gs-giesselhorst.eu — domain check, WHOIS, DNS & reputation

HTML metadata

Title: IServ - gs-giesselhorst.eu
Canonical: https://gs-giesselhorst.eu/iserv/auth/login?_target_path=%2Fiserv%2Fauth%2Fauth%3F_iserv_app_url%3D%2Fiserv%2F%26client_id%3D3fe2d693-833b-4d7b-a68f-fba078049a48%26nonce%3D0ca98011-511f-4734-bc01-63c14ad9b744%26redirect_uri%3Dhttps%253A%2F%2Fgs-giesselhorst.eu%2Fiserv%2Fapp%2Fauthentication%2Fredirect%26response_type%3Dcode%26scope%3Dopenid%2520uuid%2520iserv%253Asession-id%2520iserv%253Aweb-ui%2520iserv%253A2fa%253Aconfiguration%2520iserv%253Aaccess-groups%26state%3DeyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6IjEifQ.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL2dzLWdpZXNzZWxob3JzdC5ldS9pc2Vydi8iLCJub25jZSI6IjBjYTk4MDExLTUxMWYtNDczNC1iYzAxLTYzYzE0YWQ5Yjc0NCIsImFkbWluIjpmYWxzZSwiaXNzIjoiaHR0cHM6Ly9ncy1naWVzc2VsaG9yc3QuZXUvaXNlcnYvIiwiZXhwIjoxNzg4MjE5Mjg1LCJuYmYiOjE3ODA0NDMyMjUsImlhdCI6MTc4MDQ0MzI4NSwic2lkIjoiIn0.H8lGnEI96NaGtBTiNGFQ9my9uM3qicMvxi4jSe5DgNpZSzBwlh7CHEu7lkM4mi9tEZG4-nWbtUFR3VON2qoPfA

Technology

Server: IServ
CMS: Gatsby

DNS records live

NS

ns1.iserv.eu
ns2.iserv.eu
ns3.iserv.eu
ns4.iserv.eu

MX

10 gs-giesselhorst.eu
50 offline.iserv.eu

Email authentication weak

SPF: v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-14 to 2026-07-13

Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://gs-giesselhorst.eu/iserv/auth/login?_target_path=/iserv/auth/auth?_iserv_app_url%3D%2Fiserv%2F%26client_id%3D3fe2d693-833b-4d7b-a68f-fba078049a48%26nonce%3D0ca98011-511f-4734-bc01-63c14ad9b744%26redirect_uri%3Dhttps%253A%2F%2Fgs-giesselhorst.eu%2Fiserv%2Fapp%2Fauthentication%2Fredirect%26response_type%3Dcode%26scope%3Dopenid%2520uuid%2520iserv%253Asession-id%2520iserv%253Aweb-ui%2520iserv%253A2fa%253Aconfiguration%2520iserv%253Aaccess-groups%26state%3DeyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6IjEifQ.eyJyZWRpcmVjdF91cmkiOiJodHRwczovL2dzLWdpZXNzZWxob3JzdC5ldS9pc2Vydi8iLCJub25jZSI6IjBjYTk4MDExLTUxMWYtNDczNC1iYzAxLTYzYzE0YWQ5Yjc0NCIsImFkbWluIjpmYWxzZSwiaXNzIjoiaHR0cHM6Ly9ncy1naWVzc2VsaG9yc3QuZXUvaXNlcnYvIiwiZXhwIjoxNzg4MjE5Mjg1LCJuYmYiOjE3ODA0NDMyMjUsImlhdCI6MTc4MDQ0MzI4NSwic2lkIjoiIn0.H8lGnEI96NaGtBTiNGFQ9my9uM3qicMvxi4jSe5DgNpZSzBwlh7CHEu7lkM4mi9tEZG4-nWbtUFR3VON2qoPfA

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: no-referrer
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self'; img-src 'self' data:; media-src 'self' blob:; connect-src 'self' blob:; form-action 'self';
strict-transport-security: max-age=63072000;

Links to (1)

iserv.de×1

Linked from (1)

gs-giesselhorst.de×1