linuxtec.com.br - dns.ninja

linuxtec.com.br

DNSSEC⚠️ Not signed
A128.201.75.101🇧🇷 AS266618128.201.75.0/24 G8 Customer Proxy Route
PTRdoha.qzidc.com.br
NSns1.qzidc.com.br ⭐ ⚠️ Not in parent delegation
A128.201.72.72🇧🇷 AS266618128.201.72.0/24 G8 Customer Proxy Route
PTRns1.midc.com.br
NSns1.br-rgt.net ⚠️ Not in zone NS records
NSns2.br-rgt.net ⚠️ Not in zone NS records
A108.161.140.40🇺🇸 TEKTONIC108.161.140.0/23 TekTonic
NSns2.qzidc.com.br ⚠️ Not in parent delegation
A128.201.73.73🇧🇷 AS266618128.201.73.0/24 G8 Customer Proxy Route
PTRns2.midc.com.br
NSns3.qzidc.com.br ⚠️ Not in parent delegation
A128.201.74.74🇧🇷 AS266618128.201.74.0/24 G8 Customer Proxy Route
PTRns3.midc.com.br
MXmx-br.spfbl.net
A2600:1f1e:4b3:bd00::8🇧🇷 Amazon2600:1f1e:400::/38 AMAZON AWS
PTRmx-br.spfbl.net
A52.67.41.212🇧🇷 Amazon52.67.0.0/16 EC2 GRU prefix
PTRmx-br.spfbl.net
MXmx-us.spfbl.net(20)
A2600:1f14:dfd:4401::8🇺🇸 Amazon2600:1f14:800::/37 AMAZON AWS
PTRmx-us.spfbl.net
A35.162.4.77🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix
PTRmx-us.spfbl.net
TXTv=spf1 ip4:128.201.75.101 +a +mx +ip4:51.89.65.16 +ip4:54.37.206.182 ~all
SOAns1.qzidc.com.brclaudio@linuxtec.com.br 2026-07-04 #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=2026207146
rank #482921 globally
rank #3499 in the tld
WOT: SAFE (69/100)

Previously MX for

Same first word

Similar names

DNS History

23 records (8 active, 15 former)

20162017201820192020202120222023202420252026NSns1.br-rgt.netns1.qzidc.com.brns2.br-rgt.netns2.qzidc.com.brns3.qzidc.com.brdns1.kinghost.com.brdns2.kinghost.com.brns1.linuxtec.com.brns2.linuxtec.com.brns3.br-rgt.netns4.br-rgt.netMXmx-br.spfbl.netmx-us.spfbl.netlinuxtec.com.brmx-vip-01.kinghost.netmx-vip-02.kinghost.netA128.201.75.101158.69.242.25177.12.171.86192.99.13.1172804:10:8036::171:8651.68.181.2151.89.65.16
NSdns1.kinghost.com.br2026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
NSdns2.kinghost.com.br2026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
NSns1.br-rgt.net2015-07-08 → 2026-07-26 · 8 obs
● 2015-07-08 06:59:12
○ 2015-12-06 06:53:58
○ 2016-03-19 22:23:46
● 2016-07-19 07:24:42
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
NSns1.linuxtec.com.br2015-07-08 → 2016-03-19 · 4 obs
● 2015-07-08 06:59:12
● 2016-03-19 22:23:46
○ 2016-07-19 07:24:42
○ 2026-07-26 06:44:34
NSns1.qzidc.com.br2026-05-12 → 2026-07-26 · 6 obs
○ 2026-04-29 13:05:50
● 2026-05-12 06:57:48
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
NSns2.br-rgt.net2015-07-08 → 2026-07-26 · 8 obs
● 2015-07-08 06:59:12
○ 2015-12-06 06:53:58
○ 2016-03-19 22:23:46
● 2016-07-19 07:24:42
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
NSns2.linuxtec.com.br2015-12-06 → 2016-03-19 · 5 obs
○ 2015-07-08 06:59:12
● 2015-12-06 06:53:58
● 2016-03-19 22:23:46
○ 2016-07-19 07:24:42
○ 2026-07-26 06:44:34
NSns2.qzidc.com.br2026-05-12 → 2026-07-26 · 6 obs
○ 2026-04-29 13:05:50
● 2026-05-12 06:57:48
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
NSns3.br-rgt.net2026-03-01 → 2026-04-29 · 5 obs
○ 2016-07-19 07:24:42
● 2026-03-01 05:39:42
● 2026-04-29 13:05:50
○ 2026-05-12 06:57:48
○ 2026-07-26 06:44:34
NSns3.qzidc.com.br2026-05-12 → 2026-07-26 · 6 obs
○ 2026-04-29 13:05:50
● 2026-05-12 06:57:48
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
NSns4.br-rgt.net2026-03-01 → 2026-04-29 · 5 obs
○ 2016-07-19 07:24:42
● 2026-03-01 05:39:42
● 2026-04-29 13:05:50
○ 2026-05-12 06:57:48
○ 2026-07-26 06:44:34
MXlinuxtec.com.br2015-07-08 → 2017-03-15 · 4 obs
● 2015-07-08 06:59:12
● 2017-03-15 13:34:34
○ 2020-03-15 10:47:12
○ 2026-07-26 06:44:34
MXmx-br.spfbl.net2020-03-15 → 2026-07-26 · 6 obs
○ 2017-03-15 13:34:34
● 2020-03-15 10:47:12
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
MXmx-us.spfbl.net2020-03-15 → 2026-07-26 · 6 obs
○ 2017-03-15 13:34:34
● 2020-03-15 10:47:12
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
MXmx-vip-01.kinghost.net2026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
MXmx-vip-02.kinghost.net2026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
A128.201.75.1012026-05-12 → 2026-07-26 · 6 obs
○ 2026-04-29 13:05:50
● 2026-05-12 06:57:48
● 2026-05-12 11:25:16
○ 2026-05-12 13:24:34
● 2026-05-13 05:20:06
● 2026-07-26 06:44:34
A158.69.242.252016-07-19 → 2017-03-15 · 5 obs
○ 2016-03-19 22:23:46
● 2016-07-19 07:24:42
● 2017-03-15 13:34:34
○ 2020-03-15 10:47:12
○ 2026-07-26 06:44:34
A177.12.171.862026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
A192.99.13.1172015-07-08 → 2016-03-19 · 4 obs
● 2015-07-08 06:59:12
● 2016-03-19 22:23:46
○ 2016-07-19 07:24:42
○ 2026-07-26 06:44:34
A2804:10:8036::171:862026-03-01 → 2026-07-26 · 2 obs
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
A51.68.181.212020-03-15 → 2020-03-15 · 4 obs
○ 2017-03-15 13:34:34
● 2020-03-15 10:47:12
○ 2026-03-01 05:39:42
○ 2026-07-26 06:44:34
A51.89.65.162026-03-01 → 2026-04-29 · 5 obs
○ 2020-03-15 10:47:12
● 2026-03-01 05:39:42
● 2026-04-29 13:05:50
○ 2026-05-12 06:57:48
○ 2026-07-26 06:44:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
linuxtec.com.brns1.br-rgt.net, ns2.br-rgt.net-

