holert.com
HTML metadata
Technology
- CDN
- Cloudflare
- Analytics
-
- Google Tag Manager
- Social widgets
-
- YouTube Embed
Third-party hosts loaded (11)
- 7052064.fs1.hubspotusercontent-na1.net×2
- www.googletagmanager.com×2
- www.youtube-nocookie.com×2
- cdn2.hubspot.net×1
- images.provenexpert.com×1
- js-eu1.hubspot.com×1
- js.hs-analytics.net×1
- js.hs-banner.com×1
- kit.fontawesome.com×1
- static.hsappstatic.net×1
- www.provenexpert.com×1
Social
Registration
- Registrar
- Vautron Rechenzentrum AG
- Created
- 1997-11-04
- Expires
- 2026-11-03 166 days left
- Updated
- 2025-11-03
- Name servers
-
- ns1.antagus.de
- ns2.antagus.de
DNS records live
- NS
-
- ns1.antagus.de
- ns2.antagus.de
- MX
-
- 10 holert-com.mail.protection.outlook.com
- TXT
-
atlassian-sending-domain-verification=dd71cf81-ca9a-4980-990a-3de765daf915mandrill_verify.dlsm-xopdEAaEI-Rp4s43g
- Verified for
-
- Atlassian
- Citrix
- Microsoft 365
Email authentication strong
- SPF
-
v=spf1 ip4:80.228.36.77 ip4:80.228.36.60 include:spf.protection.outlook.com include:5455101.spf01.hubspotemail.net include:spf.mtasv.net include:spf.mandrillapp.com -allstrict (-all) - DMARC
-
v=DMARC1; p=reject; pct=100; rua=mailto:re+xaq1t5qg9og@dmarc.postmarkapp.com; sp=reject; aspf=r; adkim=rpolicy: reject (enforced) · sp=reject - DKIM
-
- selector1:
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxYkgtZQyYkrnPqBZu8880K0XQObaP+Jkmf/KoIP5kGQw67lTNtY8cCedLEEaOcfqv2YF1I5Mut/51Q3eTEv… - k2:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed - selector1:
Certificate (current)
E8
Expires in 74 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- referrer-policy
- findings
-
- missing frame protection
- missing content type protection
- missing Permissions Policy
Header values
- referrer-policy
no-referrer-when-downgrade- content-security-policy
upgrade-insecure-requests- strict-transport-security
max-age=31536000