Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sulbras.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 01:09:21 UTC · ↺ Refresh
MX Hostnames
- sulbras-com-br.mail.protection.outlook.com
MX Priorities
- sulbras-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 147.79.92.140 (no PTR)
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com administrator.sulbras.com.br 2017060633 16384 2048 1209600 3600
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
administrator@sulbras.com.br
Serial
2017060633
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 a mx ptr ip4:20.122.165.167 ip4:20.94.58.120 ip4:20.110.246.31 ip4:20.94.76.230 ip4:172.203.16.124 a:sulbras.com.br include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=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
7 records- o4emhhgtve0tg0u527fbv6co20
- XTo/ID0RWsU4xz14L+AzrsDc/gqEZZxl6Af8/Q6kUZI490OdZI1uAV0hd6e7hj2qGch9tBrM8HrX3s0ef07sew==
- MS=ms41303572
- MS=ms82811858
- SPFv=spf1 a mx ptr ip4:20.122.165.167 ip4:20.94.58.120 ip4:20.110.246.31 ip4:20.94.76.230 ip4:172.203.16.124 a:sulbras.com.br include:spf.protection.outlook.com -all
- MS=ms86144720
- google-site-verification=KO3H_yC3o2M23gBsss03smGIWaOSMcWQx3TtCDTf3Zw
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