✅ Authoritative Response

Server:108.161.140.40

NS records: ns1.br-rgt.net, ns2.br-rgt.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2417ms | Queries: -

📄 Records

TypeCountSample Data
A1128.201.75.101
NS3ns2.qzidc.com.br, ns1.qzidc.com.br...
MX2mx-us.spfbl.net (pri: 20), mx-br.spfbl.net (pri: 10)
TXT1v=spf1 ip4:128.201.75.101 +a +mx +ip4:51
SOA1ns1.qzidc.com.br claudio.linuxtec.com.br

Analysis

IP Addresses

linuxtec.com.br has exactly one IP address — 128.201.75.101.

mail.7info.com.br, ojpj.com.br, galeedeimoveis.com.br plus two other host names have IP numbers in common with linuxtec.com.br.

Name Servers

Five name servers handle delegation for linuxtec.com.br: ns1.br-rgt.net, ns2.br-rgt.net, ns1.qzidc.com.br and two others.

There is at least partial name server overlap between linuxtec.com.br and other domains — marcusbonilla.com.br, imperiusadm.com.br, promocaodepassagem.com.br and two more among them.

These name servers regularly appear alongside ns2.qzidc.com.br, ns3.qzidc.com.br, ns1.qzhost.com.br and 7 other name servers in NS record sets.

Four host names, each with one IP address: ns2.br-rgt.net has 108.161.140.40, ns1.qzidc.com.br has 128.201.72.72, ns2.qzidc.com.br has 128.201.73.73 and ns3.qzidc.com.br has 128.201.74.74.

Mail Servers

linuxtec.com.br uses two mail servers, mx-br.spfbl.net and mx-us.spfbl.net.

The mail server setup of linuxtec.com.br matches that of other domains such as hostrevenda.com.br, botinh.com.br, clubeturismo.com.br and two others.

At least some of the mail servers used by linuxtec.com.br are shared with other domains: sorpan.com.br, camaramagda.sp.gov.br, suporteideal.com.br and two others among them.

Both mx-br.spfbl.net and mx-us.spfbl.net have two IP addresses each. mx-br.spfbl.net resolves to 52.67.41.212 and 2600:1f1e:4b3:bd00::8; mx-us.spfbl.net resolves to 35.162.4.77 and 2600:1f14:dfd:4401::8.