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Total

DNS

Email

Security

Network

100

Availability

Domainufsc.br

IPv41

IPv61

MX records1

StatusActive

Domain technical report

Universidade Federal de Santa Catarina

ufsc.br

Generated: 2026-08-09T07:47:14-05:00 · Cached result

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IPv41

IPv61

MX1

NS2

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

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

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

85 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: paginas.ufsc.br

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 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)

150.162.2.10

AAAA

1 record(s)

2801:84:0:2::10

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 mx.mail.ufsc.br.

TXT

9 record(s)

"workplace-domain-verification=1vecHiiu79FlfIAApHGwXJXxuKMpqZ"
"MS=ms89461940"
"_globalsign-domain-verification=hpESq7TnipJt38DdKie0fqVXoPb1ZVh0nSugCvsT6n"
"google-site-verification=afndgkpvhrichQIjRTwN_s08wn_tDpHPXnU0CqtAQpE"
"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWawxl+GTWO4Yeq6Q1krkcYCQ0md1bJIwr3QdmK2dL8jgO0ohMuWywH7f0RcYlT3K/MMi7UnoHumrSsF1BfqrdJlCzdQvj1EI0acYUu68++lllzFkWwM81dhvRgJjYKddnB/5cO0OjTa6R3cdfS4u08tOp1afgUjYS1SF3JBr6bQIDAQAB"
"v=spf1 include:_spf.mail.ufsc.br ip4:150.162.2.97 -all"
"MS=ms43621418"
"google-site-verification=13jcRWPErxsFUOU6ACfvEeJP8FtMW5rDMZMwi6MAmJA"
"autodesk-domain-verification=4BsQk9mP4ZDw7glMe2hE"

NS

2 record(s)

slave2.ufsc.br.
slave1.ufsc.br.

SOA

1 record(s)

slave1.ufsc.br. hostmaster.setic.ufsc.br. 1784725426 3600 900 1209600 3600

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

1 record(s)

NSEC 13 2 900 20260821162006 20260807152006 52637 br. GrUThphcd0iYISVWbhGMGnruMuyA3JWAjjodgwyX1Q+2cj7x/0U8MwEi Mz7laalvB0iQsMaQCbjkZNE4k4OdiA==

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.mail.ufsc.br ip4:150.162.2.97 -all

DMARC

Configured

v=DMARC1;p=quarantine;pct=100;rua=mailto:admin.dmarc@contato.ufsc.br

DKIM

Selector default

v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDcihdqRfupueFlIunx0ljptevV9lWmgUxqbH7ek+28zN4l0KGO4ufgxUtnTwIG3n+VO3nkASe18YBkP+849pD4bhhuzGHDHui1GiobUJcgZFpntJOglWqVchp0VL4/l9PqPq8ITuobr5SHkmfEviGxpCIfTNeKardu2FgUVLyFdQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Universidade Federal de Santa Catarina

Description

Final URL

https://ufsc.br/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://ufsc.br/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

*.ufsc.br

Valid from

2026-08-05T01:10:32-05:00

Valid until

2026-11-03T00:10:31-06:00

Days remaining

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

150.162.2.10

61,78 ms

Cloudflare

1.1.1.1

150.162.2.10

471,52 ms

Quad9

9.9.9.9

150.162.2.10

46,21 ms

OpenDNS

208.67.222.222

150.162.2.10

820,48 ms

AdGuard

94.140.14.14

150.162.2.10

342,57 ms

IP, geolocation and ASNAssociated network information

150.162.2.10

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

mx.mail.ufsc.br

Port 25: Closed/unreachable - 158.4 ms - 
Port 465: Closed/unreachable - 4178 ms - 
Port 587: Closed/unreachable - 4013 ms -

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