Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tech-aasj.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:05:03 UTC · ↺ Refresh
MX Hostnames
- techaasj-com-br01b.mail.protection.outlook.com
MX Priorities
- techaasj-com-br01b.mail.protection.outlook.com: 0
A / AAAA Records
- 147.79.85.70 (no PTR)
Mail Server IPs
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.supramail.com.br suporte.supramail.com.br 2023021708 10800 3600 604800 3600
Primary NS (mname)
ns1.supramail.com.br
Admin Email (rname)
suporte@supramail.com.br
Serial
2023021708
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.supramail.com.br
dns5.m9.network
ns2.supramail.com.br
dns6.m9.network
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for tech-aasj.com.br
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