Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
aicerts.io
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-27 16:08:12 UTC · ↺ Refresh
MX Hostnames
- aicerts-io.mail.protection.outlook.com
MX Priorities
- aicerts-io.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.15.226 (no PTR)
- 172.67.72.49 (no PTR)
- 104.26.14.226
- 2606:4700:20::ac43:4831
- 2606:4700:20::681a:fe2
- 2606:4700:20::681a:ee2
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
mckenzie.ns.cloudflare.com dns.cloudflare.com 2409172646 10000 2400 604800 1800
Primary NS (mname)
mckenzie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2409172646
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mckenzie.ns.cloudflare.com
tadeo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 IP4:159.183.139.239 include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 2/10
✓ 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
6 records- google-site-verification=SukGBif0lbeL8CJi_n3Sy_QuMO1rPai-1oEbbvHPya0
- google-site-verification=s1dFiyMP4AWBGuUXQ8dxQRPjVLoogjN236dPbopvE4A
- SPFv=spf1 IP4:159.183.139.239 include:spf.protection.outlook.com include:spf.sendinblue.com -all
- MS=ms13387367
- google-site-verification=38JNIt9uF2rU-3r6Ry1mU95KixBgeQEwWKpAAHVhJ3g
- google-site-verification=OK_p0jsUEOc7u3dbt6NEcDhCuKt0btJSXaCXJV0SZG4
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