Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
ostar.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:10:43 UTC · ↺ Refresh
MX Hostnames
- ostar-com-mx.mail.protection.outlook.com
MX Priorities
- ostar-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 35.155.211.108 ↩ cloud.ostar.com.mx
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ratsoti.com monitor.sectorhosting.com 2026040604 3600 1800 1209600 86400
Primary NS (mname)
ns1.ratsoti.com
Admin Email (rname)
monitor@sectorhosting.com
Serial
2026040604
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.ratsoti.com
ns2.ratsoti.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:35.155.211.108 a include:_spf.embluemail.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ 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
5 records- SPFv=spf1 ip4:35.155.211.108 a include:_spf.embluemail.com include:spf.protection.outlook.com -all
- Sendinblue-code:4851374d6f967ed921a994d75be6a091
- MS=77FC98C0F1BF82127027F1A3A46D54DC85E02C57
- MS=ms28699671
- facebook-domain-verification=rmzx7x4s67zcwia4dfny760r4i0bn1
Full email verification for ostar.com.mx
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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