Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esap.edu.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 08:58:33 UTC · ↺ Refresh
MX Hostnames
- esap-edu-co.mail.protection.outlook.com
MX Priorities
- esap-edu-co.mail.protection.outlook.com: 10
A / AAAA Records
- 35.239.82.41 ↩ 41.82.239.35.bc.googleusercontent.com
- 2801:15:c800::e5a9:0:202:19 (no PTR)
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 21 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
21
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c4.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c1.googledomains.com
ns-cloud-c2.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- _f8lvsntk94gi9pgdl5u31gswetw9uy1
- SPFv=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com -all
- Sendinblue-code:9e6e5cffd4b2be3e4280fea5cbd14a72
- 48edV/whWxlHhx+BlgaPyaN4Bj2HnGJGrGIV7CchubA18pP0JOqX/ycntCSRnEQe5MiE4PSDRXFQ9YwNZQRHkw==
- google-site-verification=ms2kG0GEtA3AytF-0McsVKZCziW4Jp9bs-kqQX2Cv5s
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