improtec.com.br - dns.ninja
improtec.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 200.187.68.118🇧🇷 AS265262200.187.68.0/24 CLARO S.A. Customer | ||||||
| NS | ns1.skymail.net.br ⭐ | ||||||
| A | 168.0.135.116🇧🇷 AS265262168.0.135.0/24 | ||||||
| NS | ns2.skymail.net.br | ||||||
| A | 168.0.134.16🇧🇷 AS265262168.0.134.0/24 CLARO S.A. Customer | ||||||
| PTR | vr.cloud-sp2.skymail.net.br | ||||||
| NS | ns3.skymail.net.br | ||||||
| A | 200.187.66.240🇧🇷 AS265262200.187.66.0/24 CLARO S.A. Customer | ||||||
| MX | mx-ha.skymail.net.br ⭐ | ||||||
| A | 168.0.133.10🇧🇷 AS265262168.0.133.0/24 | ||||||
| PTR | mx-ha.skymail.net.br | ||||||
| TXT | v=spf1 include:spf.skymail.net.br -all | ||||||
| SOA | ns1.skymail.net.brhostmaster@improtec.com.br serial=1719876728 | ||||||
com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026184424 | ||||||
rank #3888 in the tld
WOT: SAFE (69/100)
Subdomains
www.improtec.com.br |
Same first word
Similar names
DNS History
15 records (5 active, 10 former)
○NSns1.mandic.com.br2015-07-25 → 2017-03-25 · 5 obs
● 2015-07-25 12:04:58
● 2017-03-25 15:48:52
○ 2026-03-09 10:33:44
○ 2026-07-03 17:53:26
●NSns1.skymail.net.br2026-03-09 → 2026-07-03 · 3 obs
● 2026-03-09 10:33:44
● 2026-07-03 17:53:26
○NSns2.mandic.com.br2015-07-25 → 2017-03-25 · 8 obs
● 2015-07-25 12:04:58
● 2015-12-04 11:44:36
○ 2016-01-20 14:49:30
● 2016-07-23 18:51:12
● 2017-03-25 15:48:52
○ 2026-03-09 10:33:44
○ 2026-07-03 17:53:26
●NSns2.skymail.net.br2026-03-09 → 2026-07-03 · 3 obs
● 2026-03-09 10:33:44
● 2026-07-03 17:53:26
○NSns2.terraempresas.com.br2009-01-10 → 2009-01-10 · 3 obs
○ 2015-07-25 12:04:58
○ 2026-07-03 17:53:26
○NSns3.mandic.com.br2015-07-25 → 2017-03-25 · 8 obs
● 2015-07-25 12:04:58
○ 2015-12-04 11:44:36
● 2016-01-20 14:49:30
○ 2016-07-23 18:51:12
● 2017-03-25 15:48:52
○ 2026-03-09 10:33:44
○ 2026-07-03 17:53:26
●NSns3.skymail.net.br2026-03-09 → 2026-07-03 · 3 obs
● 2026-03-09 10:33:44
● 2026-07-03 17:53:26
○NSns3.terraempresas.com.br2009-01-10 → 2009-01-10 · 3 obs
○ 2015-07-25 12:04:58
○ 2026-07-03 17:53:26
○MXasp-cluster.idc2.mandic.com.br2015-07-25 → 2017-03-25 · 5 obs
● 2015-07-25 12:04:58
● 2017-03-25 15:48:52
○ 2026-03-09 10:33:44
○ 2026-07-03 17:53:26
●MXmx-ha.skymail.net.br2026-03-09 → 2026-07-03 · 3 obs
● 2026-03-09 10:33:44
● 2026-07-03 17:53:26
○MXmx-sec.terraempresas.com.br2009-01-10 → 2009-01-10 · 3 obs
○ 2015-07-25 12:04:58
○ 2026-07-03 17:53:26
○MXsrv3-sao.sao.terraempresas.com.br2009-01-10 → 2009-01-10 · 3 obs
○ 2015-07-25 12:04:58
○ 2026-07-03 17:53:26
○A138.128.170.22015-07-25 → 2017-03-25 · 5 obs
● 2015-07-25 12:04:58
● 2017-03-25 15:48:52
○ 2026-03-09 10:33:44
○ 2026-07-03 17:53:26
○A200.154.100.2322009-01-10 → 2009-01-10 · 3 obs
○ 2015-07-25 12:04:58
○ 2026-07-03 17:53:26
●A200.187.68.1182026-03-09 → 2026-07-03 · 3 obs
● 2026-03-09 10:33:44
● 2026-07-03 17:53:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| improtec.com.br | ns1.skymail.net.br, ns3.skymail.net.br, ns2.skymail.net.br | - |
✅ Authoritative Response
Server:168.0.134.16
NS records: ns1.skymail.net.br, ns3.skymail.net.br, ns2.skymail.net.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for improtec.com.br (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 200.187.68.118 |
| NS | 3 | ns1.skymail.net.br, ns2.skymail.net.br... |
| MX | 1 | mx-ha.skymail.net.br (pri: 0) |
| TXT | 1 | v=spf1 include:spf.skymail.net.br -all |
| SOA | 1 | ns1.skymail.net.br hostmaster.improtec.c |
Analysis
Hierarchy
www.improtec.com.br is a subdomain of improtec.com.br.
IP Addresses
improtec.com.br resolves to just one IP address, 200.187.68.118.
Two other host names, along with fblaw.com.br, squasso.com.br and agdl.org.br, also share IP numbers with improtec.com.br.
Name Servers
improtec.com.br is served by three name servers: ns1.skymail.net.br, ns2.skymail.net.br and ns3.skymail.net.br.
The name servers of improtec.com.br overlap at least partially with those of other domains — among them wifimagic.com, spadv.com.br, comedorescompulsivos.org.br and two more.
These name servers commonly appear in delegations together with dns1.infolink.com.br, dns2.infolink.com.br, kepler.infolink.com.br and 7 other.
ns1.skymail.net.br has IP address 168.0.135.116, ns2.skymail.net.br has IP address 168.0.134.16 and ns3.skymail.net.br has IP address 200.187.66.240 — one address each.
Mail Servers
The sole mail server for improtec.com.br is mx-ha.skymail.net.br.
Among the domains sharing a mail server setup with improtec.com.br are clcorretora.com.br, vivertransportes.com, bassani.com.br and two others.
improtec.com.br has mail servers in common with other domains — pousadalarimor.com.br being one example.
mx-ha.skymail.net.br resolves to 168.0.133.10 and no other IP number.