Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
isytek.co
Yes
โ Yes
Zoho
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-28 13:54:27 UTC ยท โบ Refresh
MX Hostnames
- mx2.zohomail.com
- mx3.zohomail.com
- mx.zohomail.com
MX Priorities
- mx2.zohomail.com: 20
- mx3.zohomail.com: 50
- mx.zohomail.com: 10
A / AAAA Records
- 173.236.205.179 โฉ vps36091.dreamhostps.com
Mail Server IPs
- 136.143.183.44 โฉ mx.zohomail.com
- 136.143.191.44 โฉ mx.zoho.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026031607 18223 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026031607
Refresh
18223s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns2.dreamhost.com
ns1.dreamhost.com
ns3.dreamhost.com
SPF Record
โ Invalid
v=spf1 include:user.zohobookings.com include:spf.zohomail360.com include:spf.zoho.com include:transmail.net include:netblocks.dreamhost.com include:zeptomail.net include:spf.hostmar.com include:zcsend.net include:sender.zohobooks.com include:mailer.zohoshowtime.com mx include:zoho.com -all
๐ DNS lookups: 12/10
โ over limit!
โ Too many DNS lookups (12/10) โ SPF will fail validation. Reduce include: statements.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=s; aspf=s; pct=80
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
๐ง Reports โ mailto:[email protected]
โณ Subdomain policy: quarantine
โ Policy applies to 80% of failing messages only
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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
4 records- facebook-domain-verification=2rdie7l33rwjoxd1ls067bld8os8ti
- SPFv=spf1 include:user.zohobookings.com include:spf.zohomail360.com include:spf.zoho.com include:transmail.net include:netblocks.dreamhost.com include:zeptomail.net include:spf.hostmar.com include:zcsend.net include:sender.zohobooks.com include:mailer.zohoshowtime.com mx include:zoho.com -all
- MS=D46643FDD9892E85109E179B6E83B5EBE38B1D63
- zoho-verification=zb14181703.zmverify.zoho.com
Full email verification for isytek.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits