osw.com.br - robtex.com
osw.com.br
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.brhostmaster@registro.br 2026-11-10 #4 | ||||||
rank #4261 in the tld
WOT: SAFE (69/100)
Previously MX for
osw.com.br |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
●NSa.sec.dns.br2026-04-09 → 2026-04-21 · 3 obs
● 2026-04-09 22:22:22
● 2026-04-21 00:21:34
●NSc.sec.dns.br2026-04-09 → 2026-04-21 · 3 obs
● 2026-04-09 22:22:22
● 2026-04-21 00:21:34
○NSns.osw.com.br2015-08-21 → 2017-01-03 · 7 obs
● 2015-08-21 03:27:42
● 2015-12-18 09:41:14
○ 2016-04-15 18:56:34
● 2017-01-03 03:20:36
○ 2018-06-03 20:48:42
○ 2026-04-21 00:21:34
○NSns16.gsnoc.net2008-11-20 → 2008-11-20 · 3 obs
○ 2015-08-21 03:27:42
○ 2026-04-21 00:21:34
○NSns17.gsnoc.net2008-11-20 → 2008-11-20 · 3 obs
○ 2015-08-21 03:27:42
○ 2026-04-21 00:21:34
○NSns2.osw.com.br2015-08-21 → 2017-01-03 · 7 obs
● 2015-08-21 03:27:42
● 2015-12-18 09:41:14
○ 2016-04-15 18:56:34
● 2017-01-03 03:20:36
○ 2018-06-03 20:48:42
○ 2026-04-21 00:21:34
○MXmail.osw.com.br2015-08-21 → 2017-01-03 · 7 obs
● 2015-08-21 03:27:42
● 2015-12-18 09:41:14
○ 2016-04-15 18:56:34
● 2017-01-03 03:20:36
○ 2018-06-03 20:48:42
○ 2026-04-21 00:21:34
●MXmx01.mail.icloud.com2026-04-09 → 2026-04-21 · 3 obs
● 2026-04-09 22:22:22
● 2026-04-21 00:21:34
●MXmx02.mail.icloud.com2026-04-09 → 2026-04-21 · 3 obs
● 2026-04-09 22:22:22
● 2026-04-21 00:21:34
○MXosw.com.br2008-11-20 → 2008-11-20 · 3 obs
○ 2015-08-21 03:27:42
○ 2026-04-21 00:21:34
○A167.114.76.2392015-08-21 → 2017-01-03 · 7 obs
● 2015-08-21 03:27:42
● 2015-12-18 09:41:14
○ 2016-04-15 18:56:34
● 2017-01-03 03:20:36
○ 2018-06-03 20:48:42
○ 2026-04-21 00:21:34
○A64.22.110.1542008-11-20 → 2008-11-20 · 3 obs
○ 2015-08-21 03:27:42
○ 2026-04-21 00:21:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | c.dns.br, a.dns.br, b.dns.br, f.dns.br... | - |
| osw.com.br | a.sec.dns.br, c.sec.dns.br | - |
✅ Authoritative Response
Server:200.189.40.11
NS records: a.sec.dns.br, c.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1094ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | c.sec.dns.br, a.sec.dns.br |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 2 | apple-domain=Df2VdCzTxNnPsdMf, v=spf1 include:icloud.com ~all |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
Name Servers
Two name servers a.sec.dns.br and c.sec.dns.br handle the delegation for osw.com.br.
osw.com.br shares the same name server setup as other domains, for instance campanelli.agr.br, aclaro.com.br, ardalambion.com.br, freewear.com.br and powerupinfo.com.br.
osw.com.br at least partially shares name servers with other domains, for instance informatiza.tec.br, frilima.com.br, isp.com.br, proautoveiculos.com.br and qapmax.com.br.
These name servers are commonly used alongside b.sec.dns.br.
Host names with two IP numbers:
a.sec.dns.br points to 2001:12ff::11 and 200.160.0.11.
c.sec.dns.br points to 2001:12f8:9:1::11 and 200.189.40.11.
Mail Servers
osw.com.br is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.
osw.com.br uses the same mail server setup as other domains, for instance voyager.email, warhoon.com, tcenigma.net, wdn2.com and jonas.do.
osw.com.br shares at least some mail servers with other domains, for instance brooks4.com.
Host names with six IP numbers
mx01.mail.icloud.com and mx02.mail.icloud.com each point to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30
Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com
Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com
Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com
Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com
Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com
Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com