Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atosausa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 02:00:30 UTC · ↺ Refresh
MX Hostnames
- atosausa-com.mail.protection.outlook.com
MX Priorities
- atosausa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.15.36 (no PTR)
- 172.67.74.61 (no PTR)
- 104.26.14.36
- 2606:4700:20::681a:e24
- 2606:4700:20::ac43:4a3d
- 2606:4700:20::681a:f24
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dakota.ns.cloudflare.com dns.cloudflare.com 2399078821 10000 2400 604800 1800
Primary NS (mname)
dakota.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399078821
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fiona.ns.cloudflare.com
dakota.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:38.133.131.200 ip4:38.133.131.29 ip4:38.133.131.220 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._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
4 records- apple-domain-verification=OgJ8384FstWK7ZQU
- brevo-code:d79b3195f86e437b445cbae85a1fec39
- SPFv=spf1 include:spf.protection.outlook.com ip4:38.133.131.200 ip4:38.133.131.29 ip4:38.133.131.220 -all
- MS=ms81196833
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