Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strcorpus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 03:59:15 UTC · ↺ Refresh
MX Hostnames
- strcorpus-com.mail.protection.outlook.com
MX Priorities
- strcorpus-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.21.206 (no PTR)
- 172.67.200.85 (no PTR)
- 2606:4700:3033::6815:15ce
- 2606:4700:3031::ac43:c855
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
liz.ns.cloudflare.com dns.cloudflare.com 2396539954 10000 2400 604800 1800
Primary NS (mname)
liz.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396539954
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
liz.ns.cloudflare.com
ray.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
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- MS=ms89191060
- SPFv=spf1 include:spf.protection.outlook.com -all
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