smtpdr.constructel.com - robtex.com
smtpdr.constructel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.37.153.37🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA | ||||||
| PTR | visaconnect2.grupovisabeira.com | ||||||
constructel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 135.236.100.162🇺🇸 Microsoft135.236.0.0/15 | ||||||
| NS | grupovisa2.grupovisabeira.pt ⭐ | ||||||
| NS | grupovisa.grupovisabeira.pt | ||||||
| NS | gvexternaldnsstage.grupovisabeira.pt ⚠️ Not in parent delegation | ||||||
| MX | smtp.constructel.com ⭐ | ||||||
| TXT | MS=ms38165378 | ||||||
| TXT | v=spf1 ip4:194.65.74.129 ip4:194.65.74.131 ip4:194.65.74.133 ip4:193.37.153.3... | ||||||
| SOA | grupovisa.grupovisabeira.pthostmaster@grupovisabeira.pt serial=40 | ||||||
Similar names
DNS History
1 record (1 active, 0 former)
●A193.37.153.372026-02-19 → 2026-03-26 · 2 obs
● 2026-02-19 12:55:52
● 2026-03-26 23:29:44
● 2026-03-26 23:29:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net... | - |
| constructel.com | grupovisa.grupovisabeira.pt, grupovisa2.grupovisabeira.pt | - |
✅ Authoritative Response
Server:193.37.153.70
NS records: grupovisa.grupovisabeira.pt, grupovisa2.grupovisabeira.pt
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for constructel.com (unsigned zone)
⏱️ Timing
Total: 660ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.37.153.37 |
Analysis
IP Addresses
smtpdr.constructel.com resolves to one IP number: 193.37.153.37.
Other host names, for instance smtpdr.montebelohotels.com, smtpdr.visabeira.pt, smtpdr.montebeloaguieira.pt, smtpdr.bordallopinheiro.com and smtpdr.benetronica.com share IP numbers with smtpdr.constructel.com.