codernex.com - robtex.com

codernex.com

DNSSEC⚠️ Not signed
A191.252.83.196🇧🇷 Locaweb191.252.80.0/22 Servicos de Internet SA
NSns1.locaweb.com.br
A2804:218:7000:0:186:202:8:254🇧🇷 Locaweb2804:218:7000::/48
A186.202.8.254🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA
NSns2.locaweb.com.br
A2804:218:7001:0:187:45:248:254🇧🇷 Locaweb2804:218:7001::/48
A187.45.248.254🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA
NSns3.locaweb.com.br
A2804:218:7002:0:189:126:101:254🇧🇷 Locaweb2804:218:7002::/48
A189.126.101.254🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA
MXmx.core.locaweb.com.br
A177.153.23.241🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.core.locaweb.com.br
MXmx.a.locaweb.com.br(20)
A186.202.4.42🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA
PTRmx.a.locaweb.com.br
MXmx.b.locaweb.com.br(20)
A177.153.23.242🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.b.locaweb.com.br
MXmx.jk.locaweb.com.br(20)
A200.234.204.130🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA
PTRmx.jk.locaweb.com.br
TXTv=spf1 include:_spf.locaweb.com.br -all
SOAns1.locaweb.com.brpostmaster@locaweb.com.br 2026-08-11 #2

com

Same first word

Similar names

DNS History

20 records (8 active, 12 former)

20162017201820192020202120222023202420252026NSns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brleah.ns.cloudflare.comns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.compete.ns.cloudflare.comMXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brcodernex-com.mail.protection.outlook.comA191.252.83.196104.28.0.65104.28.1.6523.227.38.322400:cb00:2048:1::681c:1412400:cb00:2048:1::681c:41
NSleah.ns.cloudflare.com2015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30
NSns1.bdm.microsoftonline.com2016-02-07 → 2017-07-27 · 5 obs
○ 2015-11-04 14:33:46
● 2016-02-07 06:45:52
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
NSns1.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
NSns2.bdm.microsoftonline.com2016-02-07 → 2017-07-27 · 5 obs
○ 2015-11-04 14:33:46
● 2016-02-07 06:45:52
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
NSns2.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
NSns3.bdm.microsoftonline.com2016-02-07 → 2017-07-27 · 5 obs
○ 2015-11-04 14:33:46
● 2016-02-07 06:45:52
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
NSns3.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
NSns4.bdm.microsoftonline.com2016-02-07 → 2017-07-27 · 5 obs
○ 2015-11-04 14:33:46
● 2016-02-07 06:45:52
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
NSpete.ns.cloudflare.com2015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30
MXcodernex-com.mail.protection.outlook.com2015-07-02 → 2017-07-27 · 4 obs
● 2015-07-02 07:37:04
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
MXmx.a.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
MXmx.b.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
MXmx.core.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
MXmx.jk.locaweb.com.br2026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
A104.28.0.652015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30
A104.28.1.652015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30
A191.252.83.1962026-06-23 → 2026-08-13 · 3 obs
○ 2026-03-26 18:23:58
● 2026-06-23 23:45:22
● 2026-08-13 02:03:30
A23.227.38.322017-07-27 → 2017-07-27 · 4 obs
○ 2016-02-07 06:45:52
● 2017-07-27 15:05:08
○ 2026-03-26 18:23:58
○ 2026-08-13 02:03:30
A2400:cb00:2048:1::681c:1412015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30
A2400:cb00:2048:1::681c:412015-07-02 → 2015-11-04 · 4 obs
● 2015-07-02 07:37:04
● 2015-11-04 14:33:46
○ 2016-02-07 06:45:52
○ 2026-08-13 02:03:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
codernex.comns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br-

✅ Authoritative Response

Server:186.202.8.254

NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codernex.com (unsigned zone)

⏱️ Timing

Total: 813ms | Queries: -

📄 Records

TypeCountSample Data
A1191.252.83.196
NS3ns1.locaweb.com.br, ns2.locaweb.com.br...
MX4mx.a.locaweb.com.br (pri: 20), mx.b.locaweb.com.br (pri: 20)...
TXT1v=spf1 include:_spf.locaweb.com.br -all
SOA1ns1.locaweb.com.br postmaster.locaweb.co

Analysis

IP Addresses

codernex.com points to a single IP number: 191.252.83.196.

Additional host names — scientech.com.br, countryclubniteroi.com.br, lmc.org.br and two others — share IP numbers with codernex.com.

Name Servers

codernex.com is served by three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

codernex.com shares at least some of its name servers with other domains, including baterbras.com.br, shineblue.com.br, vantogroup.com.br and two others.

The hostnames ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br each direct to two IP addresses — ns1.locaweb.com.br to 186.202.8.254 and 2804:218:7000:0:186:202:8:254, ns2.locaweb.com.br to 187.45.248.254 and 2804:218:7001:0:187:45:248:254, and ns3.locaweb.com.br to 189.126.101.254 and 2804:218:7002:0:189:126:101:254.

Mail Servers

codernex.com has four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

codernex.com shares mail servers — at least in part — with other domains, including ruston.com.br, aeacampinas.org.br, mariabetania.com.br and two others.

mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br each resolve to one IP address: mx.a.locaweb.com.br resolves to 186.202.4.42, mx.b.locaweb.com.br resolves to 177.153.23.242, mx.core.locaweb.com.br resolves to 177.153.23.241 and mx.jk.locaweb.com.br resolves to 200.234.204.130.