indexo.dev

responsum.app

.app crawl

First seen 2026-05-06 · Last seen 2026-05-06 · ok HTTP/1.1 200 2769 ms crawled 2026-05-12

FI · 5.22.208.248 · AS202053 UpCloud Ltd

Reputation 100/100

Classifying

HTML metadata

Title
Responsum
Language
en

Technology

Server
nginx

DNS records live

NS
  • ns1.combell.eu
  • ns3.combell.net
  • ns4.combell.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • have-i-been-pwned-verification=e2d252983f3d3905d4494938b1d7037d
Verified for
  • Brevo
  • Google

Email authentication strong

SPF
v=spf1 ip4:217.21.189.118 include:_spf.google.com include:spf.brevo.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@responsum.eu
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl0hVkWnjamZa9dSscnjnsuiHRiLZNnGE5osaY3aqzfqJbfsqXVstUFgae6IstiUBWoSdS6b3OOK5Rh…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R12
from 2026-03-19 to 2026-06-17
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://responsum.app/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=2592000; includeSubDomains

Linked from (1)