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Total

DNS

Email

Security

Network

100

Availability

Domainusp.br

IPv41

IPv60

MX records5

StatusActive

Domain technical report

USP – Universidade de São Paulo – Universidade pública, autarquia ligada à Secretaria de Estado de Ensino Superior de São Paulo

usp.br

Generated: 2026-08-08T21:29:18-05:00 · Cached result

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IPv41

IPv60

MX5

NS4

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

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 policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

38 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 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 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

200.144.235.134

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 ALT4.ASPMX.L.GOOGLE.COM.
1 ASPMX.L.GOOGLE.COM.
10 ALT3.ASPMX.L.GOOGLE.COM.
5 ALT1.ASPMX.L.GOOGLE.COM.
5 ALT2.ASPMX.L.GOOGLE.COM.

TXT

10 record(s)

"google-site-verification=1zlUdVSw4V3to-BYPd-ShRkHcItALQOMo4rYdpZgIMc"
"adobe-idp-site-verification=3d0fa6faea996f27affdf872d7878e8de055cc8e615d1f003206628cfc51d39d"
"google-site-verification=DfpL6iunQOozEmRpV6jQw7Xzi50WFqkleKUSWFP4E9E"
"google-site-verification=B-a5E-Sy8BehZhS4BFLEwaGphwi9Cg4X399gA3LVAJw"
"MS=D2823B9521EF2B257E8207302DCDC556C00D5564"
"ZOOM_verify__T-3IyYPSHyIWah1a_5IMA"
"_globalsign-domain-verification=oSaIACRn01QZ_STpNrrROxkvBdtG8B8apWgXLse-yI"
"cisco-ci-domain-verification=72ade127784397f7e0e3dfb71bade67af550814769bb5512109576ef440f9c8c"
"google-site-verification=doG9hHS-x68eyfg8VhLH1AkrYb_dl3k7i1j1weA7NlA"
"v=spf1 include:_redesusp.usp.br include:_spf.google.com -all"

NS

4 record(s)

ns1.ansp.br.
c.dns.usp.br.
a.dns.usp.br.
b.dns.usp.br.

SOA

1 record(s)

a.dns.usp.br. hostmaster.usp.br. 2018083544 14400 3600 1209600 300

CAA

18 record(s)

0 issuewild "amazonaws.com"
0 issue "symantec.com"
0 issue "digicert.com"
0 issuewild "globalsign.com"
0 issuewild "certum.pl"
0 iodef "mailto:stidomain@usp.br"
0 issue "amazonaws.com"
0 issue "certum.pl"
0 issue "comodoca.com"
0 issuewild "letsencrypt.org"
0 issue "sectigo.com"
0 issue "godaddy.com"
0 issue "letsencrypt.org"
0 issuewild "digicert.com"
0 issue "globalsign.com"
0 issuewild "comodoca.com"
0 issue "pki.goog"
0 issue "identrust.com"

DS

1 record(s)

23907 14 2 7BB9A7DF22C2545E3897511DCEFADFAFCCCF38C82308F4636C97B6E4 28DD8B8D

DNSKEY

2 record(s)

257 3 14 1ZgUV1qIEnW1+Lj1fbkd+5fnkBj1AyO6ofT4rilAqor3SJY/kFYy8L/X hL0STSinfxBO/kz4FZVUZyxn/WbpJ43+CAtE/tCJXGifGs28XOliHl6d 3Ytp17EXoGLx+cL2
256 3 14 YGqs+/9KQNO9dtVEhOg2aIssOYWgnv+5IiF/8T6Pfkznao03uXV/SDyP lSksATPMjEOeRF6Pd++o6q8TOK4YJ+3pGE5VxxIvAdGMxZlmCbDJkcQt RIndfCOCOaAs0xRO

RRSIG

6 record(s)

