Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fibraexperts.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:04:26 UTC · ↺ Refresh
MX Hostnames
- fibraexperts-com-br.mail.protection.outlook.com
MX Priorities
- fibraexperts-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 20.206.68.146 (no PTR)
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.aknamail.com.br include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- b3c5mnfj986rhnqpv2g8vm6bej
- q1vaurmq8grrf40prltlpc84fu
- 65hu4i658k7s65k65vdiuqunhg
- 1vofp1sn0nmovnc2u3lic73mti
- MS=ms17497998
- mscid=DzfkFLnYnTGisiQr05NtVSF43uKREq2qqcLzkO23ZT86MwF025Yz0WMcL4pQIyMBpqAbWx9JL3OEkLdxdGHmMw==
- SPFv=spf1 a mx include:spf.aknamail.com.br include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ~all
- 16v9tocp0rq7bqnj7lu12iv2mv
Full email verification for fibraexperts.com.br
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