mail.strfw.com.br - robtex.com

mail.strfw.com.br

DNSSEC⚠️ Not signed
A2804:ff4:bebe:cada:186:250:168:35🇧🇷 UNSPECIFIED2804:ff4:8000::/33 Speedservice Telecomunicacoes LTDA (AS53218)
PTRdns1.speedrs.com.br
A186.250.168.35🇧🇷 UNSPECIFIED186.250.168.0/24 Speedservice Telecomunicacoes LTDA (AS53218)

strfw.com.br

DNSSEC⚠️ Not signed
A2804:ff4:bebe:cada:186:250:168:35🇧🇷 UNSPECIFIED2804:ff4:8000::/33 Speedservice Telecomunicacoes LTDA (AS53218)
A186.250.168.35🇧🇷 UNSPECIFIED186.250.168.0/24 Speedservice Telecomunicacoes LTDA (AS53218)
NSdns1.speedrs.com.br ⭐
NSdns2.speedrs.com.br
MXmail.strfw.com.br ⭐
TXTv=spf1 a mx -all
SOAdns1.speedrs.com.brroot@strfw.com.br 2024-10-09 #2

MX for

strfw.com.br

Same first word

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mail.vacations
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mail.gov.mz
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DNS History

3 records (2 active, 1 former)

A186.250.168.352804:ff4:bebe:cada:186:250:168:35186.250.168.5
●A186.250.168.352026-04-16 → 2026-05-09 · 2 obs
● 2026-04-16 02:34:00
● 2026-05-09 15:59:46
○A186.250.168.52026-04-16 → 2026-05-09 · 2 obs
○ 2026-04-16 02:34:00
○ 2026-05-09 15:59:46
●A2804:ff4:bebe:cada:186:250:168:352026-04-16 → 2026-05-09 · 2 obs
● 2026-04-16 02:34:00
● 2026-05-09 15:59:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, c.dns.br, b.dns.br, d.dns.br...-
strfw.com.brdns1.speedrs.com.br, dns2.speedrs.com.br-

✅ Authoritative Response

Server:186.250.168.36

NS records: dns1.speedrs.com.br, dns2.speedrs.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1523ms | Queries: -

📄 Records

TypeCountSample Data
A1186.250.168.35
AAAA12804:ff4:bebe:cada:186:250:168:35

Analysis

Mail Server Role

mail.strfw.com.br serves as the mail server for strfw.com.br.

IP Addresses

The entity mail.strfw.com.br points to two IP numbers: 2804:ff4:bebe:cada:186:250:168:35 and 186.250.168.35.

For instance, other host names mail.speedrs.com, marchioro.eng.br, grupohermes.net.br, strfw.com.br and pop.camarairai.rs.gov.br share IP numbers with mail.strfw.com.br.