oswf.org.br - robtex.com

oswf.org.br

DNSSEC⚠️ Not signed
A186.202.153.148🇧🇷 Locaweb186.202.152.0/22 Servicos de Internet SA
PTRhm8209.locaweb.com.br
NSns1.locaweb.com.br ⭐
A2804:218:7000:0:186:202:8:254🇧🇷 Locaweb2804:218:7000::/48
A186.202.8.254🇧🇷 Locaweb186.202.8.0/24 Servicos de Internet SA
NSns2.locaweb.com.br
A2804:218:7001:0:187:45:248:254🇧🇷 Locaweb2804:218:7001::/48
A187.45.248.254🇧🇷 Locaweb187.45.248.0/24 Servicos de Internet SA
NSns3.locaweb.com.br
A2804:218:7002:0:189:126:101:254🇧🇷 Locaweb2804:218:7002::/48
A189.126.101.254🇧🇷 Locaweb189.126.101.0/24 Servicos de Internet SA
MXmx.core.locaweb.com.br ⭐
A177.153.23.241🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.core.locaweb.com.br
MXmx.a.locaweb.com.br(20)
A186.202.4.42🇧🇷 Locaweb186.202.0.0/19 Servicos de Internet SA
PTRmx.a.locaweb.com.br
MXmx.b.locaweb.com.br(20)
A177.153.23.242🇧🇷 Locaweb177.153.0.0/19 Servicos de Internet SA
PTRmx.b.locaweb.com.br
MXmx.jk.locaweb.com.br(20)
A200.234.204.130🇧🇷 Locaweb200.234.192.0/20 Servicos de Internet SA
PTRmx.jk.locaweb.com.br
TXTv=spf1 include:_spf.locaweb.com.br -all
SOAns1.locaweb.com.brpostmaster@locaweb.com.br 2026-03-13 #2

org.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026128106
WOT: SAFE (99/100)

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DNS History

8 records (8 active, 0 former)

NSns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brMXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.brmx.jk.locaweb.com.brA186.202.153.148
●NSns1.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●NSns2.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●NSns3.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●MXmx.a.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●MXmx.b.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●MXmx.core.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●MXmx.jk.locaweb.com.br2026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50
●A186.202.153.1482026-04-24 → 2026-05-08 · 2 obs
● 2026-04-24 16:41:16
● 2026-05-08 04:42:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
oswf.org.brns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br-

✅ Authoritative Response

Server:187.45.248.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oswf.org.br (unsigned zone)

⏱️ Timing

Total: 1197ms | Queries: -

📄 Records

TypeCountSample Data
A1186.202.153.148
NS3ns3.locaweb.com.br, ns1.locaweb.com.br...
MX4mx.a.locaweb.com.br (pri: 20), mx.b.locaweb.com.br (pri: 20)...
TXT1v=spf1 include:_spf.locaweb.com.br -all
SOA1ns1.locaweb.com.br postmaster.locaweb.co

Analysis

IP Addresses

oswf.org.br resolves to one IP number: 186.202.153.148.

other host names including forja.org.br, grazmec.com.br, melhoresdoano.conasi.org.br, inctca.org.br and middia.com.br share IP numbers with oswf.org.br.

Name Servers

oswf.org.br is delegated to three name servers ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.

oswf.org.br at least partially shares name servers with other domains, for instance ainfotec.com.br, hairtoxx.com, intercop.com.br, portalsonoticias.com and avanutrionline.com.

Host names with two IP numbers:

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

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

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

Mail Servers

Four mail servers handle oswf.org.br: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.

oswf.org.br shares some mail servers with other domains, at least partially, for instance exata.ind.br, improcard.com.br, curso-eletronica-basica.com.br, engemanltda.com.br and redeorto.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.