teorema.net

Valid Email Server
Domain Lookup › teorema.net
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
teorema.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 00:58:13 UTC · ↺ Refresh

MX Hostnames

  • teorema-net.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 188.166.163.198

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

defrnrazdns01.ey.com
usfwtrazdns01.ey.com
derusrazdns01.ey.com
uspilrazdns01.ey.com
sgsinrazdns01.ey.com

SPF Record

✓ Strict (-all)
v=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.da.spf-protect.agari-dns.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • Pe7vKor844p04+2FIVIZlPicAkMpGIsvm6L4OSzCeumY4Xi1h7ZR6FamzGexvMGP5pqS8OdpI8hXH7pA2li3KA==
  • SPFv=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.da.spf-protect.agari-dns.net -all
  • MS=ms36019987
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