Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
suporteone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 03:42:37 UTC · ↺ Refresh
MX Hostnames
- suporteone-com.mail.protection.outlook.com
MX Priorities
- suporteone-com.mail.protection.outlook.com: 10
A / AAAA Records
- 186.227.201.3 ↩ 186-227-201-3.static.hostdime.com
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
suporteone.com servicos.suporteone.com 2026021201 1440 3600 1209600 3600
Primary NS (mname)
suporteone.com
Admin Email (rname)
servicos@suporteone.com
Serial
2026021201
Refresh
1440s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.suporteone.com
ns.suporteone.com
ns3.suporteone.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:184.171.252.66/32 ip4:184.171.252.67/32 include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ 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
✓ 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
2 records- google-site-verification=hjcrSfwpEEv6Fdk8SrwdkcfP4AoOpoe-oQC1USFidhs
- SPFv=spf1 include:spf.protection.outlook.com ip4:184.171.252.66/32 ip4:184.171.252.67/32 include:sendgrid.net -all
Full email verification for suporteone.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits