back2back.com.br - dns.ninja
back2back.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=2026176410 | ||||||
rank #3978 in the tld
WOT: SAFE (69/100)
Subdomains
www.back2back.com.br |
Same first word
back2back.us |
back2back.in |
back2back.de |
back2back.mx |
back2back.ae |
back2back.com |
back2back.co |
back2back.co.za |
back2back.ca |
back2back.tv |
back2back.org |
back2back.com.br |
back2back.no |
back2back.info |
back2back.nu |
DNS History
10 records (8 active, 2 former)
○NShm232015-07-14 → 2018-01-29 · 4 obs
● 2018-01-29 05:18:46
○ 2026-02-15 19:39:42
○ 2026-06-25 17:36:42
●NSns1.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●NSns2.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●NSns3.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●MXmx.a.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●MXmx.b.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●MXmx.core.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●MXmx.jk.locaweb.com.br2015-07-14 → 2026-06-25 · 2 obs
● 2026-06-25 17:36:42
●A186.202.149.2362015-11-23 → 2026-06-25 · 3 obs
● 2015-11-23 15:17:16
● 2026-06-25 17:36:42
○A187.45.241.2102015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-23 15:17:16
○ 2026-06-25 17:36:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, e.dns.br, d.dns.br... | - |
| back2back.com.br | ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br | 6 records |
✅ Authoritative Response
Server:186.202.8.254
NS records: ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for back2back.com.br (unsigned zone)
⏱️ Timing
Total: 985ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 186.202.149.236 |
| NS | 3 | ns2.locaweb.com.br, ns3.locaweb.com.br... |
| MX | 4 | mx.a.locaweb.com.br (pri: 20), mx.core.locaweb.com.br (pri: 10)... |
| TXT | 2 | google-site-verification=w3UuRgGTyBr1vQE, v=spf1 include:_spf.locaweb.com.br ?all |
| SOA | 1 | ns1.locaweb.com.br hostmaster.locaweb.co |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.locaweb.com.br, ns2.locaweb.com.br, ns3.locaweb.com.br...)
Analysis
Hierarchy
The domain www.back2back.com.br falls under the parent back2back.com.br.
IP Addresses
back2back.com.br has exactly one IP address — 186.202.149.236.
bfashion.com.br, angerame.com.br, arnaut.com.br plus two other host names have IP numbers in common with back2back.com.br.
Name Servers
back2back.com.br is delegated to three name servers: ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br.
At least some of back2back.com.br's name servers are shared with other domains, for example iprimebr.com.br, ailtonveiculos.com.br, mstecnologia.com.br and two more.
ns1.locaweb.com.br, ns2.locaweb.com.br and ns3.locaweb.com.br each resolve to two IP addresses: ns1.locaweb.com.br resolves to 186.202.8.254 and 2804:218:7000:0:186:202:8:254; ns2.locaweb.com.br resolves to 187.45.248.254 and 2804:218:7001:0:187:45:248:254; ns3.locaweb.com.br resolves to 189.126.101.254 and 2804:218:7002:0:189:126:101:254.
Mail Servers
Mail for back2back.com.br is handled by four mail servers: mx.a.locaweb.com.br, mx.b.locaweb.com.br, mx.core.locaweb.com.br and mx.jk.locaweb.com.br.
At least some of the mail servers used by back2back.com.br are shared with other domains: transparencia.camara.costamarques.ro.gov.br, profisiomed.com.br, rtiportugal.com and two others among them.
Four host names, each with one IP address: mx.a.locaweb.com.br has 186.202.4.42, mx.b.locaweb.com.br has 177.153.23.242, mx.core.locaweb.com.br has 177.153.23.241 and mx.jk.locaweb.com.br has 200.234.204.130.