ar.dev.br - robtex.com
ar.dev.br
dev.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=2026293420 | ||||||
rank #271 in the tld
Same first word
Similar names
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DNS History
6 records (6 active, 0 former)
●NSb.sec.dns.br2026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
●NSc.sec.dns.br2026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
●MXmxext1.mailbox.org2026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
●MXmxext2.mailbox.org2026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
●MXmxext3.mailbox.org2026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
●A104.236.81.882026-10-07 → 2026-10-20 · 2 obs
● 2026-10-20 18:12:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | 12 records |
| ar.dev.br | b.sec.dns.br, c.sec.dns.br | - |
✅ Authoritative Response
Server:200.192.232.11
NS records: b.sec.dns.br, c.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1965ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.236.81.88 |
| NS | 2 | c.sec.dns.br, b.sec.dns.br |
| MX | 3 | mxext1.mailbox.org (pri: 10), mxext3.mailbox.org (pri: 20)... |
| TXT | 1 | v=spf1 include:mailbox.org ~all |
| SOA | 1 | b.sec.dns.br hostmaster.registro.br |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.dns.br, b.dns.br, c.dns.br...)
Analysis
IP Addresses
ar.dev.br has exactly one IP address — 104.236.81.88.
Name Servers
ar.dev.br uses two name servers for its delegation: b.sec.dns.br and c.sec.dns.br.
The name server configuration of ar.dev.br is shared with other domains, for instance govinho.com.br, wikipedia.app.br, liriluko.com.br and two others.
At least some of ar.dev.br's name servers are shared with other domains, for example perolla.cnt.br, movementefitwear.com.br, placanozap.com.br and two more.
These name servers tend to be used in conjunction with the name servers a.sec.dns.br.
The two host names b.sec.dns.br and c.sec.dns.br each have a pair of IP addresses: b.sec.dns.br has 200.192.232.11 and 2001:12f8:b:1::11, and c.sec.dns.br has 200.189.40.11 and 2001:12f8:9:1::11.
Mail Servers
The MX records for ar.dev.br list three mail servers: mxext1.mailbox.org, mxext2.mailbox.org and mxext3.mailbox.org.
At least some of the mail servers used by ar.dev.br are shared with other domains: everlastingsites.com, krone-bobingen.de, jpweiss.de and two others among them.
These mail servers tend to be used in conjunction with the mail servers mxext4.mailbox.org.
mxext1.mailbox.org, mxext2.mailbox.org and mxext3.mailbox.org all resolve to exactly two IP numbers apiece: mxext1.mailbox.org → 80.241.60.212 and 2001:67c:2050:104:0:1:25:1; mxext2.mailbox.org → 80.241.60.215 and 2001:67c:2050:104:0:2:25:1; mxext3.mailbox.org → 80.241.60.216 and 2001:67c:2050:104:0:3:25:1.