Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oss-usa.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 07:11:54 UTC · ↺ Refresh
MX Hostnames
- mail.oss-usa.com
MX Priorities
- mail.oss-usa.com: 10
A / AAAA Records
- 54.210.5.105 ↩ ec2-54-210-5-105.compute-1.amazonaws.com
Mail Server IPs
- 192.96.208.141 ↩ smail3.sectorshared.net
SOA Record
Raw SOA
ns-1255.awsdns-28.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1255.awsdns-28.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-92.awsdns-11.com
ns-1255.awsdns-28.org
ns-1927.awsdns-48.co.uk
ns-847.awsdns-41.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +ip4:3.229.79.224 +include:cloudsector.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;rua=mailto:[email protected];fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +ip4:3.229.79.224 +include:cloudsector.net ~all
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