Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sprint.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 03:32:54 UTC · ↺ Refresh
MX Hostnames
- sprint-com.mail.protection.outlook.com
MX Priorities
- sprint-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.48.224.103 ↩ a23-48-224-103.deploy.static.akamaitechnologies.com
- 23.48.224.104 ↩ a23-48-224-104.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:322
- 2600:141b:1c00:16::17c4:31a
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-167.akam.net hostmaster.sprint.com 2024082625 3600 600 604800 300
Primary NS (mname)
a1-167.akam.net
Admin Email (rname)
hostmaster@sprint.com
Serial
2024082625
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a7-65.akam.net
a1-167.akam.net
a6-66.akam.net
a8-66.akam.net
a13-67.akam.net
a14-65.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:t-mobile.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; fo=1; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
1 record- SPFv=spf1 include:t-mobile.com -all
Full email verification for sprint.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits