Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colsanfra.edu.sv
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 13:50:50 UTC · ↺ Refresh
MX Hostnames
- colsanfra-edu-sv.mail.protection.outlook.com
MX Priorities
- colsanfra-edu-sv.mail.protection.outlook.com: 0
A / AAAA Records
- 50.31.177.5 ↩ single-4786.banahosting.com
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns4786.banahosting.com support.banahosting.com 2026032301 86400 7200 1600000 86400
Primary NS (mname)
ns4786.banahosting.com
Admin Email (rname)
support@banahosting.com
Serial
2026032301
Refresh
86400s
Retry
7200s
Expire
1600000s
Minimum TTL
86400s
Nameservers (NS)
ns4786.banahosting.com
ns4787.banahosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.31.177.2 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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 ip4:50.31.177.2 include:spf.protection.outlook.com -all
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