cref-sp.gov.br - robtex.com
cref-sp.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 | cref-sp.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 ip4:187.0.205.23 ip4:187.... | ||||||
| SOA | ns10.llevon.com.brservidores@llevon.com.br 2026-03-13 #1 | ||||||
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=2026116226 | ||||||
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
cref-sp.gov.br |
Same first word
cref-sp.gov.br |
Similar names
DNS History
14 records (4 active, 10 former)
○NSns1.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
●NSns10.llevon.com.br2026-03-02 → 2026-04-26 · 3 obs
● 2026-03-02 18:02:38
● 2026-04-26 09:51:12
○NSns2.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
●NSns20.llevon.com.br2026-03-02 → 2026-04-26 · 3 obs
● 2026-03-02 18:02:38
● 2026-04-26 09:51:12
○NSns3.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
●MXcref-sp.gov.br2026-03-02 → 2026-04-26 · 3 obs
● 2026-03-02 18:02:38
● 2026-04-26 09:51:12
○MXmx.a.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
○MXmx.b.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
○MXmx.core.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
○MXmx.jk.locaweb.com.br2015-08-02 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
●A177.154.155.1172026-03-02 → 2026-04-26 · 3 obs
● 2026-03-02 18:02:38
● 2026-04-26 09:51:12
○A186.202.157.792016-07-06 → 2016-07-06 · 4 obs
● 2016-07-06 13:30:14
○ 2026-03-02 18:02:38
○ 2026-04-26 09:51:12
○A186.202.54.462015-08-02 → 2015-08-02 · 3 obs
○ 2015-11-21 11:39:00
○ 2026-04-26 09:51:12
○A187.45.241.312015-11-21 → 2016-02-12 · 5 obs
● 2015-11-21 11:39:00
● 2016-02-12 20:56:18
○ 2016-07-06 13:30:14
○ 2026-04-26 09:51:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| cref-sp.gov.br | ns20.llevon.com.br, ns10.llevon.com.br | - |
✅ Authoritative Response
Server:187.0.205.8
NS records: ns20.llevon.com.br, ns10.llevon.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cref-sp.gov.br (unsigned zone)
⏱️ Timing
Total: 2029ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.154.155.117 |
| NS | 2 | ns10.llevon.com.br, ns20.llevon.com.br |
| MX | 1 | cref-sp.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
cref-sp.gov.br serves as a mail server for cref-sp.gov.br.
IP Addresses
cref-sp.gov.br points to a single IP: 177.154.155.117.
Other host names, for instance cpanel.cref4.gov.br, crefsp.gov.br, webmail.cref4.gov.br, webdisk.cref4.gov.br and cref4sp.gov.br share IP numbers with cref-sp.gov.br.
Name Servers
Two name servers ns10.llevon.com.br and ns20.llevon.com.br handle delegation for cref-sp.gov.br.
cref-sp.gov.br uses the same name server setup as other domains, for example h01r14.llevon.com.br, confef.org.br, mail.crefsp.gov.br, syncserver.com.br and acc.ind.br.
cref-sp.gov.br partially shares name servers with other domains; examples include cp2.gov.br, ns20.llevon.com.br, bravai.com.br, h01r18.llevon.com.br and ydconfeccoes.com.br.
These name servers are commonly used with the name servers ns30.llevon.com.br, dns71.centraldedominio.com.br, dns72.centraldedominio.com.br, ns40.llevon.com.br and ns14.llevon.com.br.
Host names with one IP number: The host name ns10.llevon.com.br points to 187.0.205.8 and the host name ns20.llevon.com.br points to 187.0.205.9.
Mail Servers
cref-sp.gov.br is handled by a single mail server, cref-sp.gov.br.
cref-sp.gov.br points to a single IP: 177.154.155.117.