Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strema.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 00:33:17 UTC · ↺ Refresh
MX Hostnames
- strema-com-br.mail.protection.outlook.com
MX Priorities
- strema-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 201.20.4.141 ↩ strema.com.br
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
strema.com.br root.strema.com.br 2026030705 1200 600 1200 600
Primary NS (mname)
strema.com.br
Admin Email (rname)
root@strema.com.br
Serial
2026030705
Refresh
1200s
Retry
600s
Expire
1200s
Minimum TTL
600s
Nameservers (NS)
tucano.strema.com.br
skyhawk.strema.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.strema.com.br include:spf.protection.outlook.com include:_spf.rdstation.com.br include:spf.sendinblue.com include:zcsend.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms69026796
- google-site-verification=8bs1q8Bbfy8UZefCTiKEePfJv8EHsvXxMFZzfGraCC4
- google-site-verification=Tt96jhyPNShUa-MNR0WWu10n4-jPSbN-oIgno5_v_6U
- Sendinblue-code:c4699c1b09d4a4b66e7940680bdcd3b3
- SPFv=spf1 include:spf.strema.com.br include:spf.protection.outlook.com include:_spf.rdstation.com.br include:spf.sendinblue.com include:zcsend.net -all
- facebook-domain-verification=mt5a2ugs0xlghxclifz0zsz6xgs0m3
- sophos-domain-verification=361cd70a25498e6cb301716fe436dc90e94aefcafece0a50cb825b81693adfb9
Full email verification for strema.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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