`masterlabrs.com.br`

DNSSEC	⚠️ Not signed
A	191.252.83.214^{🇧🇷 Locaweb191.252.80.0/22 Servicos de Internet SA}
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	`v=spf1 include:_spf.locaweb.com.br -all`
SOA	`ns1.locaweb.com.br`postmaster@locaweb.com.br 2024-09-10 #31

`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=2026224572

rank #535162 globally
rank #3733 in the tld
WOT: SAFE (69/100)

Previously MX for

masterlabrs.com.br

Same first word

masterlabrs.com.br

Similar names

smarterlabs.com

abstralrems.com

DNS History

13 records (8 active, 5 former)

○NSns1.indianabrush.com.br2015-06-03 → 2017-02-15 · 4 obs

● 2015-06-03 17:23:48
● 2017-02-15 20:07:18
○ 2026-03-18 04:50:16
○ 2026-08-12 23:51:56

●NSns1.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

○NSns2.indianabrush.com.br2015-06-03 → 2017-02-15 · 4 obs

● 2015-06-03 17:23:48
● 2017-02-15 20:07:18
○ 2026-03-18 04:50:16
○ 2026-08-12 23:51:56

●NSns2.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

●NSns3.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

○MXmasterlabrs.com.br2015-06-03 → 2017-02-15 · 4 obs

● 2015-06-03 17:23:48
● 2017-02-15 20:07:18
○ 2026-03-18 04:50:16
○ 2026-08-12 23:51:56

●MXmx.a.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

●MXmx.b.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

●MXmx.core.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

●MXmx.jk.locaweb.com.br2026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

○A158.69.3.1752015-10-27 → 2017-02-15 · 5 obs

○ 2015-06-03 17:23:48
● 2015-10-27 15:59:56
● 2017-02-15 20:07:18
○ 2026-03-18 04:50:16
○ 2026-08-12 23:51:56

○A187.45.180.2412015-06-03 → 2015-06-03 · 3 obs

● 2015-06-03 17:23:48
○ 2015-10-27 15:59:56
○ 2026-08-12 23:51:56

●A191.252.83.2142026-03-18 → 2026-08-12 · 3 obs

○ 2017-02-15 20:07:18
● 2026-03-18 04:50:16
● 2026-08-12 23:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, e.dns.br, b.dns.br, d.dns.br...	-
masterlabrs.com.br	ns2.locaweb.com.br, ns3.locaweb.com.br, ns1.locaweb.com.br	6 records

✅ Authoritative Response

Server:187.45.248.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 613ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.252.83.214`
NS	3	`ns2.locaweb.com.br, ns1.locaweb.com.br...`
MX	4	`mx.b.locaweb.com.br (pri: 20), mx.core.locaweb.com.br (pri: 10)...`
TXT	1	`v=spf1 include:_spf.locaweb.com.br -all`
SOA	1	`ns1.locaweb.com.br postmaster.locaweb.co`

📌 Glue Records Collected

Total: 6

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

Analysis

IP Addresses

masterlabrs.com.br directs to one IP number, which is 191.252.83.214.

Among the host names that share IP numbers with masterlabrs.com.br are movelpar.com.br, kvdias.com.br, socomputer.com.br and two others.

Name Servers

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

The name servers of masterlabrs.com.br overlap at least partially with those of other domains — among them interacaoconsultoria.com, compretintas.com.br, institutoacessobrasil.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

Mail for masterlabrs.com.br is handled by four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

masterlabrs.com.br shares at least some of its mail servers with other domains — for example netsend.com.br, feiradolivrosm.com.br, solart.com.br 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.

masterlabrs.com.br - robtex.com