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Total

DNS

Email

Security

Network

Availability

Domainwww.gov.br

IPv41

IPv61

MX records0

StatusActive

Domain technical report

GOV.BR

www.gov.br

O gov.br reúne, em um só lugar, serviços para o cidadão e informações sobre a atuação de todas as áreas do governo.

Generated: 2026-08-08T19:48:29-05:00 · Cached result

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IPv41

IPv61

MX0

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

MX records0 / 20 pts · Mail

0 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

DMARC0 / 25 pts · Mail

DMARC policy not found.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

161 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

HTTP/1.1 403 Forbidden

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

161.148.164.31

AAAA

1 record(s)

2804:151:3:2:161:148:164:31

CNAME

0 record(s)

—

Not configured

MX

0 record(s)

—

Not configured

TXT

2 record(s)

"v=spf1 ip4:161.148.21.192/26 ip4:161.148.50.192/26 -all"
"bE6LcxVH1400jsb9rg2yrTP0r6mdQlD21g2PKwPPO4s="

NS

4 record(s)

spo1.serpro.gov.br.
bsa2.serpro.gov.br.
bsa1.serpro.gov.br.
spo2.serpro.gov.br.

SOA

1 record(s)

bsa1.serpro.gov.br. hostmaster.serpro.gov.br. 2026072800 14400 3600 1814400 900

CAA

0 record(s)

—

Not configured

DS

1 record(s)

55504 8 2 3298CCC079A7054836F73539941E1BF68779F05CCEA21850C72FF87C E62EDE1A

DNSKEY

1 record(s)

257 3 8 AwEAAeKkY33Z40ZwH0sHO757XUAzV5OgYORKj5uMpiyUNhrClTnVWpT/ u/KFkqCYNjYyaSlMvX3XikdttjIMSvTxgbkc/lSN7YJSHUkvEHvcjgx7 ++H7npOCk6raTm8oCXKEbkEfVoKwbOhEM7jv29bzrdmhzgF1ESDhOP9g YW8Q4XLL

RRSIG

6 record(s)

DNSKEY 8 3 14400 20260823043113 20260724042856 55504 www.gov.br. 30q3k/kO2M+MOAvIUodD4DJmBsPldjk/vxIv7rd691Hd75jz+5ZOzVfw HeQNz+st4MFEmmFVtkBdVXjsl8fy2k5keNX9Vrel9IeLB5xLxgUbHANF CP3ZGpFRyMxvxxZE2RtWZxcF3ZggcXBcgLXVUTn3sVUMJFQzzF8O9KCz 5wI=
SOA 8 3 14400 20260827090522 20260728080522 55504 www.gov.br. lH10yx1YzjcldJr6tCX1atXHUEkijmXzRkkOolmHdhuNPrd4bB230pnq gcf1ZLi4jFJd9H1OwT9/m03v1GM6hllT/nCnCPbwAqXtA8oEICI+Xejw MSIxCoxSLZu5c9lJe3vkMA8dHNbw1+YS8Xyhdx7CuaexlZaD/xmxDnDV NUs=
DS 13 3 3600 20260819074005 20260805064005 18646 gov.br. whw69ruG7eNryp3gWtaQlxbd5W8Ncibi97So1ppS15BhGUjOxg2RKa/j bANZbSwIKaQsRyNntahMP3YPws/fxQ==
NS 8 3 14400 20260827085055 20260728080522 55504 www.gov.br. WZkInqBM9O6JFNlXrPd3JRy2yxVxxZyP/CfeHmvn7aCFlAlJCOvDuSda qKx5O+v3cMPibUm76azlvP6+QntIumNOQogzHGaJr+4EIOA+OL8ata6K lCAgvGHao7r9RC2/dOT11PnZfzx94/d/rdC/a/GziVKpai8QdsKdzPjK 2fY=
A 8 3 14400 20260827085055 20260728080522 55504 www.gov.br. c/HDsKd6ZB2kRn4eUT7+9YZk6wLwIiK+C/CDdwP4NckJCo7aECA2IvWL SIM/Rr5DgOcfE7k+oRY5Uw16zXkwUO/ZZuElohFUCkjT0xS3g3UTgANi KJdxEvEzUxPDOZJU+nXD360xeDtOMpPV9gwy0/HA8lmUA66obeAl2tqi ciA=
AAAA 8 3 14400 20260827085055 20260728080522 55504 www.gov.br. GMRnrzvjGCYxGhhq5K/FzYClhd7iMbKZcxZ5cTKI4GZyKEAfPSj+eh5q KBwoTNgopF6muLV9nrwgEnO9BM4UDmeh1dsnehBWRSJ3NZ8UNtZqoteu pIe7f+kJx55XUUQ1C5XfAskhXYqxivE0gkVJoYWwng4V99zRJVyrY3aX LlI=

NSEC

1 record(s)

govshield.www.gov.br. A NS SOA TXT AAAA RRSIG NSEC DNSKEY TYPE65534

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:161.148.21.192/26 ip4:161.148.50.192/26 -all

DMARC

Not configured

—

Not configured

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

GOV.BR

Description

O gov.br reúne, em um só lugar, serviços para o cidadão e informações sobre a atuação de todas as áreas do governo.

Final URL

https://www.gov.br/pt-br

HTTP status

206

HTTP

Status

HTTP/1.1 403 Forbidden

Final URL

https://www.gov.br/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GlobalSign nv-sa

gov.br

Valid from

2026-07-02T08:46:23-05:00

Valid until

2027-01-17T07:46:23-06:00

Days remaining

161

Protocol

TLSv1.3

Cipher

TLS_CHACHA20_POLY1305_SHA256

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

161.148.164.31

61,17 ms

Cloudflare

1.1.1.1

161.148.164.31

46,02 ms

Quad9

9.9.9.9

161.148.164.31

393,05 ms

OpenDNS

208.67.222.222

161.148.164.31

51,96 ms

AdGuard

94.140.14.14

161.148.164.31

63,70 ms

IP, geolocation and ASNAssociated network information

161.148.164.31

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

www.gov.br

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021.1 ms -

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