strfw.com.br - robtex.com
strfw.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=2026129182 | ||||||
rank #3910 in the tld
WOT: SAFE (69/100)
Subdomains
Same first word
strfw.com.br |
Similar names
trwsf.com |
fsrtw.com |
wfstr.com |
rsftw.cn |
frtsw.com |
rtwfs.com |
rwfts.com |
trsfw.com |
swtrf.co.uk |
sftwr.ru |
twfrs.com |
frtws.com |
tfrsw.com |
sftwr.com |
tfsrw.com |
trfsw.com |
sftwr.net |
DNS History
10 records (5 active, 5 former)
●NSdns1.speedrs.com.br2026-04-09 → 2026-05-09 · 3 obs
● 2026-04-09 14:05:34
● 2026-05-09 07:43:16
●NSdns2.speedrs.com.br2026-04-09 → 2026-05-09 · 3 obs
● 2026-04-09 14:05:34
● 2026-05-09 07:43:16
○NSns.strfw.com.br2008-08-24 → 2008-08-24 · 3 obs
○ 2015-05-21 21:27:22
○ 2026-05-09 07:43:16
○NSns1.strfw.com.br2015-05-21 → 2017-05-26 · 5 obs
● 2015-05-21 21:27:22
● 2017-05-26 16:10:42
○ 2026-04-09 14:05:34
○ 2026-05-09 07:43:16
○NSns2.strfw.com.br2015-05-21 → 2017-05-26 · 5 obs
● 2015-05-21 21:27:22
● 2017-05-26 16:10:42
○ 2026-04-09 14:05:34
○ 2026-05-09 07:43:16
●MXmail.strfw.com.br2008-08-24 → 2026-05-09 · 2 obs
● 2026-05-09 07:43:16
○A186.250.168.122015-05-21 → 2017-05-26 · 5 obs
● 2015-05-21 21:27:22
● 2017-05-26 16:10:42
○ 2026-04-09 14:05:34
○ 2026-05-09 07:43:16
●A186.250.168.352026-04-09 → 2026-05-09 · 3 obs
● 2026-04-09 14:05:34
● 2026-05-09 07:43:16
○A200.180.201.2292008-08-24 → 2008-08-24 · 3 obs
○ 2015-05-21 21:27:22
○ 2026-05-09 07:43:16
●A2804:ff4:bebe:cada:186:250:168:352026-04-09 → 2026-05-09 · 3 obs
● 2026-04-09 14:05:34
● 2026-05-09 07:43:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| strfw.com.br | dns2.speedrs.com.br, dns1.speedrs.com.br | - |
✅ Authoritative Response
Server:186.250.168.36
NS records: dns2.speedrs.com.br, dns1.speedrs.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for strfw.com.br (unsigned zone)
⏱️ Timing
Total: 1456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 186.250.168.35 |
| AAAA | 1 | 2804:ff4:bebe:cada:186:250:168:35 |
| NS | 2 | dns2.speedrs.com.br, dns1.speedrs.com.br |
| MX | 1 | mail.strfw.com.br (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | dns1.speedrs.com.br root.strfw.com.br |
Analysis
Hierarchy
strfw.com.br is a parent of mail.strfw.com.br and ns2.strfw.com.br.
IP Addresses
The entity strfw.com.br points to two IP numbers: 2804:ff4:bebe:cada:186:250:168:35 and 186.250.168.35.
For instance, other host names ns1.grupohermes.net.br, cruzazulfarmacias.com.br, ns1.speedservice.com.br, ns1.irai.rs.gov.br and comunitariajaboticaba.com.br share IP numbers with strfw.com.br.
Name Servers
strfw.com.br is delegated to two name servers: dns1.speedrs.com.br and dns2.speedrs.com.br.
strfw.com.br uses the same name server setup as other domains such as cruzazulfarmacias.com.br, comunitariajaboticaba.com.br, marchioro.eng.br, grupohermes.net.br and speedrs.com.
strfw.com.br shares name servers with other domains at least partially, for instance camarairai.rs.gov.br, irai.rs.gov.br and bigbest.com.br.
These name servers are commonly used with the name servers ns5.speedrs.com.br and ns6.speedrs.com.br.
Host names with two IP numbers:
The host name dns1.speedrs.com.br points to 2804:ff4:bebe:cada:186:250:168:35 and 186.250.168.35.
The host name dns2.speedrs.com.br points to 2804:ff4:bebe:cada:186:250:168:35 and 186.250.168.36.
Host names that point to 2804:ff4:bebe:cada:186:250:168:35: dns1.speedrs.com.br and dns2.speedrs.com.br.
Mail Servers
strfw.com.br is handled by a single mail server, mail.strfw.com.br.
mail.strfw.com.br resolves to two IPs: 2804:ff4:bebe:cada:186:250:168:35 and 186.250.168.35.