sierrabus.net
HTML metadata
Technology
- Server
- nginx
- CMS
- WordPress
Third-party hosts loaded (2)
- cdn.jsdelivr.net×2
- s.w.org×1
Social
Contact
- Phone
Registration
- Registrar
- IONOS SE
- Created
- 2010-07-20
- Expires
- 2026-07-20 59 days left
- Updated
- 2025-07-21
- Name servers
-
- ns1062.ui-dns.biz
- ns1062.ui-dns.com
- ns1062.ui-dns.de
- ns1062.ui-dns.org
DNS records live
- NS
-
- ns1062.ui-dns.biz
- ns1062.ui-dns.com
- ns1062.ui-dns.de
- ns1062.ui-dns.org
- MX
-
- 10 mx00.ionos.es
- 10 mx01.ionos.es
Email authentication strong
- SPF
-
v=spf1 mx ip4:82.165.159.0/26 ip4:212.227.17.0/27 ip4:212.227.15.0/25 ip4:217.72.192.64/26 ip4:212.227.126.128/25 include:_spf-eu.ionos.com ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=reject; rua=mailto:sec@sierrabus.net; ruf=mailto:sec@sierrabus.net; fo=1policy: reject (enforced) - DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 70 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- findings
-
- missing Content Security Policy
- weak content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff, nosniff- strict-transport-security
max-age=31536000; includeSubDomains