Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
28hotmail.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 02:14:02 UTC · ↺ Refresh
MX Hostnames
- aero4.unstablemail.com
- sr4.unstablemail.com
MX Priorities
- sr4.unstablemail.com: 10
- aero4.unstablemail.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 146.190.223.124 ↩ aero4.unstablemail.com
SOA Record
Raw SOA
ns1.dnsowl.com hostmaster.dnsowl.com 1773359534 7200 1800 1209600 600
Primary NS (mname)
ns1.dnsowl.com
Admin Email (rname)
hostmaster@dnsowl.com
Serial
1773359534
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns1.dnsowl.com
ns2.dnsowl.com
ns3.dnsowl.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 -all
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