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Total

DNS

Email

Security

Network

Availability

Domainunb.br

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Universidade de Brasília - Início

unb.br

A Universidade de Brasília é uma Instituição Federal de Ensino Superior brasileira. Pública e gratuita, oferta ensino de qualidade, desenvolve pesquisas de ponta e retorna investimentos à sociedade em forma de extensão.

Generated: 2026-08-09T13:18:57-05:00 · Cached result

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IPv41

IPv60

MX1

NS5

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

5 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 records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

112 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: unb.br

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

164.41.102.70

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 unb-br.mail.protection.outlook.com.

TXT

4 record(s)

"google-gws-recovery-domain-verification=71652625"
"v=spf1 include:spf.protection.outlook.com a:listas.unb.br a:listas.desenv.unb.br a:smtp.listas.desenv.unb.br a:smtp.listas.unb.br ip4:164.41.102.117 ip4:164.41.102.235 ip4:164.41.102.236 ip4:164.41.102.237 -all"
"google-gws-recovery-domain-verification=71652347"
"google-site-verification=OriEJdOzkMPVo0lh-vgI5-LBxYll0kJ6QvPfXWtkJdw"

NS

5 record(s)

dns1.unb.br.
dns3.unb.br.
ns2.gigacandanga.net.br.
dns2.unb.br.
ns.gigacandanga.net.br.

SOA

1 record(s)

dns1.unb.br. hostmaster.unb.br. 2026080704 14400 3600 1209600 3600

CAA

0 record(s)

—

Not configured

DS

2 record(s)

14927 13 1 0F4DF778FFC44A2D67CFF1F3575436B5F499841F
14927 13 2 85F2FA6AEF4ED4A1F8C3B0E10D5BF1FE20D1B939A9E35F7A25280807 0A4D792B

DNSKEY

1 record(s)

257 3 13 +LS6wBK2grLNoFi62yg5cLHbX4uRwMD6fbfQ7FzVL5jL9dM2c8X++qCC 6lKDUjYkQkHRZ/6hxBhusa9dUEXYSA==

RRSIG

8 record(s)

NS 13 2 3600 20260820000000 20260730000000 14927 unb.br. TqTXbq7RnYrd8lqBkBQE5IAME+/QPrK4fQmQ4VOuAOtNdFgvHs8oMm30 TVmUpYz2qOStfTUA+Tlo2UZg9cAxOw==
A 13 2 86400 20260820000000 20260730000000 14927 unb.br. XaKEeYUB8HOuq78GuYim5bLT3CZsdgCQLc7Jt1jwAwYdzbfvuVH1CQtZ XCH9hwvg33vbdB6pNVNWk8aiyHdxyA==
DNSKEY 13 2 3600 20260820000000 20260730000000 14927 unb.br. twN21MsybfB4igRsAIx2lEOtYCoNyR/UdZ7srEVKCFmDEX9GHk7GAuOY BvPjjXRZwPnkcYR+KzTrJGzzJ88jmg==
TXT 13 2 60 20260820000000 20260730000000 14927 unb.br. 64oKmn9ea0spC0UsnVFA/Z6mMNS7qhQVtUYJdQkotrJZlIUTjeHpb0AE o06SmYMcrhW1vJvSt1Q/giNzuPfSkg==
NSEC 13 2 3600 20260820000000 20260730000000 14927 unb.br. +4sU4t9DrDqzopBCWjr9HSo2H8O1MR55e3EGiBM19veIu4PFVZ4QUsPl hICkqYeZZX3YEUndgEf4yyoQkU8U1g==
SOA 13 2 3600 20260820000000 20260730000000 14927 unb.br. 7d5jc4XBMhmZpNIk34PUhP8qxBWSY1/hRx2gUEDkVVu2zsb1tb9jbgUc 97oZwpqoV4ATqt1PY3IV2u3rsF/+gg==
MX 13 2 3600 20260820000000 20260730000000 14927 unb.br. iB1JuOmPQlYOY/7wv+vfo2zna64Jfi/Lh92GyggshHS6svF42+UWWd7F QKHmgh6dQLwIJCjOQG34o95xlUfong==
DS 13 2 3600 20260821212005 20260807202005 52637 br. aWC5LG85ajur5PiT7Hn3+rGZfgh7gzZcIc7uP+q5+o5zKMFA8igjtOvN Cbd1JLRYUBCpQzdsiew2WWvlmSzAQg==

NSEC

1 record(s)

50anosbsb.unb.br. A NS SOA MX TXT RRSIG NSEC DNSKEY

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 include:spf.protection.outlook.com a:listas.unb.br a:listas.desenv.unb.br a:smtp.listas.desenv.unb.br a:smtp.listas.unb.br ip4:164.41.102.117 ip4:164.41.102.235 ip4:164.41.102.236 ip4:164.41.102.237 -all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:abuse@unb.br; ruf=mailto:abuse@unb.br; sp=none; ri=86400

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsVOVAvrEKoJucI4Fl6+4uKbo6y6Y8daSLm+V4ULwhjjICUkznxVjG2g7Ez/PagFxtnRaFPyFeCwSceLCNfo20AA+dlzNXQGljnrnJyOwP0O+UoLLU5mjy9gfRdhVc5+dMeJQOoU18pLObR4PxP5Dh3MJg9XRshS4nw88gnpiODLn6H9Ut/coCBFGj6RzrGW7ExbyI7YHcE7nkHhxmz0E09GWfNY7YfZVE/s4DE0mo33HnR0fgMpWMUaOuahcDcGxp7rVkjL6RbeV2bcpN5vbTBSFZXHk5jHDhRHSNwRSflp4EFfT++SV0+E3lt2Oru4JzN45hvH+7uj4jgbVynGuEQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Universidade de Brasília - Início

Description

Final URL

https://unb.br/

HTTP status

206

HTTP

Status

Final URL

https://unb.br/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

REDE NACIONAL DE ENSINO E PESQUISA - RNP

www.unb.br

Valid from

2026-05-15T09:21:17-05:00

Valid until

2026-11-30T08:21:17-06:00

Days remaining

112

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

0 active

—

HSTSNot detected

—

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

164.41.102.70

41,52 ms

Cloudflare

1.1.1.1

164.41.102.70

362,03 ms

Quad9

9.9.9.9

164.41.102.70

196,55 ms

OpenDNS

208.67.222.222

164.41.102.70

1.052,76 ms

AdGuard

94.140.14.14

164.41.102.70

311,58 ms

IP, geolocation and ASNAssociated network information

164.41.102.70

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

unb-br.mail.protection.outlook.com

Port 25: Closed/unreachable - 25.6 ms - 
Port 465: Closed/unreachable - 4044.6 ms - 
Port 587: Closed/unreachable - 4040.7 ms -

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