`opensystem-ce.com.br`

DNSSEC	⚠️ Not signed
A	191.252.83.245^{🇧🇷 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 2022-06-08 #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=2026213022

rank #514606 globally
rank #3694 in the tld
WOT: SAFE (69/100)

Subdomains

ns1.opensystem-ce.com.br

ns3.opensystem-ce.com.br

ns2.opensystem-ce.com.br

Same first word

opensystem-ce.com.br

DNS History

20 records (8 active, 12 former)

○NSdns1.dnscenter.com.br2015-05-30 → 2017-08-11 · 4 obs

● 2015-05-30 11:11:36
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○NSdns2.dnscenter.com.br2015-05-30 → 2017-08-11 · 4 obs

● 2015-05-30 11:11:36
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○NSdns3.dnscenter.com.br2015-05-30 → 2017-08-11 · 4 obs

● 2015-05-30 11:11:36
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

●NSns1.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

○NSns1.opensystem-ce.com.br2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:11:36
○ 2015-10-28 10:34:44
○ 2026-08-01 01:02:14

●NSns2.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

●NSns3.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

●MXmx.a.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

●MXmx.b.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

●MXmx.core.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

●MXmx.jk.locaweb.com.br2026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

○MXrl02mta1.dnscenter.com.br2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:11:36
○ 2015-10-28 10:34:44
○ 2026-08-01 01:02:14

○MXrl02mta2.dnscenter.com.br2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:11:36
○ 2015-10-28 10:34:44
○ 2026-08-01 01:02:14

○MXrl02mta3.dnscenter.com.br2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:11:36
○ 2015-10-28 10:34:44
○ 2026-08-01 01:02:14

○MXrlcl03mta1.dnscenter.com.br2015-10-28 → 2017-08-11 · 5 obs

○ 2015-05-30 11:11:36
● 2015-10-28 10:34:44
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○MXrlcl03mta2.dnscenter.com.br2015-10-28 → 2017-08-11 · 5 obs

○ 2015-05-30 11:11:36
● 2015-10-28 10:34:44
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○MXrlcl03mta3.dnscenter.com.br2015-10-28 → 2017-08-11 · 5 obs

○ 2015-05-30 11:11:36
● 2015-10-28 10:34:44
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○A187.110.226.1302015-10-28 → 2017-08-11 · 5 obs

○ 2015-05-30 11:11:36
● 2015-10-28 10:34:44
● 2017-08-11 17:58:16
○ 2026-02-26 23:10:48
○ 2026-08-01 01:02:14

○A187.110.226.982015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:11:36
○ 2015-10-28 10:34:44
○ 2026-08-01 01:02:14

●A191.252.83.2452026-02-26 → 2026-08-01 · 3 obs

○ 2017-08-11 17:58:16
● 2026-02-26 23:10:48
● 2026-08-01 01:02:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	d.dns.br, a.dns.br, b.dns.br, c.dns.br...	-
opensystem-ce.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 opensystem-ce.com.br (unsigned zone)

⏱️ Timing

Total: 1456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.252.83.245`
NS	3	`ns1.locaweb.com.br, ns2.locaweb.com.br...`
MX	4	`mx.a.locaweb.com.br (pri: 20), mx.b.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 (ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br...)

Analysis

Hierarchy

The domain opensystem-ce.com.br is parent to ns1.opensystem-ce.com.br, ns3.opensystem-ce.com.br and ns2.opensystem-ce.com.br.

IP Addresses

opensystem-ce.com.br points to a single IP number: 191.252.83.245.

Additional host names — amgcustom.com, interalum.com.br, tapetemagia.com.br and two others — share IP numbers with opensystem-ce.com.br.

Name Servers

opensystem-ce.com.br is served by three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

At least some of opensystem-ce.com.br's name servers are shared with other domains, for example multipartes.com.br, sintur.com.br, loja.nitsign.com.br and two more.

These name servers tend to be used in conjunction with the name servers ns4.locaweb.com.br.

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

Mail Servers

Mail for opensystem-ce.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.

opensystem-ce.com.br shares mail servers — at least in part — with other domains, including gmda.com.br, inforserv.eti.br, canaplan.com.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.

opensystem-ce.com.br - robtex.com