Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tebsa.com.co
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 11:45:19 UTC · ↺ Refresh
MX Hostnames
- mxa-008fc601.gslb.pphosted.com
- mxb-008fc601.gslb.pphosted.com
MX Priorities
- mxa-008fc601.gslb.pphosted.com: 0
- mxb-008fc601.gslb.pphosted.com: 0
A / AAAA Records
- 190.92.168.120 ↩ d1860.use1.stableserver.net
Mail Server IPs
- 66.159.241.97 ↩ mx0a-008fc601.pphosted.com
- 66.159.239.70 ↩ mx0b-008fc601.pphosted.com
SOA Record
Raw SOA
ns20.columbus-networks.com ipcolombia.columbus-networks.com 2018012219 10800 3600 604800 38400
Primary NS (mname)
ns20.columbus-networks.com
Admin Email (rname)
ipcolombia@columbus-networks.com
Serial
2018012219
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns20.columbus-networks.com
ns21.columbus-networks.com
ns22.columbus-networks.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.131.208.2 ip4:181.57.140.210 ip4:181.57.140.213 ip4:190.131.235.82 ip4:45.169.39.74 ip4:181.48.10.3 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 ip4:190.131.208.2 ip4:181.57.140.210 ip4:181.57.140.213 ip4:190.131.235.82 ip4:45.169.39.74 ip4:181.48.10.3 include:spf.protection.outlook.com -all
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