constructel.net - dns.ninja

`constructel.net`

DNSSEC	⚠️ Not signed
A	135.236.100.162^{🇺🇸 Microsoft135.236.0.0/15}
NS	`grupovisa2.grupovisabeira.pt` ⭐ ⚠️ Not in parent delegation
		A	193.37.153.70^{🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA}
			PTR	`grupovisa2.grupovisabeira.pt`
NS	`grupovisa.grupovisabeira.com` ⚠️ Not in zone NS records
		A	194.65.74.130^{🇵🇹 MEO-RESIDENCIAL194.65.0.0/16 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.}
			PTR	`gvexternaldnsstage.grupovisabeira.pt`
NS	`grupovisa.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`
NS	`grupovisa2.grupovisabeira.com` ⚠️ Not in zone NS records
		A	193.37.153.70^{🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA}
			PTR	`grupovisa2.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.net` ⭐
		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`
MX	`smtpdr.constructel.net`⁽⁵⁰⁾
		A	193.37.153.37^{🇵🇹 VISABEIRA-DIGITAL-ASN193.37.153.0/24 VISABEIRA DIGITAL SA}
			PTR	`visaconnect2.grupovisabeira.com`
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

`net`

	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.net`nstld@verisign-grs.com serial=1786347874

PTR for

138.74.65.194.in-addr.arpa

Subdomains

pop3.constructel.net

www.constructel.net

smtpdr.constructel.net

smtp2.constructel.net

smtp.constructel.net

mail.constructel.net

Same first word

constructel.fr

constructel.net

constructel.com

constructel.de

Similar names

certconsult.ru

leconstruct.com

DNS History

13 records (8 active, 5 former)

○NSgrupovisa.constructel.net2015-06-13 → 2017-05-17 · 4 obs

● 2015-06-13 09:14:32
● 2017-05-17 05:34:56
○ 2026-02-16 14:45:58
○ 2026-08-10 08:05:52

●NSgrupovisa.grupovisabeira.com2026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

●NSgrupovisa.grupovisabeira.pt2026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

○NSgrupovisa2.constructel.net2015-06-13 → 2017-05-17 · 4 obs

● 2015-06-13 09:14:32
● 2017-05-17 05:34:56
○ 2026-02-16 14:45:58
○ 2026-08-10 08:05:52

●NSgrupovisa2.grupovisabeira.com2026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

●NSgrupovisa2.grupovisabeira.pt2026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

●NSgvexternaldnsstage.grupovisabeira.pt2026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

●MXsmtp.constructel.net2015-06-13 → 2026-08-10 · 2 obs

● 2015-06-13 09:14:32
● 2026-08-10 08:05:52

●MXsmtpdr.constructel.net2015-06-13 → 2026-08-10 · 2 obs

● 2015-06-13 09:14:32
● 2026-08-10 08:05:52

●A135.236.100.1622026-02-16 → 2026-08-10 · 3 obs

○ 2017-05-17 05:34:56
● 2026-02-16 14:45:58
● 2026-08-10 08:05:52

○A194.65.74.1322015-06-13 → 2016-03-05 · 4 obs

● 2015-06-13 09:14:32
● 2016-03-05 02:06:54
○ 2016-07-18 06:50:38
○ 2026-08-10 08:05:52

○A194.65.74.1342016-07-18 → 2016-07-18 · 4 obs

○ 2016-03-05 02:06:54
● 2016-07-18 06:50:38
○ 2017-05-17 05:34:56
○ 2026-08-10 08:05:52

○A194.65.74.1382017-05-17 → 2017-05-17 · 4 obs

○ 2016-07-18 06:50:38
● 2017-05-17 05:34:56
○ 2026-02-16 14:45:58
○ 2026-08-10 08:05:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, a.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: 897ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`135.236.100.162`
NS	3	`gvexternaldnsstage.grupovisabeira.pt, grupovisa2.grupovisabeira.pt...`
MX	2	`smtpdr.constructel.net (pri: 50), smtp.constructel.net (pri: 10)`
TXT	1	`v=spf1 mx:smtp.constructel.net mx:smtpdr`
SOA	1	`grupovisa.grupovisabeira.pt hostmaster.g`

Analysis

Hierarchy

constructel.net is the parent domain of pop3.constructel.net, www.constructel.net, smtpdr.constructel.net, smtp2.constructel.net, smtp.constructel.net and a few other host names.

IP Addresses

constructel.net resolves to just one IP address, 135.236.100.162.

Two other host names, along with palaciodogelo.pt, squisito.pt and www.squisito.pt, also share IP numbers with constructel.net.

Name Servers

constructel.net delegates to five name servers: grupovisa2.grupovisabeira.com, grupovisa.grupovisabeira.com, grupovisa2.grupovisabeira.pt and two others.

constructel.net shares at least some of its name servers with other domains, including goep.pt, visabeira.pt, grupovisa.grupovisabeira.pt and two others.

These name servers are frequently seen alongside the name servers gvexternaldnsstage.grupovisabeira.pt.

Host names that point to one IP address:

grupovisa2.grupovisabeira.com resolves to the IP address 193.37.153.70.

grupovisa.grupovisabeira.com resolves to the IP address 194.65.74.130.

grupovisa2.grupovisabeira.pt resolves to the IP address 193.37.153.70.

grupovisa.grupovisabeira.pt resolves to the IP address 194.65.74.130.

gvexternaldnsstage.grupovisabeira.pt resolves to the IP address 194.65.74.130.

grupovisa2.grupovisabeira.com and grupovisa2.grupovisabeira.pt each have 193.37.153.70 IP addresses.

Each of grupovisa.grupovisabeira.com, grupovisa.grupovisabeira.pt and gvexternaldnsstage.grupovisabeira.pt resolves to 194.65.74.130.

Mail Servers

constructel.net is served by two mail servers, smtp.constructel.net and smtpdr.constructel.net.

smtp.constructel.net and smtpdr.constructel.net each resolve to one IP number: smtp.constructel.net points to 194.65.74.133 and smtpdr.constructel.net points to 193.37.153.37.