cref4.org.br - robtex.com
cref4.org.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:12ff:0:2::95🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | r.registro.br | ||||||
| A | 200.160.2.95🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| NS | a.auto.dns.br ⭐ | ||||||
| A | 2001:12ff:0:2::88🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | a.auto.dns.br | ||||||
| A | 200.160.2.88🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| PTR | a.auto.dns.br | ||||||
| NS | b.auto.dns.br | ||||||
| A | 2001:12ff:0:2::89🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network | ||||||
| PTR | b.auto.dns.br | ||||||
| A | 200.160.2.89🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network | ||||||
| PTR | b.auto.dns.br | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | 0 www.crefsp.gov.br. | ||||||
| SOA | a.auto.dns.brhostmaster@registro.br serial=2026117300 | ||||||
org.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=2026117172 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSa.auto.dns.br2026-04-24 → 2026-04-27 · 2 obs
● 2026-04-27 07:33:14
●NSb.auto.dns.br2026-04-24 → 2026-04-27 · 2 obs
● 2026-04-27 07:33:14
●A200.160.2.952026-04-24 → 2026-04-27 · 2 obs
● 2026-04-27 07:33:14
●A2001:12ff:0:2::952026-04-24 → 2026-04-27 · 2 obs
● 2026-04-27 07:33:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | d.dns.br, c.dns.br, f.dns.br, a.dns.br... | - |
| cref4.org.br | a.auto.dns.br, b.auto.dns.br | - |
✅ Authoritative Response
Server:200.160.2.88
NS records: a.auto.dns.br, b.auto.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1865ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 200.160.2.95 |
| AAAA | 1 | 2001:12ff:0:2::95 |
| NS | 2 | a.auto.dns.br, b.auto.dns.br |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":0,"target":"www.crefsp.gov.b |
| SOA | 1 | a.auto.dns.br hostmaster.registro.br |
Analysis
IP Addresses
cref4.org.br points to two IP numbers: 2001:12ff:0:2::95 and 200.160.2.95.
Other host names, for instance psbnacamara.org.br, mason.com.br, lipoescultura.com.br, duratop.com.br and socialize.com.br share IP numbers with cref4.org.br.
Name Servers
cref4.org.br's delegation is to two name servers a.auto.dns.br and b.auto.dns.br.
cref4.org.br shares the same name server configuration as other domains, such as fireshop.com.br, hidrorede.com.br, causo.com.br, brasinos.com.br and (0x736578)ylog.com.br.
Host names with two IP numbers: a.auto.dns.br points to 2001:12ff:0:2::88 and 200.160.2.88; b.auto.dns.br points to 2001:12ff:0:2::89 and 200.160.2.89