Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
css-oc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:10:12 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-usg1.ppe-hosted.com
- mx1-usg1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
- cssoc-com0i.mail.protection.outlook.com
- mx3-usg1.ppe-hosted.com
MX Priorities
- mx1-usg1.ppe-hosted.com: 0
- mx2-usg1.ppe-hosted.com: 0
- mx3-usg1.ppe-hosted.com: 0
- mx1-us1.ppe-hosted.com: 10
- mx2-us1.ppe-hosted.com: 20
- cssoc-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.82.212 (no PTR)
- 172.67.163.254 (no PTR)
- 2606:4700:3033::ac43:a3fe (no PTR)
- 2606:4700:3034::6815:52d4
Mail Server IPs
- 3.220.198.68 ↩ mx1-usg1.ppe-hosted.com
- 54.166.32.169 ↩ mx2-usg1.ppe-hosted.com
- 3.228.105.2 ↩ mx3-usg1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
SOA Record
Raw SOA
andy.ns.cloudflare.com dns.cloudflare.com 2397133195 10000 2400 604800 1800
Primary NS (mname)
andy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397133195
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elsa.ns.cloudflare.com
andy.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-usg1.ppe-hosted.com include:secureserver.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
4 records- SPFv=spf1 include:_spf-usg1.ppe-hosted.com include:secureserver.net ~all
- MS=ms54894329
- NETORG442590.onmicrosoft.com
- google-site-verification=yOBX7gTWDjIg8ZiD0m5D1h05EANvjnkyK1YR5KsCl4Y
Full email verification for css-oc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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