coretec.com.br - dns.ninja

coretec.com.br

DNSSEC⚠️ Not signed
A179.188.55.96🇧🇷 Locaweb179.188.55.0/24 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 2026-02-24 #16

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=2026209524
rank #519666 globally
rank #3715 in the tld
WOT: SAFE (69/100)

Previously MX for

coretec.com.br

Same first word

coretec.net.au
coretec.co.kr
coretec.fr
coretec.co.uk
coretec.mx
coretec.it
coretec.com.tw
coretec.eu
coretec.com.br
coretec.co.nz
coretec.biz
coretec.co
coretec.at
coretec.co.jp
coretec.de
coretec.co.ke
coretec.net
coretec.com.mk
coretec.com
coretec.sakura.ne.jp
coretec.io
coretec.be
coretec.es
coretec.org
coretec.ch
coretec.cl
coretec.se

Similar names

ecocert.ie
cocrete.com
ecocert.cn
cerotec.net
ecotrec.com
coctree.com
certeco.de
ecocert.ru
ecocret.com.pe
ecocert.in
ercotec.de
recotec.cl
ecocert.eu
ecocert.bio
ecocert.com
rocetec.com
ecocert.com.au
recotec.cn
erectco.com.au
ecocert.nl
ecocert.com.tr
eoccert.org
ecocert.com.br
recotec.de
creotec.co.uk
ecorect.com
recotec.com.cn
ecocert.ro
ecocert.ca
ecocert.info
ecocert.co
certeco.ru
cercote.com
certeco.es
treecco.com
teccore.de
ecocert.be
ecocret.com
recotec.com
creotec.de
creotec.com
tececor.com
ecocert.es
cerotec.es
ecocert.co.uk
creotec.it
cerotec.com
trececo.com
certeco.nl
ecocert.gr
ecocert.de
ecocert.net
eoccert.net
etccore.io
recotec.biz
ecocert.biz
ecocert.at
cecoret.com
ecocret.net
ecocert.fr
recotec.eu
ecocert.co.kr

DNS History

21 records (8 active, 13 former)

