sulko.cz
HTML metadata
Technology
- CDN
- Cloudflare
- jQuery
- 3.5.1
- Analytics
-
- Google Tag Manager
- Fonts
-
- Google Fonts
Third-party hosts loaded (9)
- cdn.prod.website-files.com×38
- ajax.googleapis.com×1
- cdn.jsdelivr.net×1
- d3e54v103j8qbb.cloudfront.net×1
- fonts.googleapis.com×1
- fonts.gstatic.com×1
- static.bots.sefbot.cz×1
- www.google.com×1
- www.googletagmanager.com×1
Social
Contact
- Phone
Registration
- Registrar
- REG-ACTIVE24
- Created
- 1998-10-30
- Expires
- 2026-10-28 149 days left
- Updated
- 2026-04-20
- Name servers
-
- jobs.ns.cloudflare.com
- norah.ns.cloudflare.com
DNS records live
- NS
-
- jobs.ns.cloudflare.com
- norah.ns.cloudflare.com
- MX
-
- 10 mail.sulko.cz
- TXT
-
SPF: include:spf.blueghost.czfreelo-domain-verification=f0cb7e77daf7b5fafbaf587d0cda86b4a7302ba2767e02e0d988bbc4d1f6e361
- Verified for
-
- Microsoft 365
Email authentication partial
- SPF
-
v=spf1 mx a ip4:89.187.135.209 ip6:2a01:5f0:c001:116:3:0:2389:1 include:spf.smartemailing.cz include:_spf.insightsofa.com include:spf.blueghost.cz ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none; rua=mailto:dmarc+12423@smartemailing.cz; fo=1policy: none (monitoring only) - DKIM
-
- mail:
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDYRvo3OJTb/7AZGts1pUN5phCUUOTX4fXNr4NE0pr7Q/z+QlICOfyzIBSXRxZC2riOln2odcmrJQ9yhbxg6B…
selectors probed - mail:
Certificate (current)
WE1
Expires in 43 days
HTTP security headers
- 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