csas.cz

Valid Email Server
Domain Lookup › csas.cz
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
csas.cz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 11:32:17 UTC · ↺ Refresh

MX Hostnames

  • csas-cz.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 194.50.240.70

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

nsf.csas.cz
nse.csas.cz

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:194.50.240.33 ip4:194.50.240.161 ip4:194.50.240.41 ip4:194.50.240.248/30 include:_spf.csas.cz include:_spf.google.com include:spf.protection.outlook.com -all exp=explain._spf.csas.cz.
📊 DNS lookups: 3/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

17 records
  • SPFv=spf1 ip4:194.50.240.33 ip4:194.50.240.161 ip4:194.50.240.41 ip4:194.50.240.248/30 include:_spf.csas.cz include:_spf.google.com include:spf.protection.outlook.com -all exp=explain._spf.csas.cz.
  • openai-domain-verification=dv-kG7PMgP3AVNuu33AK8ufhYUj
  • MS=ms923321
  • 00D68000000br6j=1TBTY00000004d7
  • 00D7Y0000001Svk=1TBdu00000001KH
  • atlassian-domain-verification=cs1j7Utnv6xyNwweUnPmVSk7lDgbMKeEgWwTvYVaQevEj2hHBsmk6ZksyccDIqZW
  • 00D250000009REk=1TBUD000000034M
  • MS=ms60011772
  • MS=ms24444139
  • paloaltonetworks-site-verification=b1600cf8afb97e32a74a8dd8643c076e8690383eeaea7cc9b30890a5386c346c
  • 00D1q0000008erZ=1TBUD00000005Nt
  • MS=ms78574881
  • figma-domain-verification=92028144869b771af73290b6fab631d9006dd0ced56d5261eed0d112e5f234de-1777008653
  • anthropic-domain-verification-cxa0g9=mSXEol0IuCc6ooB671a8I37CD
  • ibmid=ea782a95-a9c8-4e0e-adef-ef57de00428d
  • facebook-domain-verification=vrkf41olc9ubuwct4sxrswwu1zhfsv
  • jamf-site-verification=tCo8LPRNF3CNxhXxCKzn8g
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