Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
eiismk.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 16:53:46 UTC · ↺ Refresh
MX Hostnames
- mx.einsteinmail.com
MX Priorities
- mx.einsteinmail.com: 10
A / AAAA Records
- 15.197.131.231 ↩ a47112cd6619c1358.awsglobalaccelerator.com
- 3.33.146.207 ↩ a47112cd6619c1358.awsglobalaccelerator.com
Mail Server IPs
- 18.235.21.16 ↩ ec2-18-235-21-16.compute-1.amazonaws.com
- 54.205.27.165 ↩ ec2-54-205-27-165.compute-1.amazonaws.com
- 52.5.141.52 ↩ ec2-52-5-141-52.compute-1.amazonaws.com
- 52.207.96.35 ↩ ec2-52-207-96-35.compute-1.amazonaws.com
SOA Record
Raw SOA
ns1.einsteinindustries.com domains.einsteinindustries.com 2022041004 86400 7200 120960 300
Primary NS (mname)
ns1.einsteinindustries.com
Admin Email (rname)
domains@einsteinindustries.com
Serial
2022041004
Refresh
86400s
Retry
7200s
Expire
120960s
Minimum TTL
300s
Nameservers (NS)
ns3.einsteinindustries.com
ns1.einsteinindustries.com
ns2.einsteinindustries.com
ns4.einsteinindustries.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.einsteinmail.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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 include:_spf.einsteinmail.com -all
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