ktrz.com.br - robtex.com

ktrz.com.br

DNSSEC⚠️ Not signed
A186.202.150.137🇧🇷 Locaweb186.202.128.0/19 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
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
NSns3.locaweb.com.br ⚠️ Not in parent delegation
A2804:218:7002:0:189:126:101:254🇧🇷 Locaweb2804:218:7002::/48
A189.126.101.254🇧🇷 Locaweb189.126.101.0/24
MXmx.b.locaweb.com.br ⭐
A177.153.23.242🇧🇷 Locaweb177.153.0.0/19
PTRmx.b.locaweb.com.br
MXmx.core.locaweb.com.br ⭐
A177.153.23.241🇧🇷 Locaweb177.153.0.0/19
PTRmx.core.locaweb.com.br
MXmx.a.locaweb.com.br(20)
A186.202.4.42🇧🇷 Locaweb186.202.0.0/19
PTRmx.a.locaweb.com.br
MXmx.jk.locaweb.com.br(20)
A200.234.204.130🇧🇷 Locaweb200.234.192.0/20
PTRmx.jk.locaweb.com.br
TXTv=spf1 include:_spf.locaweb.com.br ?all
SOAns1.locaweb.com.brhostmaster@locaweb.com.br 2022-03-10 #1

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=2026195516
rank #536173 globally
rank #3924 in the tld
WOT: SAFE (69/100)

Same first word

ktrz.com.br
ktrz.com
ktrz.net

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DNS History

12 records (8 active, 4 former)

201020122014201620182020202220242026NSns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brhm23MXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brmx01.mx-server.netmx02.mx-server.netA186.202.150.137200.234.196.129
○NShm232015-08-22 → 2017-04-18 · 5 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2017-04-18 14:12:38
○ 2026-06-20 05:17:28
○ 2026-07-14 21:57:42
●NSns1.locaweb.com.br2009-01-10 → 2026-07-14 · 2 obs
● 2009-01-10 18:59:24
● 2026-07-14 21:57:42
●NSns2.locaweb.com.br2009-01-10 → 2026-07-14 · 2 obs
● 2009-01-10 18:59:24
● 2026-07-14 21:57:42
●NSns3.locaweb.com.br2015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
●MXmx.a.locaweb.com.br2015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
●MXmx.b.locaweb.com.br2015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
●MXmx.core.locaweb.com.br2015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
●MXmx.jk.locaweb.com.br2015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
○MXmx01.mx-server.net2009-01-10 → 2009-01-10 · 3 obs
● 2009-01-10 18:59:24
○ 2015-08-22 16:01:26
○ 2026-07-14 21:57:42
○MXmx02.mx-server.net2009-01-10 → 2009-01-10 · 3 obs
● 2009-01-10 18:59:24
○ 2015-08-22 16:01:26
○ 2026-07-14 21:57:42
●A186.202.150.1372015-08-22 → 2026-07-14 · 3 obs
○ 2009-01-10 18:59:24
● 2015-08-22 16:01:26
● 2026-07-14 21:57:42
○A200.234.196.1292009-01-10 → 2009-01-10 · 3 obs
● 2009-01-10 18:59:24
○ 2015-08-22 16:01:26
○ 2026-07-14 21:57:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
ktrz.com.brns1.locaweb.com.br, ns2.locaweb.com.br4 records

✅ Authoritative Response

Server:187.45.248.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1003ms | Queries: -

📄 Records

TypeCountSample Data
A1186.202.150.137
NS3ns3.locaweb.com.br, ns1.locaweb.com.br...
MX4mx.jk.locaweb.com.br (pri: 20), mx.core.locaweb.com.br (pri: 10)...
TXT1v=spf1 include:_spf.locaweb.com.br ?all
SOA1ns1.locaweb.com.br hostmaster.locaweb.co

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.locaweb.com.br, ns1.locaweb.com.br, ns2.locaweb.com.br...)

Analysis

IP Addresses

ktrz.com.br points to a single IP number: 186.202.150.137.

Additional host names — hregente.com.br, kolling.com.br, sohakuacupuntura.org.br and two others — share IP numbers with ktrz.com.br.

Name Servers

ktrz.com.br has three name servers — ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

At least some of ktrz.com.br's name servers are shared with other domains, for example fabricasacosplasticosp.com.br, prorp.com.br, osacre.com.br and two more.

Each of ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br points to two IP numbers. ns1.locaweb.com.br points to 186.202.8.254 and 2804:218:7000:0:186:202:8:254. ns2.locaweb.com.br points to 187.45.248.254 and 2804:218:7001:0:187:45:248:254. ns3.locaweb.com.br points to 189.126.101.254 and 2804:218:7002:0:189:126:101:254.

Mail Servers

The four mail servers for ktrz.com.br are mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

ktrz.com.br shares mail servers — at least in part — with other domains, including produz.tv, psjr.com.br, ralidu.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.