Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
keystoneco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:33:36 UTC · ↺ Refresh
MX Hostnames
- keystoneco-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 3.33.130.190
- 15.197.148.33
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns73.domaincontrol.com
ns74.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- cisco-ci-domain-verification=7661daf3a8149ae8744bd3e467b3f9790fd214c4f3c71d0b1f58b6930aab3c02
- have-i-been-pwned-verification=53a7e2507324cb488afdb98ebf555c53
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms21936675
- spycloud-domain-verification=309058f8-eabc-4850-899f-b85d29e00599
Full email verification for keystoneco.com
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