constructel.com - robtex.com
constructel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 135.236.100.162🇺🇸 Microsoft135.236.0.0/15 | ||||||
| NS | grupovisa2.grupovisabeira.pt ⭐ | ||||||
| A | 193.37.153.70🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA | ||||||
| PTR | grupovisa2.grupovisabeira.pt | ||||||
| NS | grupovisa.grupovisabeira.pt | ||||||
| A | 194.65.74.130🇵🇹 MEO-RESIDENCIAL194.65.0.0/16 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. | ||||||
| PTR | gvexternaldnsstage.grupovisabeira.pt | ||||||
| NS | gvexternaldnsstage.grupovisabeira.pt ⚠️ Not in parent delegation | ||||||
| A | 194.65.74.130🇵🇹 MEO-RESIDENCIAL194.65.0.0/16 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. | ||||||
| PTR | gvexternaldnsstage.grupovisabeira.pt | ||||||
| MX | smtp.constructel.com ⭐ | ||||||
| A | 194.65.74.133🇵🇹 MEO-RESIDENCIAL194.65.0.0/16 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. | ||||||
| PTR | smtp.visabeirahouse.com | ||||||
| PTR | smtp.visacasa.pt | ||||||
| PTR | smtp.mail.beontech.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 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774520582 | ||||||
Subdomains
Same first word
constructel.de |
constructel.fr |
constructel.net |
constructel.com |
Similar names
DNS History
11 records (5 active, 6 former)
○NSbuy.internettraffic.com2015-06-27 → 2016-04-24 · 4 obs
● 2016-04-24 08:34:18
○ 2017-03-14 19:13:50
○ 2026-03-26 10:51:52
●NSgrupovisa.grupovisabeira.pt2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 12:55:52
● 2026-03-26 10:51:52
●NSgrupovisa2.grupovisabeira.pt2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 12:55:52
● 2026-03-26 10:51:52
●NSgvexternaldnsstage.grupovisabeira.pt2026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 12:55:52
● 2026-03-26 10:51:52
○NSns1.uniregistrymarket.link2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 19:13:50
○ 2026-02-19 12:55:52
○ 2026-03-26 10:51:52
○NSns2.uniregistrymarket.link2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 19:13:50
○ 2026-02-19 12:55:52
○ 2026-03-26 10:51:52
○NSsell.internettraffic.com2015-06-27 → 2016-04-24 · 4 obs
● 2016-04-24 08:34:18
○ 2017-03-14 19:13:50
○ 2026-03-26 10:51:52
●MXsmtp.constructel.com2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 10:51:52
●A135.236.100.1622026-02-19 → 2026-03-26 · 3 obs
● 2026-02-19 12:55:52
● 2026-03-26 10:51:52
○A69.172.201.1532016-04-24 → 2017-03-14 · 5 obs
● 2016-04-24 08:34:18
● 2017-03-14 19:13:50
○ 2026-02-19 12:55:52
○ 2026-03-26 10:51:52
○A69.172.201.2082015-06-27 → 2016-02-06 · 4 obs
● 2016-02-06 20:41:46
○ 2016-04-24 08:34:18
○ 2026-03-26 10:51:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, d.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: 1791ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 135.236.100.162 |
| NS | 3 | grupovisa2.grupovisabeira.pt, gvexternaldnsstage.grupovisabeira.pt... |
| MX | 1 | smtp.constructel.com (pri: 10) |
| TXT | 2 | MS=ms38165378, v=spf1 ip4:194.65.74.129 ip4:194.65.74.1 |
| SOA | 1 | grupovisa.grupovisabeira.pt hostmaster.g |
Analysis
Hierarchy
constructel.com is parent of smtpdr.constructel.com and smtp.constructel.com.
IP Addresses
constructel.com points to a single IP number: 135.236.100.162.
other host names for instance squisito.pt, www.squisito.pt, osmelhoresanos.com, imovisa.co.mz and iutel.pt share IP numbers with constructel.com.
Name Servers
constructel.com is delegated to three name servers: grupovisa2.grupovisabeira.pt, grupovisa.grupovisabeira.pt and gvexternaldnsstage.grupovisabeira.pt.
constructel.com at least partially shares name servers with other domains, for instance visabeiraindustria.com, edivisa.pt, riastone.pt, zambezerestaurante.pt and constructelenergie.fr.
These name servers are often used with grupovisa2.grupovisabeira.com and grupovisa.grupovisabeira.com.
Host names with a single IP:
grupovisa2.grupovisabeira.pt points to 193.37.153.70.
grupovisa.grupovisabeira.pt points to 194.65.74.130.
gvexternaldnsstage.grupovisabeira.pt points to 194.65.74.130.
Host names that point to 194.65.74.130: grupovisa.grupovisabeira.pt and gvexternaldnsstage.grupovisabeira.pt.
Mail Servers
constructel.com is handled by a single mail server, smtp.constructel.com.
Host name smtp.constructel.com points to IP address 194.65.74.133.