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15
Total
45
DNS
0
Email
0
Security
0
Network
20
Availability
Domaindef.br
IPv40
IPv60
MX records0
StatusActive
Domain technical report

def.br

def.br

Generated: 2026-08-11T22:11:53-05:00 · Cached result

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IPv40
IPv60
MX0
NS6

DiagnosticsMain findings and recommendations

!
IPv4 (A)0 / 30 pts · Dns

0 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 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 records0 / 20 pts · Mail

0 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

!
Valid TLS certificate0 / 55 pts · Security

No valid certificate was retrieved.

!
Certificate lifetime0 / 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 DNS0 / 30 pts · Network

PTR not detected.

!
IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

!
DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)
—

Not configured

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

0 record(s)
—

Not configured

NS

6 record(s)
b.dns.br.
a.dns.br.
e.dns.br.
d.dns.br.
c.dns.br.
f.dns.br.

SOA

1 record(s)
a.dns.br. hostmaster.registro.br. 2026224050 1800 900 604800 900

CAA

0 record(s)
—

Not configured

DS

2 record(s)
18646 13 2 CE64150243AB7B195514E231C6D423758AF0DD5345A2949BF5044DC7 E6E3F0CC
32604 13 2 7381AFD6EAF2DDB8F593A5F5868D85F2E074A7D1969783D1D89D560A 6ADD333D

DNSKEY

2 record(s)
257 3 13 ZQALkR1qggF6vz7Kmq+FOEHVWSwgJEGMtlDuUIThTPN9FlfKGa5gdswv VUSI6Kaf8l5iMX6EyKwNdvOJ2JgJWw==
257 3 13 eSOiBLBbNnqgq+XQk5KeVDIK37El2+34QbEBF+/jcswUj0WDiuhKzN7l /8i9bbAfDiOoICi15cY33NMB8JGDKg==

RRSIG

4 record(s)
NS 13 2 172800 20260826031005 20260812021005 32604 def.br. iDpy2rA2Q46HLKzRwL7uOygl6CDDIoMmod1S33mVkOYEJTKhR3VMq+bB yo37j+fHTcvvDFAnYCl5ywr8qe7uXg==
DNSKEY 13 2 21600 20260826020505 20260812010505 32604 def.br. pIkh+rLGUBVm78pKKaNutmoJBs5MjGRc3KIeM958ZP14//xRVuSMGRyK 6XPYFCux3demumtSH3UW8I248fPetQ==
DS 13 2 21600 20260825120048 20260811110048 52637 br. v/Wcyv2wozDAWOBFaLCTuyXHqeNsoGXPVmQI+rEJ3lmBgDzmwrFQGkUV nIZn7eH8Q5zRgeBXuaIgBeNS2ccBow==
SOA 13 2 172800 20260826020505 20260812010505 32604 def.br. 1E/5lNwp7x8WNWzP/PcOda7oYzFPtXOfnVC4L6vfovlPRYOVR2LJcGjV UYkR9F4tNW2ocQ0o6P22VYeGyIGJMA==

NSEC

1 record(s)
ac.def.br. NS SOA RRSIG NSEC DNSKEY

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

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://def.br/
HTTP status

HTTP

Status
Final URL
https://def.br/
Version
0
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable
Available
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher

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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
159,38 ms
Cloudflare
1.1.1.1
241,01 ms
Quad9
9.9.9.9
184,13 ms
OpenDNS
208.67.222.222
198,66 ms
AdGuard
94.140.14.14
288,87 ms

IP, geolocation and ASNAssociated network information

Visitor information

Visitor
ip
216.73.216.212
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

def.br

Port 25: Closed/unreachable - 1.3 ms - 
Port 465: Closed/unreachable - 1.3 ms - 
Port 587: Closed/unreachable - 46.3 ms -

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