`numerocerto.com.br`

DNSSEC	⚠️ Not signed
A	191.252.83.204^{🇧🇷 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`hostmaster@locaweb.com.br 2022-03-10 #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 2026-10-21 #12

rank #536177 globally
rank #3972 in the tld
WOT: SAFE (69/100)

Subdomains

www.numerocerto.com.br

Same first word

numerocerto.com.br

DNS History

15 records (8 active, 7 former)

●NSns1.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

○NSns1.numerocerto.com.br2015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

●NSns2.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

○NSns2.numerocerto.com.br2015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

●NSns3.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

○MXmx.a.correio.biz2015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

●MXmx.a.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

○MXmx.b.correio.biz2015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

●MXmx.b.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

●MXmx.core.locaweb.com.br2026-04-08 → 2026-04-12 · 3 obs

○ 2017-01-01 00:58:34
● 2026-04-08 12:54:48
● 2026-04-12 04:45:26

○MXmx.jk.correio.biz2015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

●MXmx.jk.locaweb.com.br2017-01-01 → 2026-04-12 · 3 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2026-04-12 04:45:26

○A186.202.126.1572015-07-01 → 2016-04-21 · 4 obs

● 2015-07-01 22:19:52
● 2016-04-21 11:31:56
○ 2017-01-01 00:58:34
○ 2026-04-12 04:45:26

○A191.252.24.2262017-01-01 → 2018-01-04 · 5 obs

○ 2016-04-21 11:31:56
● 2017-01-01 00:58:34
● 2018-01-04 10:28:38
○ 2026-04-08 12:54:48
○ 2026-04-12 04:45:26

●A191.252.83.2042026-04-08 → 2026-04-12 · 3 obs

○ 2018-01-04 10:28:38
● 2026-04-08 12:54:48
● 2026-04-12 04:45:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:186.202.8.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 536ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.252.83.204`
NS	3	`ns1.locaweb.com.br, ns2.locaweb.com.br...`
MX	4	`mx.jk.locaweb.com.br (pri: 20), mx.a.locaweb.com.br (pri: 20)...`
TXT	1	`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 (ns3.locaweb.com.br, ns2.locaweb.com.br, ns1.locaweb.com.br...)

Analysis

Hierarchy

www.numerocerto.com.br is a child of numerocerto.com.br.

IP Addresses

numerocerto.com.br resolves to one IP number: 191.252.83.204.

Other host names, for instance digitalcomunic.com.br, sacamotocontabilidade.com.br, vivaaer.com.br, consignar.com.br and hblaw.com.br share IP numbers with numerocerto.com.br.

Name Servers

numerocerto.com.br is delegated to three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

numerocerto.com.br at least partially shares name servers with other domains, including 3stecnologia.com.br, advocaciaborges.adv.br, sbop.com.br, cethel.com.br and horainglesa.com.br.

Host names with two IP numbers:

ns1.locaweb.com.br: 2804:218:7000:0:186:202:8:254 and 186.202.8.254

ns2.locaweb.com.br: 2804:218:7001:0:187:45:248:254 and 187.45.248.254

ns3.locaweb.com.br: 2804:218:7002:0:189:126:101:254 and 189.126.101.254

Mail Servers

numerocerto.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.

numerocerto.com.br shares at least some mail servers with other domains, for example kuara.com.br, medicao.net, outnow.com.br, wartetelas.com.br and useanimar.com.br.

Host names with one IP number:

mx.a.locaweb.com.br points to 186.202.4.42; mx.b.locaweb.com.br points to 177.153.23.242; mx.core.locaweb.com.br points to 177.153.23.241; mx.jk.locaweb.com.br points to 200.234.204.130.

numerocerto.com.br - robtex.com