Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fs.agr.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 17:42:36 UTC · ↺ Refresh
MX Hostnames
- fs-agr-br.mail.protection.outlook.com
MX Priorities
- fs-agr-br.mail.protection.outlook.com: 0
A / AAAA Records
- 34.230.121.250 ↩ ec2-34-230-121-250.compute-1.amazonaws.com
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
a.sec.dns.br hostmaster.registro.br 2026056000 86400 900 604800 900
Primary NS (mname)
a.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026056000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
a.sec.dns.br
b.sec.dns.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.isendservice.com.br -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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- MS=ms36359628
- openai-domain-verification=dv-4wdBBSpy1p4MNUEHdfn0wBNa
- ms-domain-verification=e11f1cf6-3c78-4391-9461-eddb0406cc2a
- SPFv=spf1 include:spf.protection.outlook.com include:spf.isendservice.com.br -all
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