officesystem.com.br - dns.ninja

`officesystem.com.br`

DNSSEC	⚠️ Not signed
A	18.220.65.152^{🇺🇸 Amazon18.220.0.0/14 EC2 CMH prefix}
		PTR	`ec2-18-220-65-152.us-east-2.compute.amazonaws.com`
NS	`ns-262.awsdns-32.com` ⭐
		A	2600:9000:5301:600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-262.awsdns-32.com`
		A	205.251.193.6^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-262.awsdns-32.com`
NS	`ns-1081.awsdns-07.org`
		A	2600:9000:5304:3900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1081.awsdns-07.org`
		A	205.251.196.57^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1081.awsdns-07.org`
NS	`ns-2040.awsdns-63.co.uk`
		A	2600:9000:5307:f800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2040.awsdns-63.co.uk`
		A	205.251.199.248^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2040.awsdns-63.co.uk`
NS	`ns-742.awsdns-28.net`
		A	2600:9000:5302:e600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-742.awsdns-28.net`
		A	205.251.194.230^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-742.awsdns-28.net`
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`⁽³⁰⁾
		A	200.234.204.130^{🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA}
			PTR	`mx.jk.locaweb.com.br`
TXT	`MS=2456206E91BBCAF0C597E2827CD7567C8F93E19F`
TXT	`v=spf1 include:_spf.locaweb.com.br include:spf.protection.outlook.com include...`
SOA	`ns-262.awsdns-32.com`awsdns-hostmaster@amazon.com serial=202104061

`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=2026185282

WOT: UNKNOWN (60/100)
rank #558114 globally
rank #4138 in the tld
WOT: SAFE (69/100)

Subdomains

www.officesystem.com.br

Same first word

Similar names

systemoffice.it

systemoffice.ru

systemoffice.eu

systemoffice.de

systemoffice.com

DNS History

18 records (9 active, 9 former)

○NSds01.vdomain.bewnet.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 17:56:38
○ 2015-06-12 17:30:18
○ 2026-07-04 12:01:26

○NSmarte.bewnet.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 17:56:38
○ 2015-06-12 17:30:18
○ 2026-07-04 12:01:26

●NSns-1081.awsdns-07.org2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●NSns-2040.awsdns-63.co.uk2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●NSns-262.awsdns-32.com2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●NSns-742.awsdns-28.net2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

○NSns1.dominios.uol.com.br2015-06-12 → 2017-04-19 · 5 obs

○ 2009-01-10 17:56:38
● 2015-06-12 17:30:18
● 2017-04-19 01:42:28
○ 2021-06-16 14:34:02
○ 2026-07-04 12:01:26

○NSns2.dominios.uol.com.br2015-06-12 → 2017-04-19 · 5 obs

○ 2009-01-10 17:56:38
● 2015-06-12 17:30:18
● 2017-04-19 01:42:28
○ 2021-06-16 14:34:02
○ 2026-07-04 12:01:26

○NSns3.dominios.uol.com.br2015-06-12 → 2017-04-19 · 5 obs

○ 2009-01-10 17:56:38
● 2015-06-12 17:30:18
● 2017-04-19 01:42:28
○ 2021-06-16 14:34:02
○ 2026-07-04 12:01:26

○MXds01.vdomain.bewnet.com.br2009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 17:56:38
○ 2015-06-12 17:30:18
○ 2026-07-04 12:01:26

●MXmx.a.locaweb.com.br2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●MXmx.b.locaweb.com.br2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●MXmx.core.locaweb.com.br2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

●MXmx.jk.locaweb.com.br2021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

○MXmx.uhserver.com2015-06-12 → 2017-04-19 · 5 obs

○ 2009-01-10 17:56:38
● 2015-06-12 17:30:18
● 2017-04-19 01:42:28
○ 2021-06-16 14:34:02
○ 2026-07-04 12:01:26

●A18.220.65.1522021-06-16 → 2026-07-04 · 3 obs

○ 2017-04-19 01:42:28
● 2021-06-16 14:34:02
● 2026-07-04 12:01:26

○A187.17.111.992015-06-12 → 2017-04-19 · 5 obs

○ 2009-01-10 17:56:38
● 2015-06-12 17:30:18
● 2017-04-19 01:42:28
○ 2021-06-16 14:34:02
○ 2026-07-04 12:01:26

○A200.219.198.2102009-01-10 → 2009-01-10 · 3 obs

● 2009-01-10 17:56:38
○ 2015-06-12 17:30:18
○ 2026-07-04 12:01:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, f.dns.br, d.dns.br, e.dns.br...	-
officesystem.com.br	ns-2040.awsdns-63.co.uk, ns-742.awsdns-28.net, ns-262.awsdns-32.com, ns-1081.awsdns-07.org	-

✅ Authoritative Response

Server:205.251.193.6

NS records: ns-2040.awsdns-63.co.uk, ns-742.awsdns-28.net, ns-262.awsdns-32.com, ns-1081.awsdns-07.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 782ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.220.65.152`
NS	4	`ns-1081.awsdns-07.org, ns-2040.awsdns-63.co.uk...`
MX	4	`mx.core.locaweb.com.br (pri: 10), mx.a.locaweb.com.br (pri: 20)...`
TXT	2	`MS=2456206E91BBCAF0C597E2827CD7567C8F93E, v=spf1 include:_spf.locaweb.com.br inclu`
SOA	1	`ns-262.awsdns-32.com awsdns-hostmaster.a`

Analysis

Hierarchy

www.officesystem.com.br is a subdomain of officesystem.com.br.

IP Addresses

officesystem.com.br points to a single IP number: 18.220.65.152.

Host names such as ec2-18-220-65-152.us-east-2.compute.amazonaws.com, www.officesystem.com.br and masterkey.com.br share their IP numbers with officesystem.com.br.

Name Servers

officesystem.com.br has four authoritative name servers: ns-262.awsdns-32.com, ns-742.awsdns-28.net, ns-1081.awsdns-07.org and ns-2040.awsdns-63.co.uk.

The name servers of officesystem.com.br overlap at least partially with those of other domains — among them zoomapps.cloud, imobiline.com.br, hindsiteind.com and two more.

The name servers ns-1770.awsdns-29.co.uk, ns-602.awsdns-11.net and ns-1461.awsdns-54.org are commonly seen alongside these name servers.

Each of the four hosts ns-262.awsdns-32.com, ns-742.awsdns-28.net, ns-1081.awsdns-07.org and ns-2040.awsdns-63.co.uk has two IP addresses. ns-262.awsdns-32.com points to 205.251.193.6 and 2600:9000:5301:600::1. ns-742.awsdns-28.net points to 205.251.194.230 and 2600:9000:5302:e600::1. ns-1081.awsdns-07.org points to 205.251.196.57 and 2600:9000:5304:3900::1. ns-2040.awsdns-63.co.uk points to 205.251.199.248 and 2600:9000:5307:f800::1.

Mail Servers

Mail for officesystem.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.

officesystem.com.br shares mail servers — at least in part — with other domains, including linkvoice.com.br, rpmsistemas.com.br, texmark.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.