Domain Overview
DNS: ✓ just now
Checker: ✓ just now
collabstr.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 03:28:12 UTC · ↺ Refresh
MX Hostnames
- mx2.zoho.com
- mx.zoho.com
- mx3.zoho.com
MX Priorities
- mx3.zoho.com: 50
- mx.zoho.com: 10
- mx2.zoho.com: 20
A / AAAA Records
- 104.26.6.201 (no PTR)
- 172.67.70.71 (no PTR)
- 104.26.7.201 (no PTR)
- 2606:4700:20::681a:6c9 (no PTR)
- 2606:4700:20::ac43:4647 (no PTR)
- 2606:4700:20::681a:7c9 (no PTR)
Mail Server IPs
- 136.143.191.44 ↩ mx3.zoho.com
SOA Record
Raw SOA
jen.ns.cloudflare.com dns.cloudflare.com 2415504643 10000 2400 604800 1800
Primary NS (mname)
jen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415504643
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
terry.ns.cloudflare.com
jen.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zoho.com include:sendgrid.net include:spf.protection.outlook.com include:48335963.spf03.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; adkim=r; aspf=r
✓ Reject — strongest protection
📋 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
11 records- SPFv=spf1 include:zoho.com include:sendgrid.net include:spf.protection.outlook.com include:48335963.spf03.hubspotemail.net ~all
- zoho-verification=zb15722081.zmverify.zoho.com
- apple-domain-verification=McUhgJOKSqZWPT9P
- facebook-domain-verification=n8ypgsqfwadif8sidcfinb7hfydyn1
- google-site-verification=-rUka7CQXl3ndXQgqcbps6YbPo6zuYa1TDcmUFF3TYU
- google-site-verification=1oplXoeagMgkwjLgUMZeAC7yuY7xD5IT78sFM1AddQs
- google-site-verification=M-51i4W52Gc9R_2fAPuStf2sfPaqi4EnULFCPtdNFHc
- google-site-verification=a1VVq7zrLg6l2Kdv9X6K7pqev5Nbuj_DtkCiuQ6DJzI
- google-site-verification=vxO35wiHLC8ZvHZy3i9drJmJNBcAVI25IkYxTUjv52k
- google-site-verification=zRp8N3PGDi987_EiCpttBZTxm0zQNYJrrMtRuNBwC5g
- pinterest-site-verification=9e7c1e1c73d09bbc7c2467f3334d3df2
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