200920112013201520172019202120232025NSns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brd.sec.dns.brf.sec.dns.brns.doctornet.com.brns2.doctornet.com.brns438.hostgator.com.brns439.hostgator.com.brMXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brcoretec.com.brelguapo.coretec.com.brmx.zoho.commx2.zoho.commx3.zoho.comA179.188.55.96201.16.24.83216.172.161.54
○NSd.sec.dns.br2018-05-15 → 2019-08-31 · 5 obs
○ 2018-04-23 11:04:32
● 2018-05-15 16:41:30
● 2019-08-31 21:07:48
○ 2026-02-20 08:42:22
○ 2026-07-28 22:03:14
○NSf.sec.dns.br2018-05-15 → 2019-08-31 · 5 obs
○ 2018-04-23 11:04:32
● 2018-05-15 16:41:30
● 2019-08-31 21:07:48
○ 2026-02-20 08:42:22
○ 2026-07-28 22:03:14
○NSns.doctornet.com.br2008-01-18 → 2008-01-18 · 3 obs
● 2008-01-18 21:29:48
○ 2015-07-04 00:53:12
○ 2026-07-28 22:03:14
●NSns1.locaweb.com.br2026-02-20 → 2026-07-28 · 3 obs
○ 2019-08-31 21:07:48
● 2026-02-20 08:42:22
● 2026-07-28 22:03:14
○NSns2.doctornet.com.br2008-01-18 → 2008-01-18 · 3 obs
● 2008-01-18 21:29:48
○ 2015-07-04 00:53:12
○ 2026-07-28 22:03:14
●NSns2.locaweb.com.br2026-02-20 → 2026-07-28 · 3 obs
○ 2019-08-31 21:07:48
● 2026-02-20 08:42:22
● 2026-07-28 22:03:14
●NSns3.locaweb.com.br2026-02-20 → 2026-07-28 · 3 obs
○ 2019-08-31 21:07:48
● 2026-02-20 08:42:22
● 2026-07-28 22:03:14
○NSns438.hostgator.com.br2015-07-04 → 2018-04-23 · 5 obs
○ 2008-01-18 21:29:48
● 2015-07-04 00:53:12
● 2018-04-23 11:04:32
○ 2018-05-15 16:41:30
○ 2026-07-28 22:03:14
○NSns439.hostgator.com.br2015-07-04 → 2018-04-23 · 5 obs
○ 2008-01-18 21:29:48
● 2015-07-04 00:53:12
● 2018-04-23 11:04:32
○ 2018-05-15 16:41:30
○ 2026-07-28 22:03:14
○MXcoretec.com.br2015-07-04 → 2018-04-23 · 5 obs
○ 2008-01-18 21:29:48
● 2015-07-04 00:53:12
● 2018-04-23 11:04:32
○ 2018-05-15 16:41:30
○ 2026-07-28 22:03:14
○MXelguapo.coretec.com.br2008-01-18 → 2008-01-18 · 3 obs
● 2008-01-18 21:29:48
○ 2015-07-04 00:53:12
○ 2026-07-28 22:03:14
●MXmx.a.locaweb.com.br2026-06-27 → 2026-07-28 · 3 obs
○ 2026-02-20 08:42:22
● 2026-06-27 14:06:26
● 2026-07-28 22:03:14
●MXmx.b.locaweb.com.br2026-06-27 → 2026-07-28 · 3 obs
○ 2026-02-20 08:42:22
● 2026-06-27 14:06:26
● 2026-07-28 22:03:14
●MXmx.core.locaweb.com.br2026-06-27 → 2026-07-28 · 3 obs
○ 2026-02-20 08:42:22
● 2026-06-27 14:06:26
● 2026-07-28 22:03:14
●MXmx.jk.locaweb.com.br2026-06-27 → 2026-07-28 · 3 obs
○ 2026-02-20 08:42:22
● 2026-06-27 14:06:26
● 2026-07-28 22:03:14
○MXmx.zoho.com2018-05-15 → 2019-08-31 · 5 obs
○ 2018-04-23 11:04:32
● 2018-05-15 16:41:30
● 2019-08-31 21:07:48
○ 2026-02-20 08:42:22
○ 2026-07-28 22:03:14
○MXmx2.zoho.com2018-05-15 → 2019-08-31 · 5 obs
○ 2018-04-23 11:04:32
● 2018-05-15 16:41:30
● 2019-08-31 21:07:48
○ 2026-02-20 08:42:22
○ 2026-07-28 22:03:14
○MXmx3.zoho.com2018-05-15 → 2019-08-31 · 5 obs
○ 2018-04-23 11:04:32
● 2018-05-15 16:41:30
● 2019-08-31 21:07:48
○ 2026-02-20 08:42:22
○ 2026-07-28 22:03:14
●A179.188.55.962026-06-27 → 2026-07-28 · 3 obs
○ 2018-05-15 16:41:30
● 2026-06-27 14:06:26
● 2026-07-28 22:03:14
○A201.16.24.832008-01-18 → 2008-01-18 · 3 obs
● 2008-01-18 21:29:48
○ 2015-07-04 00:53:12
○ 2026-07-28 22:03:14
○A216.172.161.542015-07-04 → 2018-04-23 · 5 obs
○ 2008-01-18 21:29:48
● 2015-07-04 00:53:12
● 2018-04-23 11:04:32
○ 2018-05-15 16:41:30
○ 2026-07-28 22:03:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
coretec.com.brns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br6 records

✅ Authoritative Response

Server:189.126.101.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 697ms | Queries: -

📄 Records

TypeCountSample Data
A1179.188.55.96
NS3ns3.locaweb.com.br, ns1.locaweb.com.br...
MX4mx.a.locaweb.com.br (pri: 20), mx.core.locaweb.com.br (pri: 10)...
TXT1v=spf1 include:_spf.locaweb.com.br -all
SOA1ns1.locaweb.com.br postmaster.locaweb.co

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br...)

Analysis

IP Addresses

coretec.com.br directs to one IP number, which is 179.188.55.96.

Among the host names that share IP numbers with coretec.com.br are mxtech.com.br, marquesemuller.adv.br, cmcmultimidia.com.br and two others.

Name Servers

coretec.com.br is delegated to three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

coretec.com.br partially shares its NS delegation with several other domains, including tagpin.com.br, mbreda.com.br, seustillo.com and two others.

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

Mail Servers

Four mail servers handle email for coretec.com.br: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

coretec.com.br shares at least some of its mail servers with other domains — for example emporiodadeisy.com.br, masotti.adv.br, novasmedia.siteprofissional.com and two more.

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. mx.jk.locaweb.com.br resolves to 200.234.204.130. All four hosts carry exactly one IP address.