Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spamzero.net
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 05:04:19 UTC · ↺ Refresh
MX Hostnames
- mx1.altaddress.net
MX Priorities
- mx1.altaddress.net: 10
A / AAAA Records
- 50.76.51.27 (no PTR)
Mail Server IPs
- 50.76.51.26 ↩ mail.altaddress.net
SOA Record
Raw SOA
ns1.openinternet.io hostmaster.openinternet.io 2026031101 28800 3600 2419200 86400
Primary NS (mname)
ns1.openinternet.io
Admin Email (rname)
hostmaster@openinternet.io
Serial
2026031101
Refresh
28800s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns1.openinternet.io
ns2.openinternet.io
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.76.51.26 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rf=afrf; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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 ip4:50.76.51.26 -all
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