masterdev.com.br - dns.ninja

`masterdev.com.br`

DNSSEC	🔒 Signed (DS record present)
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`e.sec.dns.br` ⭐
		A	2001:12f8:b:1::14^{🇧🇷 C-DNS-BR2001:12f8:b::/48 Registro.BR Network (C.DNS.BR)}
			PTR	`e.sec.dns.br`
		A	200.192.232.14^{🇧🇷 C-DNS-BR200.192.232.0/24 Registro.BR Network (C.DNS.BR)}
			PTR	`e.sec.dns.br`
NS	`f.sec.dns.br`
		A	2001:12f8:9:1::14^{🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR)}
			PTR	`f.sec.dns.br`
		A	200.189.40.14^{🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR)}
			PTR	`f.sec.dns.br`
MX	`masterdev-com-br.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c94a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c94a::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cp3p284cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c94c::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
		A	52.101.198.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp5p284cu01800.inbound.protection.outlook.com`
		A	52.101.198.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp4p284cu00401.inbound.protection.outlook.com`
		A	52.101.198.38^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cp3p284cu00706.inbound.protection.outlook.com`
		A	52.101.200.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-roap284cu02600.inbound.protection.outlook.com`
TXT	`MS=ms25149590`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`e.sec.dns.br`hostmaster@registro.br serial=2026189000

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026212132

rank #521236 globally
rank #3733 in the tld
WOT: SAFE (69/100)

Previously MX for

masterdev.com.br

Same first word

masterdev.ca

masterdev.com

masterdev.com.br

masterdev.fr

masterdev.eu

masterdev.guru

masterdev.net

masterdev.pl

masterdev.org

Similar names

DNS History

27 records (4 active, 23 former)

○NSdns1.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○NSdns2.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○NSdns3.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○NSdns4.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○NSdns5.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○NSdns6.kinghost.com.br2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

●NSe.sec.dns.br2026-04-08 → 2026-07-31 · 3 obs

○ 2018-09-10 06:16:46
● 2026-04-08 04:18:12
● 2026-07-31 05:57:16

●NSf.sec.dns.br2026-04-08 → 2026-07-31 · 3 obs

○ 2018-09-10 06:16:46
● 2026-04-08 04:18:12
● 2026-07-31 05:57:16

○NSmail.masterdev.com.br2009-01-11 → 2009-01-11 · 3 obs

● 2009-01-11 11:33:36
○ 2015-07-05 12:23:50
○ 2026-07-31 05:57:16

○NSns.masterdev.com.br2009-01-11 → 2009-01-11 · 3 obs

● 2009-01-11 11:33:36
○ 2015-07-05 12:23:50
○ 2026-07-31 05:57:16

○NSns1.site4now.net2016-07-15 → 2018-09-10 · 5 obs

○ 2016-01-31 05:15:56
● 2016-07-15 18:07:00
● 2018-09-10 06:16:46
○ 2026-04-08 04:18:12
○ 2026-07-31 05:57:16

○NSns2.site4now.net2016-07-15 → 2018-09-10 · 5 obs

○ 2016-01-31 05:15:56
● 2016-07-15 18:07:00
● 2018-09-10 06:16:46
○ 2026-04-08 04:18:12
○ 2026-07-31 05:57:16

○NSns3.site4now.net2016-07-15 → 2018-09-10 · 5 obs

○ 2016-01-31 05:15:56
● 2016-07-15 18:07:00
● 2018-09-10 06:16:46
○ 2026-04-08 04:18:12
○ 2026-07-31 05:57:16

○NSns81.domaincontrol.com2015-10-11 → 2016-01-31 · 5 obs

○ 2009-01-11 11:33:36
● 2015-10-11 06:41:52
● 2016-01-31 05:15:56
○ 2016-07-15 18:07:00
○ 2026-07-31 05:57:16

○NSns82.domaincontrol.com2015-10-11 → 2016-01-31 · 5 obs

○ 2009-01-11 11:33:36
● 2015-10-11 06:41:52
● 2016-01-31 05:15:56
○ 2016-07-15 18:07:00
○ 2026-07-31 05:57:16

