Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studysmarter.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 16:44:59 UTC · ↺ Refresh
MX Hostnames
- mx.zoho.com
- mx3.zoho.com
- mx2.zoho.com
MX Priorities
- mx.zoho.com: 10
- mx2.zoho.com: 20
- mx3.zoho.com: 50
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
Mail Server IPs
- 136.143.191.44 ↩ mx3.zohomail.com
- 136.143.183.44 ↩ mx.zoho.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1657647777 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1657647777
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns4.p01.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zoho.com include:_spf.mlsend.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
2 records- zoho-verification=zb28411819.zmverify.zoho.com
- SPFv=spf1 include:zoho.com include:_spf.mlsend.com ~all
Full email verification for studysmarter.com
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