cosf.com.br - robtex.com
cosf.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 2026-09-15 #36 | ||||||
rank #4226 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.gnethost.com.br2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●NSns2.gnethost.com.br2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●MXalt1.aspmx.l.google.com2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●MXalt2.aspmx.l.google.com2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●MXaspmx.l.google.com2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●MXaspmx2.googlemail.com2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●MXaspmx3.googlemail.com2026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
●A192.185.216.1532026-03-08 → 2026-04-01 · 2 obs
● 2026-04-01 22:48:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| cosf.com.br | ns2.gnethost.com.br, ns1.gnethost.com.br | 2 records |
✅ Authoritative Response
Server:192.185.215.185
NS records: ns2.gnethost.com.br, ns1.gnethost.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cosf.com.br (unsigned zone)
⏱️ Timing
Total: 772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.185.216.153 |
| NS | 2 | ns1.gnethost.com.br, ns2.gnethost.com.br |
| MX | 5 | ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)... |
| TXT | 1 | v=spf1 a mx include:_spf.google.com ~all |
| SOA | 1 | ns1.gnethost.com.br gilvando1.hotmail.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.gnethost.com.br, ns1.gnethost.com.br)
Analysis
IP Addresses
cosf.com.br resolves to one IP number: 192.185.216.153.
other host names including netgator.com.br, arrayservice.net.br, istart.com.br, lafitte.com.br and artsystems.com.br share IP numbers with cosf.com.br.
Name Servers
cosf.com.br is delegated to two name servers ns1.gnethost.com.br and ns2.gnethost.com.br.
cosf.com.br uses the same name server setup as gnethost.com.br and formasonata.com.br.
Host names with one IP number:
ns1.gnethost.com.br points to 192.185.215.184
ns2.gnethost.com.br points to 192.185.215.185
Mail Servers
cosf.com.br is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
cosf.com.br shares some mail servers with other domains, at least partially, for instance ns500699.ns500693.ns500734.ns500699.ns500693.ns500734.ns500728.ns500734.ns500699.ns500699.ns500693.ns500632.ns500578.ns500110.dtrkdll.com, ns500758.ns500759.ns500759.ns500735.ns500698.ns500735.ns500698.ns500698.ns500698.ns500619.ns500652.ns500619.trackreceptor.com, ns500671.ns500671.ns500731.ns500671.ns500742.ns500754.ns500731.ns500704.ns500705.ns500671.ns500705.ns500678.ns500649.lustychickser.com, ns500768.ns500698.ns500698.ns500735.ns500698.ns500698.ns500698.ns500708.ns500708.ns500708.ns500576.ns500698.tracksymphony.com and stingerattachments.com.
these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27
aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.27
aspmx.l.google.com points to 2607:f8b0:4023:c0b::1b and 74.125.137.27
alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.27
alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.26