rfsystem.com.br - robtex.com
rfsystem.com.br
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=2026084518 | ||||||
rank #4158 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
DNS History
14 records (13 active, 1 former)
●NSfreedns1.registrar-servers.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●NSfreedns2.registrar-servers.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●NSfreedns3.registrar-servers.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●NSfreedns4.registrar-servers.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●NSfreedns5.registrar-servers.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXalt1.aspmx.l.google.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXalt2.aspmx.l.google.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXaspmx.l.google.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXaspmx2.googlemail.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXaspmx3.googlemail.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXaspmx4.googlemail.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
●MXaspmx5.googlemail.com2015-05-20 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
○A162.255.119.2012015-05-20 → 2017-04-06 · 3 obs
● 2017-04-06 11:10:18
○ 2026-03-25 22:02:56
●A162.255.119.2532026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 22:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| rfsystem.com.br | freedns2.registrar-servers.com, freedns3.registrar-servers.com, freedns1.registrar-servers.com | - |
✅ Authoritative Response
Server:195.154.94.174
NS records: freedns2.registrar-servers.com, freedns3.registrar-servers.com, freedns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rfsystem.com.br (unsigned zone)
⏱️ Timing
Total: 992ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.255.119.253 |
| NS | 5 | freedns3.registrar-servers.com, freedns4.registrar-servers.com... |
| MX | 7 | aspmx4.googlemail.com (pri: 60), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | freedns1.registrar-servers.com hostmaste |
Analysis
IP Addresses
rfsystem.com.br resolves to a single IP: 162.255.119.253.
Other host names, for instance prompt.ly, efun.co.uk, socialcommercechina.com, external.co.uk and getoverex.com share IP numbers with rfsystem.com.br.
Name Servers
rfsystem.com.br delegates to five name servers: freedns1.registrar-servers.com, freedns2.registrar-servers.com, freedns3.registrar-servers.com, freedns4.registrar-servers.com and freedns5.registrar-servers.com.
rfsystem.com.br shares some name servers with other domains, for example atomicleopard.com, discounteyeglasses.net, 066099.com, jadsonhk.com and ambassador.com.hk.
These name servers are commonly used together with freedns11.registrar-servers.com and freedns21.registrar-servers.com.
Host names with two IPs:
Host freedns1.registrar-servers.com has IPs 2605:9880:300:1400:101:1650:5e2:54 and 45.58.122.83.
Host freedns2.registrar-servers.com has IPs 2604:6600:0:1b::2 and 199.119.202.76.
Host freedns3.registrar-servers.com has IPs 2001:bc8:6006:4000:8218:44ff:feef:d720 and 195.154.94.174.
Host freedns4.registrar-servers.com has IPs 2a02:29e0:1:103:103::1 and 95.141.37.127.
Host freedns5.registrar-servers.com has IPs 2001:41d0:700:120f::1 and 54.36.109.15.
Mail Servers
rfsystem.com.br is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
rfsystem.com.br shares some mail servers with other domains, at least partially; for instance ns500754.ns500754.ns500671.ns500731.ns500754.ns500742.ns500704.ns500742.ns500731.ns500688.ns500678.ns500688.ns500671.ns500666.tenderladiesbz.com, ns500671.ns500731.ns500671.ns500754.ns500704.ns500705.ns500688.ns500291.lustychickser.com, ns500758.ns500759.ns500758.ns500576.ns500698.ns500698.ns500708.ns500619.ns500576.ns500576.ns500652.ns500652.tracksymphony.com, razorbackgreenway.org and prisonbooksproject.org.
these mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26; aspmx3.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26; aspmx4.googlemail.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.26; aspmx5.googlemail.com points to: 2607:f8b0:4003:c4a::1a and 142.251.96.27; aspmx.l.google.com points to: 2607:f8b0:4023:c0d::1a and 142.250.141.27; alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1b and 142.250.102.26; alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27.