indexo.dev

firstbill.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 290 ms crawled 2026-05-13

DE · 88.99.6.57 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Rechnungssoftware online - Rechnungen einfach, sicher, schnell
Description
Innovative Rechnungssoftware - Professionelle Rechnungsstellung im eigenen Design. Rechnungssoftware kostenlos testen! Rechnungen, Angebote, Mahnungen uvm schreiben.
Canonical
https://firstbill.de/

Technology

Server
nginx

Registration

Updated
2020-10-30
Name servers
  • ns2.inwx.de.
  • ns3.inwx.eu.
  • ns.inwx.de.

DNS records live

NS
  • ns.inwx.de
  • ns2.inwx.de
  • ns3.inwx.eu
MX
  • 10 mail.firstbill.de
TXT
  • google-site-verification=wK4VUglV9e64-Oxrj7WcolLJA26UzXbrXvWWTgc4VpQ

Email authentication strong

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@firstbill.de; ruf=mailto:postmaster@firstbill.de; fo=1; ri=604800; rf=afrf; adkim=r; aspf=r
policy: quarantine
DKIM
  • mail: v=DKIM1; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1wB8FXJQkv16syRxo9/R/8AS1RSGPwGTGIoJR94RRt6QRuOiH02VBXLXG2koP51g6sKxs…
selectors probed

Certificate (current)

E7
from 2026-03-14 to 2026-06-12
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://firstbill.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (2)

Linked from (1)