Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
algorithmicschool.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 01:53:29 UTC · ↺ 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
- 185.129.100.112 ↩ ddos-guard.net
Mail Server IPs
- 136.143.183.44 ↩ mx.zoho.com
- 136.143.191.44 ↩ mx2.zohomail.com
SOA Record
Raw SOA
ns0.dom.scw.cloud hostmaster.algorithmicschool.com 2026031901 86400 7200 604800 3600
Primary NS (mname)
ns0.dom.scw.cloud
Admin Email (rname)
hostmaster@algorithmicschool.com
Serial
2026031901
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns0.dom.scw.cloud
ns1.dom.scw.cloud
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zohomail.com ip4:95.216.187.48 include:servers.mcsv.net include:_spf.google.com include:spf.unisender.com include:spf.mandrillapp.com include:_spf.amocrmmail.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- facebook-domain-verification=60e37spuq0pc0cphw9i2edl7onj20q
- google-site-verification=cJWTk0NStrz9NUQTrAKEpp28rTKfFdaVxoOXcS2CtMM
- zoho-verification=zb92293933.zmverify.zoho.com
- SPFv=spf1 include:zohomail.com ip4:95.216.187.48 include:servers.mcsv.net include:_spf.google.com include:spf.unisender.com include:spf.mandrillapp.com include:_spf.amocrmmail.com ~all
- mandrill_verify.-PpGi4CQ9Gh7SMh54F6Y0w
Full email verification for algorithmicschool.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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