Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marriott-service.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 09:26:56 UTC · ↺ Refresh
MX Hostnames
- relay.marriott-service.com
MX Priorities
- relay.marriott-service.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.86.138.215 ↩ ec2-52-86-138-215.compute-1.amazonaws.com
SOA Record
Raw SOA
ns-333.awsdns-41.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-333.awsdns-41.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-976.awsdns-58.net
ns-1129.awsdns-13.org
ns-1885.awsdns-43.co.uk
ns-333.awsdns-41.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:salesforce.com ip4:52.86.138.215 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:salesforce.com ip4:52.86.138.215 ~all
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