mastersync.com.br - dns.ninja

`mastersync.com.br`

DNSSEC	⚠️ Not signed
A	186.202.151.72^{🇧🇷 Locaweb186.202.128.0/19 Servicos de Internet SA}
		PTR	`hmw9309.publiccloud.com.br`
NS	`ns1.locaweb.com.br` ⭐
		A	2804:218:7000:0:186:202:8:254^{🇧🇷 Locaweb2804:218:7000::/48}
		A	186.202.8.254^{🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA}
NS	`ns2.locaweb.com.br`
		A	2804:218:7001:0:187:45:248:254^{🇧🇷 Locaweb2804:218:7001::/48}
		A	187.45.248.254^{🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA}
NS	`ns3.locaweb.com.br`
		A	2804:218:7002:0:189:126:101:254^{🇧🇷 Locaweb2804:218:7002::/48}
		A	189.126.101.254^{🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA}
MX	`mx.core.locaweb.com.br` ⭐
		A	177.153.23.241^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.core.locaweb.com.br`
MX	`mx.a.locaweb.com.br`⁽²⁰⁾
		A	186.202.4.42^{🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA}
			PTR	`mx.a.locaweb.com.br`
MX	`mx.b.locaweb.com.br`⁽²⁰⁾
		A	177.153.23.242^{🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA}
			PTR	`mx.b.locaweb.com.br`
MX	`mx.jk.locaweb.com.br`⁽²⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`_globalsign-domain-verification=yx0-JA_4bk29sp8hbkaEzjNZipH1xuqfu5Zgm31iZy`
TXT	`v=spf1 include:_spf.locaweb.com.br -all`
SOA	`ns1.locaweb.com.br`hostmaster@locaweb.com.br 2025-12-30 #1

`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=2026192344

rank #541531 globally
rank #4021 in the tld
WOT: SAFE (69/100)

Same first word

mastersync.herokuapp.com

mastersync.com.br

mastersync.com

Similar names

DNS History

13 records (8 active, 5 former)

○NSns0.wixdns.net2018-10-04 → 2018-10-04 · 4 obs

○ 2017-01-09 17:09:44
● 2018-10-04 12:35:44
○ 2026-03-09 07:54:40
○ 2026-07-11 14:33:38

●NSns1.locaweb.com.br2015-05-06 → 2026-07-11 · 5 obs

● 2015-05-06 03:18:12
● 2017-01-09 17:09:44
○ 2018-10-04 12:35:44
● 2026-03-09 07:54:40
● 2026-07-11 14:33:38

○NSns1.wixdns.net2018-10-04 → 2018-10-04 · 4 obs

○ 2017-01-09 17:09:44
● 2018-10-04 12:35:44
○ 2026-03-09 07:54:40
○ 2026-07-11 14:33:38

●NSns2.locaweb.com.br2015-05-06 → 2026-07-11 · 5 obs

● 2015-05-06 03:18:12
● 2017-01-09 17:09:44
○ 2018-10-04 12:35:44
● 2026-03-09 07:54:40
● 2026-07-11 14:33:38

●NSns3.locaweb.com.br2015-05-06 → 2026-07-11 · 5 obs

● 2015-05-06 03:18:12
● 2017-01-09 17:09:44
○ 2018-10-04 12:35:44
● 2026-03-09 07:54:40
● 2026-07-11 14:33:38

●MXmx.a.locaweb.com.br2015-05-06 → 2026-07-11 · 2 obs

● 2015-05-06 03:18:12
● 2026-07-11 14:33:38

●MXmx.b.locaweb.com.br2015-05-06 → 2026-07-11 · 2 obs

● 2015-05-06 03:18:12
● 2026-07-11 14:33:38

●MXmx.core.locaweb.com.br2015-05-06 → 2026-07-11 · 2 obs

● 2015-05-06 03:18:12
● 2026-07-11 14:33:38

●MXmx.jk.locaweb.com.br2015-05-06 → 2026-07-11 · 2 obs

● 2015-05-06 03:18:12
● 2026-07-11 14:33:38

●A186.202.151.722016-04-10 → 2026-07-11 · 6 obs

○ 2016-01-04 00:14:34
● 2016-04-10 05:55:48
● 2017-01-09 17:09:44
○ 2018-10-04 12:35:44
● 2026-03-09 07:54:40
● 2026-07-11 14:33:38

○A186.202.53.1692015-10-16 → 2016-01-04 · 5 obs

○ 2015-05-06 03:18:12
● 2015-10-16 13:44:10
● 2016-01-04 00:14:34
○ 2016-04-10 05:55:48
○ 2026-07-11 14:33:38

○A187.45.193.652015-05-06 → 2015-05-06 · 3 obs

● 2015-05-06 03:18:12
○ 2015-10-16 13:44:10
○ 2026-07-11 14:33:38

○A23.236.62.1472018-10-04 → 2018-10-04 · 4 obs

○ 2017-01-09 17:09:44
● 2018-10-04 12:35:44
○ 2026-03-09 07:54:40
○ 2026-07-11 14:33:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, e.dns.br...	-
mastersync.com.br	ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br	6 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 mastersync.com.br (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`186.202.151.72`
NS	3	`ns3.locaweb.com.br, ns1.locaweb.com.br...`
MX	4	`mx.core.locaweb.com.br (pri: 10), mx.jk.locaweb.com.br (pri: 20)...`
TXT	2	`_globalsign-domain-verification=yx0-JA_4, v=spf1 include:_spf.locaweb.com.br -all`
SOA	1	`ns1.locaweb.com.br hostmaster.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

mastersync.com.br points to a single IP number: 186.202.151.72.

Additional host names — pluspark.com.br, prestomedrio.com.br, hmw9309.publiccloud.com.br and two others — share IP numbers with mastersync.com.br.

Name Servers

DNS for mastersync.com.br is handled by three authoritative name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

mastersync.com.br shares at least some of its name servers with other domains, including parlamentoconsultoria.com.br, rbsmi.org.br, goolads.com and two others.

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

Mail Servers

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

mastersync.com.br shares mail servers — at least in part — with other domains, including comercialcalhau.com.br, mellyd.com.br, vimaster.ind.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.