○MXigw5002.site4now.net2018-09-10 → 2018-09-10 · 4 obs

○ 2016-07-15 18:07:00
● 2018-09-10 06:16:46
○ 2026-04-08 04:18:12
○ 2026-07-31 05:57:16

○MXmailstore1.secureserver.net2015-10-11 → 2016-01-31 · 5 obs

○ 2009-01-11 11:33:36
● 2015-10-11 06:41:52
● 2016-01-31 05:15:56
○ 2016-07-15 18:07:00
○ 2026-07-31 05:57:16

●MXmasterdev-com-br.mail.protection.outlook.com2026-04-08 → 2026-07-31 · 3 obs

○ 2018-09-10 06:16:46
● 2026-04-08 04:18:12
● 2026-07-31 05:57:16

○MXmasterdev.com.br2009-01-11 → 2009-01-11 · 3 obs

● 2009-01-11 11:33:36
○ 2015-07-05 12:23:50
○ 2026-07-31 05:57:16

○MXmx-vip-01.kinghost.net2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○MXmx-vip-02.kinghost.net2015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○MXsmtp.secureserver.net2015-10-11 → 2016-01-31 · 5 obs

○ 2009-01-11 11:33:36
● 2015-10-11 06:41:52
● 2016-01-31 05:15:56
○ 2016-07-15 18:07:00
○ 2026-07-31 05:57:16

○A177.12.161.1322015-07-05 → 2015-07-05 · 4 obs

○ 2009-01-11 11:33:36
● 2015-07-05 12:23:50
○ 2015-10-11 06:41:52
○ 2026-07-31 05:57:16

○A205.144.171.1332016-07-15 → 2018-09-10 · 5 obs

○ 2016-01-31 05:15:56
● 2016-07-15 18:07:00
● 2018-09-10 06:16:46
○ 2026-04-08 04:18:12
○ 2026-07-31 05:57:16

○A50.62.160.1432015-10-11 → 2016-01-31 · 5 obs

○ 2009-01-11 11:33:36
● 2015-10-11 06:41:52
● 2016-01-31 05:15:56
○ 2016-07-15 18:07:00
○ 2026-07-31 05:57:16

○A76.74.236.72009-01-11 → 2009-01-11 · 3 obs

● 2009-01-11 11:33:36
○ 2015-07-05 12:23:50
○ 2026-07-31 05:57:16

●A76.76.21.212026-04-08 → 2026-07-31 · 3 obs

○ 2018-09-10 06:16:46
● 2026-04-08 04:18:12
● 2026-07-31 05:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
masterdev.com.br	e.sec.dns.br, f.sec.dns.br	-

✅ Authoritative Response

Server:200.189.40.14

NS records: e.sec.dns.br, f.sec.dns.br

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 990ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`e.sec.dns.br, f.sec.dns.br`
MX	1	`masterdev-com-br.mail.protection.outlook`
TXT	2	`MS=ms25149590, v=spf1 include:spf.protection.outlook.co`
SOA	1	`e.sec.dns.br hostmaster.registro.br`

Analysis

IP Addresses

masterdev.com.br resolves to just one IP address, 76.76.21.21.

Two other host names, along with flchinawok.com, brainbase.no and cruisecritic.co.za, also share IP numbers with masterdev.com.br.

Name Servers

masterdev.com.br has two authoritative name servers — e.sec.dns.br and f.sec.dns.br.

masterdev.com.br shares its NS records with other domains, for example walkbrand.com.br, viagensdadanni.com.br, drogariarecife.com.br and two others.

There is at least partial name server overlap between masterdev.com.br and other domains — lebrune.com.br, marcenariabichodomato.com.br, expressoservicos.com.br and two more among them.

These name servers are routinely deployed together with the name servers d.sec.dns.br.

Both e.sec.dns.br and f.sec.dns.br have two IP addresses each. e.sec.dns.br resolves to 200.192.232.14 and 2001:12f8:b:1::14; f.sec.dns.br resolves to 200.189.40.14 and 2001:12f8:9:1::14.

Mail Servers

The sole mail server for masterdev.com.br is masterdev-com-br.mail.protection.outlook.com.

With 8 IP addresses total, masterdev-com-br.mail.protection.outlook.com resolves to 52.101.198.0, 52.101.198.1, 52.101.198.38 and 5 others.