SAFE (69/100)

Previously MX for

cursosapple.com.br

Subdomains

www.cursosapple.com.br

Same first word

cursosapple.com.br

Similar names

upscalepros.com
scaleuppros.online
cupolapress.com

DNS History

21 records (12 active, 9 former)

20162017201820192020202120222023202420252026NSdns1.sierti.net.brdns2.sierti.net.brdns3.sierti.net.brns1.sierti.net.brns2.sierti.net.brns3.sierti.net.brns1.aquaticbrasil.com.brns1.hostcerto.com.brns2.aquaticbrasil.com.brns2.hostcerto.com.brMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comcursosapple.com.brA177.53.141.142177.53.140.54200.178.187.210200.178.187.216209.133.204.220
●NSdns1.sierti.net.br2026-04-01 → 2026-05-11 · 3 obs
○ 2019-04-04 04:11:00
● 2026-04-01 05:52:18
● 2026-05-11 01:37:10
●NSdns2.sierti.net.br2026-04-01 → 2026-05-11 · 3 obs
○ 2019-04-04 04:11:00
● 2026-04-01 05:52:18
● 2026-05-11 01:37:10
●NSdns3.sierti.net.br2026-04-01 → 2026-05-11 · 3 obs
○ 2019-04-04 04:11:00
● 2026-04-01 05:52:18
● 2026-05-11 01:37:10
○NSns1.aquaticbrasil.com.br2015-07-03 → 2017-02-01 · 4 obs
● 2015-07-03 20:51:14
● 2017-02-01 00:48:20
○ 2019-04-04 04:11:00
○ 2026-05-11 01:37:10
○NSns1.hostcerto.com.br2019-04-04 → 2019-04-04 · 4 obs
○ 2017-02-01 00:48:20
● 2019-04-04 04:11:00
○ 2026-04-01 05:52:18
○ 2026-05-11 01:37:10
●NSns1.sierti.net.br2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-24 17:37:08
● 2026-04-29 10:47:48
● 2026-05-11 01:37:10
○NSns2.aquaticbrasil.com.br2015-07-03 → 2017-02-01 · 4 obs
● 2015-07-03 20:51:14
● 2017-02-01 00:48:20
○ 2019-04-04 04:11:00
○ 2026-05-11 01:37:10
○NSns2.hostcerto.com.br2019-04-04 → 2019-04-04 · 4 obs
○ 2017-02-01 00:48:20
● 2019-04-04 04:11:00
○ 2026-04-01 05:52:18
○ 2026-05-11 01:37:10
●NSns2.sierti.net.br2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-24 17:37:08
● 2026-04-29 10:47:48
● 2026-05-11 01:37:10
●NSns3.sierti.net.br2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-24 17:37:08
● 2026-04-29 10:47:48
● 2026-05-11 01:37:10
●MXalt1.aspmx.l.google.com2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
●MXalt2.aspmx.l.google.com2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
●MXalt3.aspmx.l.google.com2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
●MXalt4.aspmx.l.google.com2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
●MXaspmx.l.google.com2026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
○MXcursosapple.com.br2015-07-03 → 2019-04-04 · 4 obs
● 2015-07-03 20:51:14
● 2019-04-04 04:11:00
○ 2026-04-01 05:52:18
○ 2026-05-11 01:37:10
○A177.53.140.542019-04-04 → 2019-04-04 · 4 obs
○ 2017-02-01 00:48:20
● 2019-04-04 04:11:00
○ 2026-04-01 05:52:18
○ 2026-05-11 01:37:10
●A177.53.141.1422026-04-01 → 2026-05-11 · 6 obs
○ 2026-04-01 05:52:18
● 2026-04-01 08:04:54
○ 2026-04-09 07:05:48
○ 2026-04-29 10:47:48
● 2026-05-11 01:37:08
● 2026-05-11 01:37:10
○A200.178.187.2102015-07-03 → 2015-07-03 · 3 obs
● 2015-07-03 20:51:14
○ 2015-11-19 12:11:02
○ 2026-05-11 01:37:10
○A200.178.187.2162015-11-19 → 2016-02-11 · 5 obs
○ 2015-07-03 20:51:14
● 2015-11-19 12:11:02
● 2016-02-11 07:50:14
○ 2016-05-09 22:55:32
○ 2026-05-11 01:37:10
○A209.133.204.2202016-05-09 → 2017-02-01 · 5 obs
○ 2016-02-11 07:50:14
● 2016-05-09 22:55:32
● 2017-02-01 00:48:20
○ 2019-04-04 04:11:00
○ 2026-05-11 01:37:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
cursosapple.com.brdns1.sierti.net.br, dns2.sierti.net.br, dns3.sierti.net.br-

✅ Authoritative Response

Server:45.224.130.10

NS records: dns1.sierti.net.br, dns2.sierti.net.br, dns3.sierti.net.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1586ms | Queries: -

📄 Records

TypeCountSample Data
A1177.53.141.142
NS3ns1.sierti.net.br, ns3.sierti.net.br...
MX5ASPMX.L.GOOGLE.COM (pri: 1), ALT4.ASPMX.L.GOOGLE.COM (pri: 10)...
TXT1v=spf1 a mx ip4:186.226.56.56 include:sp
SOA1ns1.sierti.net.br cassiano.microimport.c

Analysis

Hierarchy

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

IP Addresses

cursosapple.com.br points to IP number 177.53.141.142.

For instance, other host names mail.byebyepaper.com.br, futebode.com.br, dns3.sierti.com.br, caoboy.com.br and flashsites.com.br share IP numbers with cursosapple.com.br.

Name Servers

cursosapple.com.br is delegated to six name servers: dns1.sierti.net.br, dns2.sierti.net.br, dns3.sierti.net.br, ns1.sierti.net.br, ns2.sierti.net.br and ns3.sierti.net.br.

cursosapple.com.br shares name servers with other domains at least partially, for example applesaopaulo.com.br, futebode.com.br, aquatic.com.br, choconice.com and iphoneribeirao.com.br.

These name servers are commonly used with the name servers dns1.hostcerto.com.br and dns2.hostcerto.com.br.

Host names with one IP number:

dns1.sierti.net.br points to: 45.224.130.10.

ns1.sierti.net.br points to: 45.224.128.47.

Mail Servers

Five mail servers handle cursosapple.com.br: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cursosapple.com.br shares mail servers with other domains at least partially; for instance hunterwoodpoint.com, ns500599.ns500737.ns500737.ns500724.ns500737.ns500724.ns500737.ns500697.ns500697.ns500599.ns500682.ns500583.yummyflingsfinder.com, 12a3.net, theoceanbayhouse.com and labeley.com.

These mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c17::1b and 172.253.115.26

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27