Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mays-mcsi.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:25:33 UTC · ↺ Refresh
MX Hostnames
- maysmcsi-com01b.mail.protection.outlook.com
MX Priorities
- maysmcsi-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.136.104 (no PTR)
- 104.21.46.76 (no PTR)
- 2606:4700:3034::ac43:8868
- 2606:4700:3030::6815:2e4c
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
dee.ns.cloudflare.com dns.cloudflare.com 2396787513 10000 2400 604800 1800
Primary NS (mname)
dee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396787513
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dom.ns.cloudflare.com
dee.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.146.111.138 include:spf.protection.outlook.com include:mailgun.org include:_spf.elasticemail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 ip4:69.146.111.138 include:spf.protection.outlook.com include:mailgun.org include:_spf.elasticemail.com -all
- MS=ms37508256
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