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Total

DNS

Email

Security

Network

100

Availability

Domainufrn.br

IPv41

IPv61

MX records8

StatusActive

Domain technical report

Portal da UFRN

ufrn.br

Portal da Universidade Federal do Rio Grande do Norte - UFRN

Generated: 2026-08-09T19:06:24-05:00 · Cached result

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IPv41

IPv61

MX8

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

8 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

DMARC0 / 25 pts · Mail

DMARC policy not found.

✓

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

87 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 DNS30 / 30 pts · Network

PTR: ciclo.info.ufrn.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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

177.20.144.66

AAAA

1 record(s)

2801:8c:0:b0::a007

CNAME

0 record(s)

—

Not configured

MX

8 record(s)

10 dmx.info.ufrn.br.
10 dmx1.info.ufrn.br.
5 ALT1.ASPMX.L.GOOGLE.COM.
10 dmx2.info.ufrn.br.
10 ALT4.ASPMX.L.GOOGLE.COM.
10 ALT3.ASPMX.L.GOOGLE.COM.
5 ALT2.ASPMX.L.GOOGLE.COM.
1 ASPMX.L.GOOGLE.COM.

TXT

3 record(s)

"google-site-verification=kPxAFQyuqms0gCl-af4JyEqW4uEDfHNrgUK2HjdQwCU"
"v=spf1 include:_spf.google.com ~all"
"globalsign-domain-verification=784C98F2510DD1760113B62AA20B9C44"

NS

2 record(s)

ns2.ufrn.br.
ns1.ufrn.br.

SOA

1 record(s)

ns1.ufrn.br. root.dns.ufrn.br. 2026072801 7200 3600 2419200 60

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 20260821171505 20260807161505 52637 br. B5fQs4kvaVhKyXgqos34du4UAh1g2TyxeLWF8PnUMwwXj+HVXx1xxk2o PFZOWbj9Xv55SJRrGE1ps8i/cwp1PA==

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

Not configured

—

Not configured

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs1VONmNfgPgdUPnlnx+fZQiSIvSJ3SwtGVkCNufGKhqqHeMjLrtQ6StXqSl98HGSX5SbebT6oxZO602wT1yBb3VjRS85Jc7Xjs15IipqDAEyzRYQ8ZSaFo7bx7aJkcRNpRBWhA1aQTUPwNRwdXCl9dVanHkiRL2V4tDr7OlZO9YID+29Rt08M+fFy66wtiKXK73mC5+ltw0s7hEuekWgNyPJ4Sg1w87KaO1RMX5AZPpbepyCHUvPfmhtHBFQUTG7VWbOQPZSu1funW1BmQuJIZ4ykC1DzfQ+6Azxcg8Z8Erhxa2XfZnwReOFQ6QK94WGhZW3iTZhdt/r4GEnsTrmowIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Portal da UFRN

Description

Portal da Universidade Federal do Rio Grande do Norte - UFRN

Final URL

https://ufrn.br/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://ufrn.br/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

ufrn.br

Valid from

2026-08-07T05:25:15-05:00

Valid until

2026-11-05T04:25:14-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

177.20.144.66

281,20 ms

Cloudflare

1.1.1.1

177.20.144.66

364,03 ms

Quad9

9.9.9.9

177.20.144.66

215,13 ms

OpenDNS

208.67.222.222

177.20.144.66

732,81 ms

AdGuard

94.140.14.14

177.20.144.66

323,37 ms

IP, geolocation and ASNAssociated network information

177.20.144.66

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

dmx.info.ufrn.br

Port 25: Closed/unreachable - 117.4 ms - 
Port 465: Closed/unreachable - 117.1 ms - 
Port 587: Closed/unreachable - 1.4 ms -

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