xb.dev.br - robtex.com
xb.dev.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | d.sec.dns.br ⭐ | ||||||
| A | 2001:12ff::14🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | d.sec.dns.br | ||||||
| A | 200.160.0.14🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| PTR | d.sec.dns.br | ||||||
| NS | f.sec.dns.br | ||||||
| A | 2001:12f8:9:1::14🇧🇷 B-DNS-BR2001:12f8:9::/48 Registro.BR Network (B.DNS.BR) | ||||||
| PTR | f.sec.dns.br | ||||||
| A | 200.189.40.14🇧🇷 B-DNS-BR200.189.40.0/24 Registro.BR Network (B.DNS.BR) | ||||||
| PTR | f.sec.dns.br | ||||||
| MX | mail.xb.dev.br ⭐ | ||||||
| A | 2804:192c:c00:100:be24:11ff:fe87:bfc0🇧🇷 AS-Provedor2804:192c::/36 CLARO S.A. Customer | ||||||
| A | 143.208.136.57🇧🇷 AS-Provedor143.208.136.0/22 CUSTOMER PROSERVNET PRODUTOS E SERVICOS EIRELI - ME | ||||||
| TXT | ? | ||||||
| TXT | v=spf1 a mx ip4:143.208.136.57 ~all | ||||||
| SOA | d.sec.dns.brhostmaster@registro.br 2026-08-30 #0 | ||||||
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=2026088314 | ||||||
rank #334 in the tld
Subdomains
mail.xb.dev.br |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSd.sec.dns.br2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 13:19:06
●NSf.sec.dns.br2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 13:19:06
●MXmail.xb.dev.br2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 13:19:06
●A216.198.79.12026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 13:19:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | e.dns.br, c.dns.br, b.dns.br, a.dns.br... | - |
| xb.dev.br | d.sec.dns.br, f.sec.dns.br | - |
✅ Authoritative Response
Server:200.160.0.14
NS records: d.sec.dns.br, f.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 982ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | d.sec.dns.br, f.sec.dns.br |
| MX | 1 | mail.xb.dev.br (pri: 10) |
| TXT | 2 | ?, v=spf1 a mx ip4:143.208.136.57 ~all |
| SOA | 1 | d.sec.dns.br hostmaster.registro.br |
Analysis
Hierarchy
mail.xb.dev.br has xb.dev.br as its parent.
IP Addresses
xb.dev.br maps to IP address 216.198.79.1.
Other host names, for instance ozten.com, zion.fm, akitomedia.com, laikligisavunuyoruz.org and denteasy.it share IP numbers with xb.dev.br.
Name Servers
Two name servers d.sec.dns.br and f.sec.dns.br are delegated to xb.dev.br.
xb.dev.br uses the same name server configuration as other domains, such as itkids.com.br, rkmix.com.br, 7ponto1.com.br, trini.com.br and guizardi.com.br.
xb.dev.br at least partially shares name servers with other domains such as zimbraonline.com.br, redeloja.com.br, mdemenina.com.br, ds.adm.br and escolasascar.com.br.
these name servers are commonly used with the name servers e.sec.dns.br.
Host names with two IPs:
d.sec.dns.br points to 2001:12ff::14 and 200.160.0.14.
f.sec.dns.br points to 2001:12f8:9:1::14 and 200.189.40.14.
Mail Servers
xb.dev.br is handled by a single mail server, mail.xb.dev.br.
xb.dev.br shares some mail servers with other domains, at least partially, for instance tipapro.com.
these mail servers are commonly used alongside the mail servers alt3.aspmx.l.google.com.
Host name mail.xb.dev.br points to IPs 2804:192c:c00:100:be24:11ff:fe87:bfc0 and 143.208.136.57.