`smtpdr.constructel.net`

DNSSEC	⚠️ Not signed
A	193.37.153.37^{🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA}
		PTR	`visaconnect2.grupovisabeira.com`

`constructel.net`

	DNSSEC	⚠️ Not signed
	A	135.236.100.162^{🇺🇸 Microsoft135.236.0.0/15}
	NS	`grupovisa2.grupovisabeira.pt` ⭐ ⚠️ Not in parent delegation
	NS	`grupovisa.grupovisabeira.com` ⚠️ Not in zone NS records
	NS	`grupovisa.grupovisabeira.pt` ⚠️ Not in parent delegation
	NS	`grupovisa2.grupovisabeira.com` ⚠️ Not in zone NS records
	NS	`gvexternaldnsstage.grupovisabeira.pt` ⚠️ Not in parent delegation
	MX	`smtp.constructel.net` ⭐
	MX	`smtpdr.constructel.net`⁽⁵⁰⁾
	TXT	`v=spf1 mx:smtp.constructel.net mx:smtpdr.constructel.net ip4:194.65.74.129 ip...`
	SOA	`grupovisa.grupovisabeira.pt`hostmaster@grupovisabeira.pt serial=38

MX for

constructel.net

Similar names

dmpstr.com

dpstrm.com

DNS History

2 records (1 active, 1 former)

●A193.37.153.372015-06-17 → 2026-03-26 · 5 obs

● 2015-06-17 14:23:10
● 2016-03-29 08:35:22
○ 2016-06-16 21:31:28
● 2026-02-16 14:45:58
● 2026-03-26 06:38:26

○A194.65.74.1322016-06-16 → 2016-06-16 · 4 obs

○ 2016-03-29 08:35:22
● 2016-06-16 21:31:28
○ 2026-02-16 14:45:58
○ 2026-03-26 06:38:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
constructel.net	grupovisa.grupovisabeira.com, grupovisa2.grupovisabeira.com	-

✅ Authoritative Response

Server:193.37.153.70

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructel.net (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.37.153.37`

Analysis

Mail Server Role

smtpdr.constructel.net serves as the mail server for constructel.net.

smtp.constructel.net is commonly used as a mail server with smtpdr.constructel.net.

IP Addresses

smtpdr.constructel.net points to IP number 193.37.153.37.

For instance, other host names smtpdr.visabeiraturismo.pt, smtpdr.riastone.pt, visaconnect2.grupovisabeira.com, smtpdr.iutel.pt and smtpdr.visabeiraimobiliaria.pt share IP numbers with smtpdr.constructel.net.

smtpdr.constructel.net - robtex.com