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79
Total
75
DNS
90
Email
81
Security
20
Network
100
Availability
Domaincorreios.com.br
IPv41
IPv60
MX records1
StatusActive
Domain technical report

Correios

correios.com.br

Os Correios conectam você ao Brasil e ao mundo! Acesse nosso portal para rastrear encomendas, calcular fretes, conhecer serviços logísticos, postais e digitais. Simples, rápido e seguro!

Generated: 2026-08-09T13:02:01-05:00 · Cached result

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IPv41
IPv60
MX1
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 policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 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

47 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 DNS0 / 30 pts · Network

PTR not detected.

i
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)
186.211.255.80

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 correios-com-br.mail.protection.outlook.com.

TXT

7 record(s)
"globalsign-domain-verification=Dmqwl5n2NjS3n0PNfcJV1juLpeRxmkeyCyW-gOSfJK"
"Dynatrace-site-verification=79b80282-44b0-4146-9b2d-43bc1b3ac606__qsqu821ai1ido281u1bc4rlfd6"
"MS=29C126E6850B5CBE7C210125FA2E751926849962"
"S1H24bt45BKOdzQSNJxdQcLEKKvEF/r3bM+v1UZ+NtlUd9KFHEKSKTjLD3ZBqtEqfqg9iAB8cwExffGBkVLjKA=="
"MS=ms24967708"
"google-site-verification=80BfDQu4N5U9hKTms4bM9q5UF3FzOpmgoZ3PzexUcvQ"
"v=spf1 mx include:spf.protection.outlook.com a:mx1.correios.com.br a:mx2.correios.com.br ip4:201.48.198.27 ip4:201.48.198.26 -all"

NS

4 record(s)
ns2.correios.com.br.
ns4.correios.com.br.
ns1.correios.com.br.
ns3.correios.com.br.

SOA

1 record(s)
ns1.correios.com.br. admindns.correios.com.br. 2026080315 3600 1800 2419200 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
64009 8 2 6BB32E8FAC172A7DDBDF73FA20E00148E636194D1879A85EE4CF04F4 B2EC000E

DNSKEY

3 record(s)
256 3 8 AwEAAc2arpIXysZe/wercWRsOXDos82jQ75Zy58qWic1Vf/dbddrMHuo zhEtxmPJv4YbWZH1bA4Dbu7zEHSNsAAFarao9+bECrxP29FvNiMtkRXB UQmi5aSHGGO2mgFbg2Q1SwUiJWI6ngH76ITkwBM+u6SbIbxc4j6MX5HN jlZo9Y0h
256 3 8 AwEAAZmd23YLgnCIV8eCy19PfrEvHiGdcgBXRjpoRBUddynDppCZpT7n IrLiqXrJGHhY123zDElElkXEAB5d77iO1kK8kI0VV/lM3yjzPTYjJEU8 c/XeROHvfdblZcvjztR2FvLrCtL5xzzgrYiH2667A5ulHsccmkQdk/Fb 1m4blHAz
257 3 8 AwEAAZcyyV2nY2J69G7IRir3aRCGC7iWlGYXksj92eIX+JYisWDW2JcY 5ZibL4zFJWqhaRZLuMOaIFFsUiUK8jsdLve/X9qnLQeFtqBJu5PEsrBg 9s0jjC7K8QBMjtFcxlZEMv7EwIXM0XkfWO/mYZfiJvPCj2Grzpp30lcp O+leYtpP9IwE6Yx2MPZnCDAXXT9kLLxLeqssLUAU7GDm0cdv9xIAJxEc DS+fSJcOPxVYlek7Sfo01hYfppv0zgKNeuw/pzIscRKsD/ZMkXn0umyo x6kwkSr+ZNlWlxj3+6ZsdpbUFpRchI5o0QZVQoJd5DBLpo+OxHO7FZZL EsQbkQJe5fk=

RRSIG

3 record(s)
MX 8 3 3600 20260812220620 20260805210620 60138 correios.com.br. Na/z0vka+bvT26JTWq9dCp7LVtBZEq94IwQ4SSCkesFdQ5aYOL0HIJ6h igpN8Xd4F/uphodsJqX3jhPCujTmWYdkCqIcQBeGx47sMEOzsVb5TiCc EpV6+Ev1SHAlImSAtm0C8W9BZ0zus/SFJognGjU+fRXKkHQaS4gnTSqP LT4=
MX 8 3 3600 20260815060555 20260808050555 60291 correios.com.br. HuDPCFiJ7/K0UT2ppYYuUV5zgaS69IgSaYneDnol8h7x1U2dTeMkfDEh qIBJS4Pow/3xz/gs0qDle7vGMUXQoyWf99ODD7xF2ZNVHIhrNRKvoi1l InKlSP7LOFBbNutr1DcaJN4320W43Qgd3r7iMASjQqll9n1hPCQyfiQ5 Y6Q=
DS 13 3 3600 20260819200005 20260805190005 18646 com.br. mhgnCez9EP/W44Pk5dU3fn7bsjWetIEzfC87gFxXeLPNqn0xJPzkLB8P jjy17E/Zj8odFyckjj3NTPFQ1EQ/5g==

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 mx include:spf.protection.outlook.com a:mx1.correios.com.br a:mx2.correios.com.br ip4:201.48.198.27 ip4:201.48.198.26 -all

DMARC

Configured
v=DMARC1;p=none;sp=quarantine;pct=10;rua=mailto:gcorseguranca@correios.com.br;

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6S+z2hwX3MyTxlDUWLc8PM78PA58LIaZoFC9ZLj0EoAwhm7tS5HJPgpQkxbrBvCgl2lLMRA8/90Oij7M/tB79BVZeCFWx8GxLVINozJpSY5udvQN9xPo9qmXAl4aXnEz1bCPJhtqMpqwRB4Tu9y8B1rcaAKhF6maqGwNkeuW3sFHnaM5yyHc3kHLlEc/1YFeSTx36pq87RWQKeJjsoEQ0DXFreVg25uCEv/y1AsCureKX5H/myLV/sQCk4VrVcF8KIJ3IHlnstqsfZK6xR86bYH1hIMc4BVFFy5NEETZzcsuP3yYxCnSACRdiFsOq5e98zX9K82U8tuyGYsio+raZQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Correios
Description
Os Correios conectam você ao Brasil e ao mundo! Acesse nosso portal para rastrear encomendas, calcular fretes, conhecer serviços logísticos, postais e digitais. Simples, rápido e seguro!
Final URL
https://www.correios.com.br/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.correios.com.br/
Version
2
Server
LoadBalanceExt2
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.correios.com.br
Valid from
2025-09-10T19:00:00-05:00
Valid until
2026-09-25T18:59:59-05:00
Days remaining
47
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
✓
Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
186.211.255.80
174,59 ms
Cloudflare
1.1.1.1
186.211.255.80
155,14 ms
Quad9
9.9.9.9
186.211.255.80
331,88 ms
OpenDNS
208.67.222.222
201.48.198.80
167,26 ms
AdGuard
94.140.14.14
186.211.255.80
176,84 ms

IP, geolocation and ASNAssociated network information

186.211.255.80

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

correios-com-br.mail.protection.outlook.com

Port 25: Closed/unreachable - 22.5 ms - 
Port 465: Closed/unreachable - 4018.5 ms - 
Port 587: Closed/unreachable - 4043.5 ms -

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