Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
concavus.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:06:31 UTC · ↺ Refresh
MX Hostnames
- concavus-com-mx.mail.protection.outlook.com
MX Priorities
- concavus-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.62.207 (no PTR)
- 172.67.139.64 (no PTR)
- 2606:4700:3034::ac43:8b40
- 2606:4700:3036::6815:3ecf
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
lilith.ns.cloudflare.com dns.cloudflare.com 2399054722 10000 2400 604800 1800
Primary NS (mname)
lilith.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399054722
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lilith.ns.cloudflare.com
toby.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
3 records- MS=ms19603505
- MS=ms98773229
- SPFv=spf1 include:spf.protection.outlook.com -all
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