Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coraltech.co
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 03:05:33 UTC · ↺ Refresh
MX Hostnames
- mx3.zoho.com
- mx2.zoho.com
- mx.zoho.com
MX Priorities
- mx3.zoho.com: 50
- mx.zoho.com: 10
- mx2.zoho.com: 20
A / AAAA Records
- 18.218.168.200 ↩ ec2-18-218-168-200.us-east-2.compute.amazonaws.com
Mail Server IPs
- 136.143.191.44 ↩ mx2.zoho.com
- 136.143.183.44 ↩ mx2.zohomail.com
SOA Record
Raw SOA
ns-71.awsdns-08.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-71.awsdns-08.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1442.awsdns-52.org
ns-1905.awsdns-46.co.uk
ns-71.awsdns-08.com
ns-945.awsdns-54.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zcsend.net include:zoho.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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- zoho-verification=zb15532714.zmverify.zoho.com
- MS=6CF5A141929102B8CD0009E198722C7662FD70B3
- SPFv=spf1 include:zcsend.net include:zoho.com ~all
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