mail.big4web.com.br - robtex.com

mail.big4web.com.br

DNSSEC⚠️ Not signed
A192.185.223.172🇺🇸 Jacksonville192.185.216.0/21
PTRsrv126-ip04.prodns.com.br

big4web.com.br

DNSSEC⚠️ Not signed
A192.185.223.172🇺🇸 Jacksonville192.185.216.0/21
NSns1.virtualjanela.com.br ⭐
NSns2.virtualjanela.com.br
MXmail.big4web.com.br ⭐
TXTv=spf1 a mx include:websitewelcome.com ~all
SOAns1.virtualjanela.com.brrenato@airinfo.com.br 2026-04-27 #23

MX for

big4web.com.br

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DNS History

1 record (1 active, 0 former)

202120222023202420252026A192.185.223.172
●A192.185.223.1722020-01-21 → 2026-04-28 · 2 obs
● 2020-01-21 23:24:20
● 2026-04-28 08:16:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, c.dns.br, e.dns.br, d.dns.br...-
big4web.com.brns2.virtualjanela.com.br, ns1.virtualjanela.com.br2 records

✅ Authoritative Response

Server:192.185.223.170

NS records: ns2.virtualjanela.com.br, ns1.virtualjanela.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for big4web.com.br (unsigned zone)

⏱️ Timing

Total: 702ms | Queries: -

📄 Records

TypeCountSample Data
A1192.185.223.172

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.virtualjanela.com.br, ns1.virtualjanela.com.br)

Analysis

Mail Server Role

mail.big4web.com.br functions as a mail server for big4web.com.br.

IP Addresses

mail.big4web.com.br points to IP number: 192.185.223.172.

Other host names such as fadigitalmedia.com.br, mail.ribercalhas.com.br, mail.cyz.ind.br, big4web.com.br and santacasadi.com.br share IPs with mail.big4web.com.br.