SOA 14 2 1800 20260822232303 20260808222303 55869 usp.br. 6oq+OA2+9IzZmV3X68Z/+GH2Uzz+ritXBrthzjGYQMnZCaH49KgvsbXc mvTrRn2QWkgo8cI1jiSuZ8R6lnMJC6+LWfyIxBCxLEBGkllhf/GxCIDJ bQCeFAODIXRKMGJA
TXT 14 2 1800 20260822200103 20260808191042 55869 usp.br. Pdc3VM51LKCMDvBdfUauhpTwsUd3yLLfwR0Ewf317gds/sB+FhvibVK1 n4X6ifBLPGJp00egIVqDMD0B5WaZBmfeCU2fqb/RvuiD1rRnPcRwJhZy 25SUVdHdOjAfX7Yn
A 14 2 300 20260820092401 20260806090819 55869 usp.br. ehdMig6U4PjYKcZSBauvtYhFcI7RjOStrhuT4Oad5rVF46shK/KFSdOM wOX2AJBXmkyiOkuL8+bJIQYeeHZ5SfVMH3TsAFiZmoYPXJNcG9eK33gy QfB18lSqZjvrSCOT
DS 13 2 3600 20260819125505 20260805115505 52637 br. u4MieujKLd6w2l/KxpN04qdAB5AwByJg5ZvbYHIyQZPnP+pqSHq8vS1r zUtbf0ol0twf+xrpOSZOOvxHnp3ikg==
NS 14 2 1800 20260820084018 20260806075945 55869 usp.br. i85mNJXRFIZgwHob8ScFZn1S8kULnb+plXLKXKgn5Ef4sv+pszdimQnc y/P+5iomiIteDPVMv3Eb0Nq8gY6iGXb8HnYkCJJieRxHfYRs+qJ1/qa2 9QIH3H57pkhdM3tY
MX 14 2 1800 20260820093425 20260806092958 55869 usp.br. 7nJLjqrRYvUShxVsX81KK8M5jNg9ukETMvSniz1NgKqWsXzCzUZyH7Ud h39tiftNi/6wVN2FGi1PHOEuJ88J/sQYDucm+6WYC0OxASEW/0zwQnwc fnvF4Wa8QW+BxYyN

NSEC

0 record(s)

—

Not configured

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:_redesusp.usp.br include:_spf.google.com -all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:dmarc_rua@usp.br; ruf=mailto:dmarc_ruf@usp.br; sp=none; pct=10; ri=86400

DKIM

Selector mail

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtCa5Pc0TlzvM+AAIce0cq9dBjNDpxRRU+sDrkaTno97PappwW2UIBPOgO/Y7ps0HHXaQZIReFcTChX1IjCUxrLMkx+p64ky7ERoFYd7A3hPTbts7aTHcZUko3QBXk13WcdquGPcvr39iR7YtusLPXs4gs2/3bj0YxGArtnZNFJJpZ4z8BD7dovuDVJF2jAGOO1BUdigvmkdJcJeQRxkGjVCjzRYG7lyBnR6kIAcFWt3b8OlbV/ONyhCbdqZLubtFHUQcPL6FuLr5N18Jbj3DAWoIORWqWZ5g9adhKJOBzXRUQfWAxa5jocSaySWfIVz8nids3dsGyGXzHfn4W59o0QIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

USP – Universidade de São Paulo – Universidade pública, autarquia ligada à Secretaria de Estado de Ensino Superior de São Paulo

Description

Final URL

https://www5.usp.br/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www5.usp.br/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GlobalSign nv-sa

*.usp.br

Valid from

2025-08-15T11:46:07-05:00

Valid until

2026-09-16T11:46:06-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-GCM-SHA384

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

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

200.144.235.134

62,82 ms

Cloudflare

1.1.1.1

200.144.235.134

189,00 ms

Quad9

9.9.9.9

200.144.235.134

177,25 ms

OpenDNS

208.67.222.222

200.144.235.134

155,47 ms

AdGuard

94.140.14.14

200.144.235.134

179,38 ms

IP, geolocation and ASNAssociated network information

200.144.235.134

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

ALT4.ASPMX.L.GOOGLE.COM

Port 25: Closed/unreachable - 0.6 ms - 
Port 465: Closed/unreachable - 4013.4 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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