ntrc.us

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
ntrc.us
Yes
โœ“ Yes
Zoho
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-27 15:57:06 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 136.143.183.44 โ†ฉ mx.zoho.com
  • 136.143.191.44 โ†ฉ mx2.zohomail.com

SOA Record

Raw SOA ns3.worldnic.com namehost.worldnic.com 120050715 10800 3600 604800 3600
Primary NS (mname)
ns3.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
120050715
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.worldnic.com
ns4.worldnic.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:sender.zohobooks.com include:zoho.com ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 1 found
zoho._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: zoho

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:zoho.com ~all
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