rtcsistemas.com.br - robtex.com
rtcsistemas.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.111.140.206🇺🇸 HIVELOCITY-123.111.136.0/21 Hivelocity Ventures Corp TPA2 Parent Block - 23.111.128.0/18 | ||||||
| PTR | shv23a1.alowelter.com.br | ||||||
| NS | ns1.alowelter.com.br ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:19f0:b800:16f2:5400:3ff:fee6:9411🇧🇷 AS-VULTR2001:19f0:b800::/38 Vultr Assigned Prefix | ||||||
| PTR | ns1.alowelter.com.br | ||||||
| A | 216.238.102.92🇧🇷 AS-VULTR216.238.96.0/19 Vultr Assigned Prefix | ||||||
| PTR | ns1.alowelter.com.br | ||||||
| NS | ns2.alowelter.com.br ⚠️ Not in parent delegation | ||||||
| A | 144.22.176.154🇧🇷 ORACLE-OCI-31898144.22.176.0/20 Oracle Corporation | ||||||
| NS | ns71.roteador.info ⚠️ Not in zone NS records | ||||||
| A | 216.238.102.92🇧🇷 AS-VULTR216.238.96.0/19 Vultr Assigned Prefix | ||||||
| PTR | ns1.alowelter.com.br | ||||||
| NS | ns72.roteador.info ⚠️ Not in zone NS records | ||||||
| A | 144.22.176.154🇧🇷 ORACLE-OCI-31898144.22.176.0/20 Oracle Corporation | ||||||
| MX | rtcsistemas.com.br ⭐ | ||||||
| A | 23.111.140.206🇺🇸 HIVELOCITY-123.111.136.0/21 Hivelocity Ventures Corp TPA2 Parent Block - 23.111.128.0/18 | ||||||
| PTR | shv23a1.alowelter.com.br | ||||||
| TXT | v=spf1 ip4:23.111.140.206 +ip4:23.111.167.210 +ip4:23.227.181.202 +ip4:23.111... | ||||||
| SOA | ns1.alowelter.com.brmarcelo@welter.pro.br 2026-05-11 #3 | ||||||
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=2026131264 | ||||||
rank #4304 in the tld
WOT: SAFE (69/100)
MX for
rtcsistemas.com.br |
Same first word
rtcsistemas.com.br |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.alowelter.com.br2021-06-15 → 2026-05-11 · 3 obs
● 2021-06-15 12:10:22
● 2026-05-11 11:22:42
●NSns2.alowelter.com.br2021-06-15 → 2026-05-11 · 3 obs
● 2021-06-15 12:10:22
● 2026-05-11 11:22:42
○NSns20.roteador.info2015-07-16 → 2018-01-05 · 4 obs
● 2018-01-05 07:40:58
○ 2021-06-15 12:10:22
○ 2026-05-11 11:22:42
○NSns21.roteador.info2015-07-16 → 2018-01-05 · 4 obs
● 2018-01-05 07:40:58
○ 2021-06-15 12:10:22
○ 2026-05-11 11:22:42
●NSns71.roteador.info2026-02-17 → 2026-05-11 · 3 obs
● 2026-02-17 00:28:02
● 2026-05-11 11:22:42
●NSns72.roteador.info2026-02-17 → 2026-05-11 · 3 obs
● 2026-02-17 00:28:02
● 2026-05-11 11:22:42
●MXrtcsistemas.com.br2015-07-16 → 2026-05-11 · 2 obs
● 2026-05-11 11:22:42
●A23.111.140.2062026-02-17 → 2026-05-11 · 3 obs
● 2026-02-17 00:28:02
● 2026-05-11 11:22:42
○A23.227.181.2032021-06-15 → 2021-11-05 · 5 obs
● 2021-06-15 12:10:22
● 2021-11-05 17:48:26
○ 2026-02-17 00:28:02
○ 2026-05-11 11:22:42
○A98.142.100.502015-07-16 → 2018-01-05 · 4 obs
● 2018-01-05 07:40:58
○ 2021-06-15 12:10:22
○ 2026-05-11 11:22:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | c.dns.br, e.dns.br, a.dns.br, f.dns.br... | - |
| rtcsistemas.com.br | ns71.roteador.info, ns72.roteador.info | - |
✅ Authoritative Response
Server:216.238.102.92
NS records: ns71.roteador.info, ns72.roteador.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcsistemas.com.br (unsigned zone)
⏱️ Timing
Total: 1067ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.111.140.206 |
| NS | 2 | ns1.alowelter.com.br, ns2.alowelter.com.br |
| MX | 1 | rtcsistemas.com.br (pri: 0) |
| TXT | 1 | v=spf1 ip4:23.111.140.206 +ip4:23.111.16 |
| SOA | 1 | ns1.alowelter.com.br marcelo.welter.pro. |
Analysis
Mail Server Role
rtcsistemas.com.br serves as the mail server for rtcsistemas.com.br.
IP Addresses
rtcsistemas.com.br resolves to one IP number: 23.111.140.206.
Other host names, for instance kfkloja.com.br, gsolutions.com.br, mail.blucard.com.br, curitibabusinesscenter.com.br and mail.opcionalrepresentacoes.com.br share IP numbers with rtcsistemas.com.br.
Name Servers
rtcsistemas.com.br delegates to four name servers: ns71.roteador.info, ns72.roteador.info, ns1.alowelter.com.br and ns2.alowelter.com.br.
rtcsistemas.com.br at least partially shares name servers with other domains, including viaredesul.com.br, paraizo.com.br, flexcon.com.br, barradosul.com.br and ns1.multipagevirtual.com.br.
These name servers are commonly used with ns1.vrs.com.br, ns2.vrs.com.br, ns1.zapsolucoes.inf.br, ns2.zapsolucoes.inf.br, ns1.connectti.com.br, ns2.connectti.com.br, ns20.roteador.info, ns21.roteador.info, ns1.mdrserver1.com.br and ns1.scae.com.br.
Hosts with two IP numbers:
ns1.alowelter.com.br points to: 2001:19f0:b800:16f2:5400:3ff:fee6:9411 and 216.238.102.92.
Hosts with one IP number:
ns71.roteador.info points to: 216.238.102.92.
ns72.roteador.info points to: 144.22.176.154.
ns2.alowelter.com.br points to: 144.22.176.154.
Hosts that point to 216.238.102.92: ns1.alowelter.com.br and ns71.roteador.info.
Hosts that point to 144.22.176.154: ns72.roteador.info and ns2.alowelter.com.br.
Mail Servers
rtcsistemas.com.br is handled by a single mail server, rtcsistemas.com.br.
Host name rtcsistemas.com.br resolves to a single IP: 23.111.140.206.