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Total

DNS

Email

Security

Network

100

Availability

Domainestadao.com.br

IPv42

IPv60

MX records5

StatusActive

Domain technical report

Access Denied

estadao.com.br

Generated: 2026-08-09T02:53:22-05:00 · Cached result

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IPv42

IPv60

MX5

NS6

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

6 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 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

97 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: a23-33-29-133.deploy.static.akamaitechnologies.com

✓

IPv4 diversity35 / 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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

23.33.29.133
23.33.29.150

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.

TXT

11 record(s)

"Sendinblue-code:9152b0c78e4dae69c19213ebdbef1db6"
"_globalsign-domain-verification=7JmN6dazOT7LXjyHvi_YmaRlN4ZcwfGCyQ7CfElelu"
"facebook-domain-verification=19xgo4ctih8v8xh0ttg7hdltovglsk"
"_49wm705ueclygkpgcb8mddvnq8znrb2"
"google-site-verification=XibEw4rbPTDxDR6WZs4q_VkH4V79zuMRFpxsxqymV50"
"v=spf1 include:estspf.estadao.com.br ip4:200.185.145.57 ip4:200.185.30.66 ip4:200.185.30.67 ip4:200.185.30.0/24 ip4:34.23.30.107 include:spf.sendinblue.com include:_spf.google.com ~all"
"google-site-verification=zMDULq4lHdUc8ediCrPICTdLwJ71HmqwPF6q_M1BNk0"
"google-site-verification=PfiLKXdZ8G42sTRx1JwiEfHMkIoKwxG8pFKwjhhxZ8c"
"facebook-domain-verification=q6993nvmge3k2sibrlmsyykr8l6l9v"
"google-site-verification=skD0l2bsfj6ojexH5tdAASTD8H7rmQFiS59dh9YEHWk"
"facebook-domain-verification=nurd4vwd9tm151w0aoc0bojapchbqr"

NS

6 record(s)

a4-67.akam.net.
a20-66.akam.net.
a1-97.akam.net.
a2-65.akam.net.
a13-64.akam.net.
a5-64.akam.net.

SOA

1 record(s)

a1-97.akam.net. admin.operacoes.estadao.com.br. 2014091395 3600 600 43200 21600

SPF

Configured

v=spf1 include:estspf.estadao.com.br ip4:200.185.145.57 ip4:200.185.30.66 ip4:200.185.30.67 ip4:200.185.30.0/24 ip4:34.23.30.107 include:spf.sendinblue.com include:_spf.google.com ~all

DMARC

Configured

v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

DKIM

Selector default

v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBLTlS2DySFDRCsAqkUsIjAI7RvuRS6q5aTMyrdp9LogFjO7yTQKw/vw+bKrhHu1NuVWciRNp32m6E/imM5waqWL7w9xh4O8ap0jwORILrJvl/4NLLWXR/LuzIzmZ61nChq0vDOjdzCmBR6mALwzES4Ss2gPwldmTbtmVN14+0aQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Access Denied

Description

Final URL

https://estadao.com.br/

HTTP status

403

HTTP

Status

HTTP/2 200

Final URL

https://www.estadao.com.br/

Version

Server

openresty

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

estadao.com.br

Valid from

2026-04-29T19:00:00-05:00

Valid until

2026-11-14T17:59:59-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

—

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

23.33.29.133, 23.33.29.150

48,16 ms

Cloudflare

1.1.1.1

23.33.29.133, 23.33.29.150

34,80 ms

Quad9

9.9.9.9

23.211.127.20, 23.211.127.40

90,22 ms

OpenDNS

208.67.222.222

23.33.29.133, 23.33.29.150

181,70 ms

AdGuard

94.140.14.14

23.200.88.53, 23.200.88.62

56,20 ms

IP, geolocation and ASNAssociated network information

23.33.29.133

No data

success

country

region

city

asn

organization

isp

23.33.29.150

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

alt1.aspmx.l.google.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4020.8 ms -

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