Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celta.edu.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 22:08:07 UTC · ↺ Refresh
MX Hostnames
- celta-edu-mx.mail.protection.outlook.com
MX Priorities
- celta-edu-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 167.172.5.31 (no PTR)
- 2400:6180::d0:0:0:e08:a001 ↩ r.forwarddomain.net
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.akkyservicios.mx hostmaster.akkyservicios.mx.celta.edu.mx 1774033514 3600 900 604800 1800
Primary NS (mname)
ns1.akkyservicios.mx
Admin Email (rname)
hostmaster@akkyservicios.mx.celta.edu.mx
Serial
1774033514
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns3.akkyservicios.mx
ns2.akkyservicios.mx
ns1.akkyservicios.mx
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:168.245.29.143 include:spf.protection.outlook.com include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
1 record- SPFv=spf1 ip4:168.245.29.143 include:spf.protection.outlook.com include:sendgrid.net ~all
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