critsci.com

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
critsci.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-21 03:12:30 UTC ยท โ†บ Refresh

MX Hostnames

  • critsci-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 198.49.23.145
  • 198.185.159.144
  • 198.185.159.145
  • 198.49.23.144

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns84.worldnic.com
ns83.worldnic.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.google.com -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • google-site-verification=Drrsa-xKgmwGGVuSKHEneOXTnjE2K805lJK1HhBRFDg
  • apple-domain-verification=2KcXjjCDpFomZPi6
  • 1password-site-verification=PQBOJSZXPZALFGWKA6M2UJZPSI
  • dropbox-domain-verification=9dmv1qndoii5
  • autodesk-domain-verification=6DkAiSktKpxyWupWQ_yZ
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.google.com -all
  • amazon-business-verification=d2a9e6085abd4fc5bc5e7af27293168a9ec602d94f7d433225c0e82b19ce4503
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