Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibyte.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 01:09:26 UTC · ↺ Refresh
MX Hostnames
- ibyte-com-br.mail.protection.outlook.com
MX Priorities
- ibyte-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 170.82.174.30 (no PTR)
- 170.82.173.30 (no PTR)
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-181.awsdns-22.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-181.awsdns-22.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-181.awsdns-22.com
ns-863.awsdns-43.net
ns-1475.awsdns-56.org
ns-1551.awsdns-01.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.rdstation.com.br ip4:52.22.108.135 include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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 include:spf.mandrillapp.com include:_spf.rdstation.com.br ip4:52.22.108.135 include:sendgrid.net -all
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