cref4sp.gov.br - robtex.com
cref4sp.gov.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 177.154.155.117🇧🇷 Equinix177.154.128.0/19 Connect SP | ||||||
| PTR | 117.155.154.177.static.sp2.alog.com.br | ||||||
| NS | ns10.llevon.com.br ⭐ | ||||||
| A | 187.0.205.8🇧🇷 Equinix187.0.192.0/20 Connect RJ | ||||||
| PTR | 8.205.0.187.static.alog.com.br | ||||||
| NS | ns20.llevon.com.br | ||||||
| A | 187.0.205.9🇧🇷 Equinix187.0.192.0/20 Connect RJ | ||||||
| PTR | 9.205.0.187.static.alog.com.br | ||||||
| MX | cref4sp.gov.br ⭐ | ||||||
| A | 177.154.155.117🇧🇷 Equinix177.154.128.0/19 Connect SP | ||||||
| PTR | 117.155.154.177.static.sp2.alog.com.br | ||||||
| TXT | v=spf1 ip4:177.154.155.117 +a +mx +ip4:187.0.205.22 ip4:187.0.205.18 ~all | ||||||
| SOA | ns10.llevon.com.brservidores@llevon.com.br 2025-07-29 #0 | ||||||
gov.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2804:151:3:2:161:148:164:31🇧🇷 AS109542804:150::/30 ITX-VOGEL | ||||||
| A | 161.148.164.31🇧🇷 AS10954161.148.164.0/22 | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026116424 | ||||||
rank #98 in the tld
this domain is the Brazilian government's official second‑level domain used as an umbrella for government websites and digital services. It hosts the main government portal (gov.br) and provides a centralized entry point for public services, information, and authentication across federal, state, and municipal bodies.WOT: SAFE (71/100)
MX for
cref4sp.gov.br |
Same first word
cref4sp.gov.br |
DNS History
4 records (4 active, 0 former)
●NSns10.llevon.com.br2026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 18:02:26
●NSns20.llevon.com.br2026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 18:02:26
●MXcref4sp.gov.br2026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 18:02:26
●A177.154.155.1172026-03-28 → 2026-04-26 · 2 obs
● 2026-04-26 18:02:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| cref4sp.gov.br | ns10.llevon.com.br, ns20.llevon.com.br | - |
✅ Authoritative Response
Server:187.0.205.9
NS records: ns10.llevon.com.br, ns20.llevon.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cref4sp.gov.br (unsigned zone)
⏱️ Timing
Total: 1507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.154.155.117 |
| NS | 2 | ns10.llevon.com.br, ns20.llevon.com.br |
| MX | 1 | cref4sp.gov.br (pri: 0) |
| TXT | 1 | v=spf1 ip4:177.154.155.117 +a +mx +ip4:1 |
| SOA | 1 | ns10.llevon.com.br servidores.llevon.com |
Analysis
Mail Server Role
The mail server for cref4sp.gov.br is cref4sp.gov.br.
IP Addresses
cref4sp.gov.br maps to IP address 177.154.155.117.
Other host names, for instance cref4-sp.gov.br, cpcalendars.cref4.gov.br, cref4.gov.br, cpanel.cref4.gov.br and cref-sp.gov.br share IP numbers with cref4sp.gov.br.
Name Servers
Two name servers ns10.llevon.com.br and ns20.llevon.com.br are delegated to cref4sp.gov.br.
cref4sp.gov.br uses the same name server configuration as other domains, such as cref4-sp.gov.br, crfpe.org.br, santaritadopassaquatro.sp.gov.br, corepr.org.br and centraldedominio.com.br.
cref4sp.gov.br at least partially shares name servers with other domains such as yrio.com.br, yammine.com.br, llevonsolucoes.com.br, parisveiculos.com.br and auguriveiculos.com.br.
these name servers are commonly used with ns30.llevon.com.br, dns71.centraldedominio.com.br, dns72.centraldedominio.com.br, ns40.llevon.com.br, ns14.llevon.com.br and h01r14.llevon.com.br.
Host names with a single IP address:
ns10.llevon.com.br points to 187.0.205.8
ns20.llevon.com.br points to 187.0.205.9
Mail Servers
One mail server serves cref4sp.gov.br.
cref4sp.gov.br points to one IP number: 177.154.155.117.