Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blacklight.mx
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 08:09:48 UTC · ↺ Refresh
MX Hostnames
- mx3.zoho.com
- mx.zoho.com
- mx2.zoho.com
MX Priorities
- mx.zoho.com: 10
- mx2.zoho.com: 20
- mx3.zoho.com: 50
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 136.143.191.44 ↩ mx3.zohomail.com
- 136.143.183.44 ↩ mx2.zoho.com
SOA Record
Raw SOA
ns27.domaincontrol.com dns.jomax.net 2026032300 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns27.domaincontrol.com
ns28.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:zoho.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=r; aspf=r; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:zoho.com include:spf.protection.outlook.com -all
- MS=ms91364653
- zoho-verification=zb90904403.zmverify.zoho.com
- e8vwqud.bookings.cs.zohohost.com
- google-site-verification=7NH8FWXlNSClD5CrJFu31-2dmXb3KvZBnCIRTavhcqU
- zoho-verification=zb80014672.zmverify.zoho.com
Full email verification for blacklight.mx
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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