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91
Total
90
DNS
90
Email
81
Security
100
Network
100
Availability
Domainufscar.br
IPv44
IPv68
MX records5
StatusActive
Domain technical report

Universidade Federal de São Carlos — Universidade Federal de Sao Carlos

ufscar.br

Generated: 2026-08-10T06:04:17-05:00 · Cached result

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IPv44
IPv68
MX5
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

8 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 propagation0 / 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

186 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: server-54-192-55-31.ord56.r.cloudfront.net

✓
IPv4 diversity35 / 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 response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)
54.192.55.31
54.192.55.79
54.192.55.94
54.192.55.127

AAAA

8 record(s)
2600:9000:200e:7200:9:2371:3e40:93a1
2600:9000:200e:fc00:9:2371:3e40:93a1
2600:9000:200e:7600:9:2371:3e40:93a1
2600:9000:200e:9c00:9:2371:3e40:93a1
2600:9000:200e:4800:9:2371:3e40:93a1
2600:9000:200e:3800:9:2371:3e40:93a1
2600:9000:200e:800:9:2371:3e40:93a1
2600:9000:200e:bc00:9:2371:3e40:93a1

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
10 aspmx3.googlemail.com.
5 alt1.aspmx.l.google.com.
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.

TXT

3 record(s)
"_globalsign-domain-verification=5RP9TkLw1WbzWTJhDaJyqxG7Y0soyZVS_yo6VtEzkB"
"v=spf1 include:_spf.google.com -all"
"google-site-verification=0SlHi-uzSLmAiaqU_QQvYfV13_359q-72OquG_SxwWY"

NS

4 record(s)
ns-531.awsdns-02.net.
ns-1946.awsdns-51.co.uk.
ns-1501.awsdns-59.org.
ns-467.awsdns-58.com.

SOA

1 record(s)
ns-1946.awsdns-51.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

12 record(s)
0 issue "awstrust.com"
0 issuewild "amazon.com"
0 issue "letsencrypt.org"
0 issue ";"
0 issue "globalsign.com"
0 issue "amazon.com"
0 issue "amazonaws.com"
0 issuewild "globalsign.com"
0 issue "comodoca.com"
0 iodef "mailto:citi@ufscar.br"
0 issue "amazontrust.com"
0 issue "pki.goog"

DS

1 record(s)
26184 13 2 21CA2F8D54DECD6E41A6EC47957C10029AB6D6A670D31D9E3D0F2791 83D7AAAE

DNSKEY

3 record(s)
257 3 13 jxGQ2m56udiTCaj4CLN/zU4gG94PIuybalYwOVdILa8WV7kmcJjRH19c pN4b+cLvUis7LpR311VwJvoJGA1gdg==
256 3 13 NJhq0rV75jrH3WzOnknpnjatMw+x9bmtdlNy5L5Cf3GrtjNqFSf5NRfj A7WiXJp5iPvuM6geZvxiZp65U4xgbQ==
256 3 13 h5HTfhRphKN0q5SR7KVr8WCX3JfLuE9b/JaRjjK6TLN1/wT4NItK8LGf UWyBAtoteiFdLrhL5yP31ASoHFu6Gw==

RRSIG

4 record(s)
NS 13 2 172800 20260812120406 20260810100406 25143 ufscar.br. m09j7zTcyN3ky1LJ5DomgPEXCvIfa/ZvOwlzUWVzDHOwgaPKArTV1AXe xGDK/q5XkgQauDyX4he67k+4vmzvkw==
MX 13 2 14400 20260810160406 20260810100406 25143 ufscar.br. w+sJnW4YdFU+fsgP7Uh3m/VC6q0OsHXPZQV5O+VEdDpIMSWjByIYn0Hp CJG70K9ljybU0cBqnXSvfSOq8cG0Rg==
AAAA 13 2 60 20260810120506 20260810100406 25143 ufscar.br. CMyfzGoMb+HAwmyjUl+hn2CBxZJfDzx74PsXmTG/j24qXCZkZidcIAaV mB89LfP2tz+/y30aEEf5TsSUp9aixA==
DS 13 2 3600 20260820083504 20260806073504 52637 br. O55HsHmrREtmctR+tM7GfUVNdmsCxni3xWtRJ/0wBUxPXTgpB/EQHQuJ JDmDldYpzGFkuPc/zs12WmJeZW/ApQ==

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:_spf.google.com -all

DMARC

Configured
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:dmarc-sin@ufscar.br; adkim=s; aspf=s

DKIM

Selector google
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAggaXKJndHNNV8oOTS1Jnu/wbvzgCa4CWICMeXi/FYpBXdS9hzzMUlHgsj9QHGQESuz6+CHhABa3YP+kIVkDIol+isGs6vwCbZKnnvTdJHKizBMKh++KceTDPVgnw1JzomoHypnZ/DZp+q8d7iEJFPPPwDBO1WM7/xHz7/lwLrptKXlv6wvcWBDpWLI7ElavfGWRWrxA4xSxT8TY6u58fwUNkOyO9/Z0h2m1wJz5SJCUpCTrhOLIl6SZv1i4oUc8Ko66CTTjCdjFNv3LbceiWzxqdA2V0MysQe4ZFXz6FEo/hK8EDJSp9eZE34oJbMWy9Ls34Lel0eGed/6Gpx5NYXQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Universidade Federal de São Carlos — Universidade Federal de Sao Carlos
Description
Final URL
https://www.ufscar.br/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.ufscar.br/
Version
3
Server
nginx/1.24.0 (Ubuntu)
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
ufscar.br
Valid from
2026-07-29T19:00:00-05:00
Valid until
2027-02-12T17:59:59-06:00
Days remaining
186
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
54.192.55.127, 54.192.55.31, 54.192.55.79, 54.192.55.94
59,22 ms
Cloudflare
1.1.1.1
54.192.55.127, 54.192.55.31, 54.192.55.79, 54.192.55.94
105,11 ms
Quad9
9.9.9.9
108.157.150.47, 108.157.150.49, 108.157.150.6, 108.157.150.92
398,88 ms
OpenDNS
208.67.222.222
54.192.55.127, 54.192.55.31, 54.192.55.79, 54.192.55.94
31,25 ms
AdGuard
94.140.14.14
108.157.150.47, 108.157.150.49, 108.157.150.6, 108.157.150.92
45,17 ms

IP, geolocation and ASNAssociated network information

54.192.55.31

No data
success
No
country
region
city
asn
organization
isp

54.192.55.79

No data
success
No
country
region
city
asn
organization
isp

54.192.55.94

No data
success
No
country
region
city
asn
organization
isp

54.192.55.127

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

aspmx3.googlemail.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4017.4 ms - 
Port 587: Closed/unreachable - 4001.2 ms -

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