Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
r2sis.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 06:21:25 UTC · ↺ Refresh
MX Hostnames
- r2sis-com-br.mail.protection.outlook.com
MX Priorities
- r2sis-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 179.190.63.39 ↩ rv1.u1.com.br
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.escinformatica.com.br hostmaster.r2sis.com.br 2025071600 3600 3600 1209600 86400
Primary NS (mname)
ns1.escinformatica.com.br
Admin Email (rname)
hostmaster@r2sis.com.br
Serial
2025071600
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.escinformatica.com.br
ns2.escinformatica.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ~all
- MS=ms22024364
Full email verification for r2sis.com.br
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