mathco.com

Valid Email Server
Domain Lookup › mathco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mathco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 20:34:29 UTC · ↺ Refresh

MX Hostnames

  • mathco-com.mail.protection.outlook.com

MX Priorities

  • mathco-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
  • 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
  • 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
  • 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com

SOA Record

Raw SOA ns23.domaincontrol.com dns.jomax.net 2026021700 28800 7200 604800 600
Primary NS (mname)
ns23.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns23.domaincontrol.com
ns24.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net include:spf.mailjet.com include:21546609.spf02.hubspotemail.net include:mailgun.org ip4:13.126.94.72 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected];ri=84600;aspf=s;adkim=s;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No 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

7 records
  • _globalsign-domain-verification=lbTw6BYg9hzFWj8tJyPPRPPRbrOBwC6TA0xt7RFc0i
  • google-site-verification=NPzNr8E57p0QawXyEG3aEHMvwIpGnV5eVLEYnzS8pDE
  • google-site-verification=Jln1dOxvHnkLoOvPz9LcOxCw01uhvh7Al4q9ags5P1w
  • ZOOM_verify_yajWRB41l8batYIwxynQGt
  • MS=ms18495004
  • SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net include:spf.mailjet.com include:21546609.spf02.hubspotemail.net include:mailgun.org ip4:13.126.94.72 -all
  • atlassian-domain-verification=lScRK5WBhLBhX2gFSNXqdoN2u7Hv7asDOQminYo/S7njoCaKmA64qar/8/oRgqhW
Full email verification for mathco.com

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