smtp.constructel.com - robtex.com

smtp.constructel.com

DNSSEC⚠️ Not signed
A194.65.74.133🇵🇹 MEO-RESIDENCIAL194.65.0.0/16 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.
PTRsmtp.visabeirahouse.com
PTRsmtp.visacasa.pt
PTRsmtp.mail.beontech.com

constructel.com

DNSSEC⚠️ Not signed
A135.236.100.162🇺🇸 Microsoft135.236.0.0/15
NSgrupovisa2.grupovisabeira.pt ⭐
NSgrupovisa.grupovisabeira.pt
NSgvexternaldnsstage.grupovisabeira.pt ⚠️ Not in parent delegation
MXsmtp.constructel.com ⭐
TXTMS=ms38165378
TXTv=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:194.65.74.133 ip4:193.37.153.3...
SOAgrupovisa.grupovisabeira.pthostmaster@grupovisabeira.pt serial=40

MX for

constructel.com

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DNS History

1 record (1 active, 0 former)

A194.65.74.133
●A194.65.74.1332026-02-19 → 2026-03-26 · 2 obs
● 2026-02-19 12:55:52
● 2026-03-26 14:02:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...-
constructel.comgrupovisa.grupovisabeira.pt, grupovisa2.grupovisabeira.pt-

✅ Authoritative Response

Server:194.65.74.130

NS records: grupovisa.grupovisabeira.pt, grupovisa2.grupovisabeira.pt

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructel.com (unsigned zone)

⏱️ Timing

Total: 1232ms | Queries: -

📄 Records

TypeCountSample Data
A1194.65.74.133

Analysis

Mail Server Role

smtp.constructel.com handles mail for constructel.com.

IP Addresses

smtp.constructel.com points to a single IP address: 194.65.74.133.

Other host names such as smtp.visabeira.pt, smtp.visabeiraglobal.com, smtp.visabeiraparticipacoes.com, smtp.toptalent.pt and smtp.vistaalegre.com share IPs with smtp.constructel.com.