Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
estudiamas.com.mx
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 06:46:37 UTC · ↺ Refresh
MX Hostnames
- mx.zoho.com
- mx3.zoho.com
- mx2.zoho.com
MX Priorities
- mx2.zoho.com: 20
- mx3.zoho.com: 30
- mx.zoho.com: 10
A / AAAA Records
- 34.28.95.102 ↩ 102.95.28.34.bc.googleusercontent.com
Mail Server IPs
- 136.143.183.44 ↩ mx.zohomail.com
- 136.143.191.44 ↩ mx3.zoho.com
SOA Record
Raw SOA
ns-1995.awsdns-57.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1995.awsdns-57.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1229.awsdns-25.org
ns-1995.awsdns-57.co.uk
ns-283.awsdns-35.com
ns-528.awsdns-02.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.elasticemail.com include:spf.mandrillapp.com include:zoho.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
zoho._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: zoho
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx include:_spf.elasticemail.com include:spf.mandrillapp.com include:zoho.com ~all
- google-site-verification=H5U89PcfYN0CVKoyrr21WexcQdjtmJG5BeHYSG_P480
- google-site-verification=jkA08hxyXhHMBbKIFxmx9Mjn_WZqICgk9oz1mLJBQCI
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