sinco.ca

Valid Email Server
Domain Lookup › sinco.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sinco.ca
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 20:17:42 UTC · ↺ Refresh

MX Hostnames

  • mx3.zoho.com
  • mx2.zoho.com
  • mx.zoho.com

MX Priorities

  • mx2.zoho.com: 20
  • mx3.zoho.com: 50
  • mx.zoho.com: 10

A / AAAA Records

  • 23.227.38.32 ↩ myshopify.com

Mail Server IPs

  • 136.143.183.44 ↩ mx.zohomail.com
  • 136.143.191.44 ↩ mx3.zohomail.com

SOA Record

Raw SOA ns1113.ui-dns.com hostmaster.1und1.com 2017060148 28800 7200 604800 600
Primary NS (mname)
ns1113.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060148
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1059.ui-dns.org
ns1113.ui-dns.com
ns1111.ui-dns.de
ns1088.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:sender.zohobooks.com include:zcsend.net include:zoho.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
s1._domainkey
s2._domainkey
zoho._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:sender.zohobooks.com include:zcsend.net include:zoho.com -all
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