netsigma.pt

.pt crawl dns

First seen 2026-05-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 9155 ms crawled 2026-05-17

PT · 62.28.253.94 · AS15525 Servicos De Comunicacoes E Multimedia S.A.

Reputation 100/100

Classifying

HTML metadata

Title: NETSIGMA – Professional Web Design Agency

Technology

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

Social

Contact

Email

geral@netsigma.pt

Phone

DNS records live

NS

dns1.host-redirect.com
dns2.host-redirect.com
dns3.host-redirect.com

MX

10 mailserver.netsigma.pt

TXT

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC2kLDNY/lmaCaSSuiZ5Oqn3004rqeJrvkMNTLTRWXNqC1AsuUE5SK2TV4qoAjTHVNYnv8K//I7llAMBfZz1YH5/aCi7S42fTHHxS9IfgSVcVk5cJAeeDPudc8dUktx4+Gopb275x78S4UtQnGGnkyny4KrniXQ7sApVDrqfEHROwIDAQAB

Verified for

Brevo
Google
Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.sendinblue.com mx a:mailserver.netsigma.pt a:mailservera.netsigma.pt a:mailserverb.netsigma.pt a:mailserverc.netsigma.pt ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; rua=mailto:bruno.santos@netsigma.pt

policy: quarantine

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

R13

from 2026-04-22 to 2026-07-21

Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://netsigma.pt/

present

strict-transport-security
content-security-policy-report-only
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

missing Content Security Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: geolocation=(), microphone=(), camera=()
x-content-type-options: nosniff
strict-transport-security: max-age=31536000
content-security-policy-report-only: default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'self'; img-src 'self' data: https:; script-src 'self' https:; style-src 'self' https: 'unsafe-inline'; font-src 'self' https: data:; connect-src 'self' https:;