Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sheraton.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:12:58 UTC · ↺ Refresh
MX Hostnames
- sheraton-com.mail.protection.outlook.com
MX Priorities
- sheraton-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.214.21.245 ↩ ec2-3-214-21-245.compute-1.amazonaws.com
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-775.awsdns-32.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-775.awsdns-32.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1360.awsdns-42.org
ns-1814.awsdns-34.co.uk
ns-232.awsdns-29.com
ns-775.awsdns-32.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.marriott.com include:spf.protection.outlook.com ip4:65.221.12.128 ip4:65.221.12.148 ip4:50.31.38.19 ip4:167.89.18.211 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:spf.marriott.com include:spf.protection.outlook.com ip4:65.221.12.128 ip4:65.221.12.148 ip4:50.31.38.19 ip4:167.89.18.211 -all
- adobe-idp-site-verification=b58a812cb8a67904b7b89c5ba71e21242157d93cc4609f572f4d63398d2f1c95
- atlassian-domain-verification=zzbKNynGXmBVVjHMpHdfFpEwzGxKV5plDTgGo00mBnx6f3sEd30UmA/w/TPcy9Ai
- canva-site-verification=rykYmdFJR8O2gF5Z-_vYLg
- docusign=18f6970f-dded-411b-88e6-a8255b8251b9
- m8uzmPtyOnJUE42bSTnsX6k5FSLB9lFy8gOlPOIvbOdwrfkmo1+1L2sry6VZkH8g9gvLlzU3Ln/94J3CdWXq7w==
Full email verification for sheraton.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits