Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
themathcompany.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:33:43 UTC · ↺ Refresh
MX Hostnames
- themathcompany-com.mail.protection.outlook.com
MX Priorities
- themathcompany-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.38.158 (no PTR)
- 172.67.168.41 (no PTR)
- 2606:4700:3032::6815:269e (no PTR)
- 2606:4700:3034::ac43:a829 (no PTR)
Mail Server IPs
- 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
- 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
- 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
- 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
SOA Record
Raw SOA
aron.ns.cloudflare.com dns.cloudflare.com 2399585476 10000 2400 604800 1800
Primary NS (mname)
aron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399585476
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aron.ns.cloudflare.com
woz.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=reject; ri=84600;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=hYX5KXGdp4CVgkxmQccLcuqMBwJMv0GBU8Ts0jSae0k
- google-site-verification=mU-xUwbTH_Wp2Q5UGMBcqguLzxm6LMO7lUHwjFU5SRU
- SPFv=spf1 include:spf.protection.outlook.com -all
- v=verifydomain MS=9836348
- 1n5krhgk5ss8lc7vqm3o685s2u
- 5krhgk5ss8lc7vqm3o685s2u
- google-site-verification=UYC1YzGW7s2UHh3MqIBb9Z-aiJFK3fTEAAhabzjNBZg
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