by9.com.br - robtex.com
by9.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 201.182.97.88🇧🇷 LHOST201.182.97.0/24 Path Network, Inc. - Anycasted Proxy-Route for AS267507 | ||||||
| PTR | asa.oficialserver.com | ||||||
| NS | ns1.oficialserver.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2804:428c:101:10::1ff🇧🇷 LHOST2804:428c::/34 CLARO S.A. Customer | ||||||
| A | 201.182.96.150🇧🇷 LHOST201.182.96.0/24 Path Network, Inc. - Anycasted Proxy-Route for AS267507 | ||||||
| PTR | unknown.lhost.net.br | ||||||
| NS | ns1.by9.com.br ⚠️ Not in zone NS records | ||||||
| A | 201.182.96.150🇧🇷 LHOST201.182.96.0/24 Path Network, Inc. - Anycasted Proxy-Route for AS267507 | ||||||
| PTR | unknown.lhost.net.br | ||||||
| NS | ns2.by9.com.br ⚠️ Not in zone NS records | ||||||
| A | 108.181.69.110🇧🇷 AS40676108.181.68.0/23 | ||||||
| NS | ns2.oficialserver.com ⚠️ Not in parent delegation | ||||||
| A | 2604:6600:fd00:89::9b4c:84d0🇧🇷 AS406762604:6600:fd00::/48 | ||||||
| A | 108.181.69.110🇧🇷 AS40676108.181.68.0/23 | ||||||
| NS | ns3.by9.com.br ⚠️ Not in zone NS records | ||||||
| A | 216.238.109.234🇧🇷 AS-VULTR216.238.96.0/19 Vultr Assigned Prefix | ||||||
| PTR | ns3.oficialserver.com | ||||||
| NS | ns3.oficialserver.com ⚠️ Not in parent delegation | ||||||
| A | 2001:19f0:b800:1e5f:5400:4ff:fe83:9f70🇧🇷 AS-VULTR2001:19f0:b800::/38 Vultr Assigned Prefix | ||||||
| PTR | ns3.oficialserver.com | ||||||
| A | 216.238.109.234🇧🇷 AS-VULTR216.238.96.0/19 Vultr Assigned Prefix | ||||||
| PTR | ns3.oficialserver.com | ||||||
| MX | by9.com.br ⭐ | ||||||
| A | 201.182.97.88🇧🇷 LHOST201.182.97.0/24 Path Network, Inc. - Anycasted Proxy-Route for AS267507 | ||||||
| PTR | asa.oficialserver.com | ||||||
| TXT | MS=ms17362314 | ||||||
| TXT | v=spf1 ip4:201.182.97.88 ip4:46.21.149.170 +a +mx ~all | ||||||
| SOA | ns1.oficialserver.comhostmaster@oficialserver.com 2026-02-28 #1 | ||||||
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=2026103298 | ||||||
rank #4017 in the tld
WOT: SAFE (69/100)
MX for
by9.com.br |
Subdomains
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSns1.by9.com.br2026-02-16 → 2026-04-13 · 3 obs
● 2026-02-16 03:15:12
● 2026-04-13 12:52:58
●NSns1.oficialserver.com2018-11-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:52:58
●NSns2.by9.com.br2026-02-16 → 2026-04-13 · 3 obs
● 2026-02-16 03:15:12
● 2026-04-13 12:52:58
●NSns2.oficialserver.com2018-11-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:52:58
●NSns3.by9.com.br2026-02-16 → 2026-04-13 · 3 obs
● 2026-02-16 03:15:12
● 2026-04-13 12:52:58
●NSns3.oficialserver.com2018-11-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:52:58
●MXby9.com.br2018-11-24 → 2026-04-13 · 2 obs
● 2026-04-13 12:52:58
●A201.182.97.882026-02-16 → 2026-04-13 · 3 obs
● 2026-02-16 03:15:12
● 2026-04-13 12:52:58
○A64.237.46.2032018-11-24 → 2018-11-24 · 3 obs
○ 2026-02-16 03:15:12
○ 2026-04-13 12:52:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| by9.com.br | ns1.by9.com.br, ns2.by9.com.br, ns3.by9.com.br | 3 records |
✅ Authoritative Response
Server:201.182.96.150
NS records: ns1.by9.com.br, ns2.by9.com.br, ns3.by9.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for by9.com.br (unsigned zone)
⏱️ Timing
Total: 659ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 201.182.97.88 |
| NS | 3 | ns2.oficialserver.com, ns3.oficialserver.com... |
| MX | 1 | by9.com.br (pri: 0) |
| TXT | 2 | MS=ms17362314, v=spf1 ip4:201.182.97.88 ip4:46.21.149.1 |
| SOA | 1 | ns1.oficialserver.com hostmaster.oficial |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.by9.com.br, ns2.by9.com.br, ns3.by9.com.br)
Analysis
Hierarchy
by9.com.br is a parent of ns3.by9.com.br, ns1.by9.com.br and ns2.by9.com.br.
Mail Server Role
by9.com.br serves as the mail server for by9.com.br.
IP Addresses
by9.com.br points to a single IP number: 201.182.97.88.
Other host names, for instance thiagoprogramador.com, delucalimentos.com.br, paroquiaespiritosanto.com.br, futuracelulares.com.br and farmagri.com.br share IP numbers with by9.com.br.
Name Servers
by9.com.br delegates to six name servers: ns1.oficialserver.com, ns2.oficialserver.com, ns3.oficialserver.com, ns1.by9.com.br, ns2.by9.com.br and ns3.by9.com.br.
by9.com.br shares name servers with other domains at least partially, for instance osegredooculto.com, transadona.com.br, futuracelulares.com.br, redesignclicheria.com and vlcom.com.br.
these name servers are commonly used with the name servers ns1.linkoficial.com.br, ns2.linkoficial.com.br, ns3.linkoficial.com.br, ns1.gentequepensa.net.br, ns2.gentequepensa.net.br, ns3.gentequepensa.net.br, ns1.hdgdesign.com.br, ns2.hdgdesign.com.br, ns3.hdgdesign.com.br and ns1.rafaw940.com.br.
Names with two IP numbers:
ns1.oficialserver.com points to 2804:428c:101:10::1ff and 201.182.96.150
ns2.oficialserver.com points to 2604:6600:fd00:89::9b4c:84d0 and 108.181.69.110
ns3.oficialserver.com points to 2001:19f0:b800:1e5f:5400:4ff:fe83:9f70 and 216.238.109.234
Names with one IP number:
ns1.by9.com.br points to 201.182.96.150
ns2.by9.com.br points to 108.181.69.110
ns3.by9.com.br points to 216.238.109.234
Names that point to 201.182.96.150: ns1.oficialserver.com and ns1.by9.com.br
Names that point to 108.181.69.110: ns2.oficialserver.com and ns2.by9.com.br
Names that point to 216.238.109.234: ns3.oficialserver.com and ns3.by9.com.br
Mail Servers
A single mail server handles by9.com.br and by9.com.br.
Host name by9.com.br resolves to IP 201.182.97.88.