Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ajr.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 13:51:22 UTC · ↺ Refresh
MX Hostnames
- ajr-com-mx.mail.protection.outlook.com
MX Priorities
- ajr-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 107.161.177.58 ↩ lservidor2.ajrmexico.net
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ajrmexico.net karim.grey-dot.com 2026032711 3600 1800 1209600 86400
Primary NS (mname)
ns1.ajrmexico.net
Admin Email (rname)
karim@grey-dot.com
Serial
2026032711
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.ajrmexico.net
ns1.ajrmexico.net
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; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- MS=7EBA8EE4D7CD2AC88A1974CC5655E03F14AB3B15
- SPFv=spf1 include:spf.protection.outlook.com -all
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