Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
techpowerusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:37:59 UTC · ↺ Refresh
MX Hostnames
- techpowerusa-com.mail.protection.outlook.com
MX Priorities
- techpowerusa-com.mail.protection.outlook.com: 30
A / AAAA Records
- 50.87.101.247 ↩ 50-87-101-247.unifiedlayer.com
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.justhost.com root.bluehost.com 126031210 10800 3600 604800 3600
Primary NS (mname)
ns1.justhost.com
Admin Email (rname)
root@bluehost.com
Serial
126031210
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.justhost.com
ns2.justhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:one.zoho.com include:zcsend.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- zoho-verification=zb92239300.zmverify.zoho.com
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:one.zoho.com include:zcsend.net -all
- google-site-verification=oMV9Gi0dXGHmcHEnxWjUmHsxIOobCKgy3NF5bN9035Q
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