Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
ostsinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 20:32:33 UTC · ↺ Refresh
MX Hostnames
- mx2-usg2.ppe-hosted.com
- mx1-usg2.ppe-hosted.com
- mx3-usg2.ppe-hosted.com
MX Priorities
- mx3-usg2.ppe-hosted.com: 0
- mx1-usg2.ppe-hosted.com: 0
- mx2-usg2.ppe-hosted.com: 0
A / AAAA Records
- 172.67.136.18 (no PTR)
- 104.21.46.72 (no PTR)
- 2606:4700:3030::ac43:8812 (no PTR)
- 2606:4700:3030::6815:2e48 (no PTR)
Mail Server IPs
- 34.231.165.252 ↩ mx3-usg2.ppe-hosted.com
- 98.85.123.215 ↩ mx1-usg2.ppe-hosted.com
- 23.21.114.81 ↩ mx2-usg2.ppe-hosted.com
SOA Record
Raw SOA
lennox.ns.cloudflare.com dns.cloudflare.com 2404417038 10000 2400 604800 1800
Primary NS (mname)
lennox.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404417038
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lennox.ns.cloudflare.com
wren.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:ppessentials.net include:usg2.ppe-hosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:ppessentials.net include:usg2.ppe-hosted.com -all
- MS=ms41813857
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