Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
byahoo.com
No
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-23 14:31:18 UTC · ↺ Refresh
MX Hostnames
MX Priorities
- : 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
hidden-master.yahoo.com hostmaster.yahoo-inc.com 2022091401 28800 3600 1814400 600
Primary NS (mname)
hidden-master.yahoo.com
Admin Email (rname)
hostmaster@yahoo-inc.com
Serial
2022091401
Refresh
28800s
Retry
3600s
Expire
1814400s
Minimum TTL
600s
Nameservers (NS)
2ns.yahoo.com
1ns.yahoo.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
✗ 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
No TXT records found.
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