Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gecolsa.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 18:15:28 UTC · ↺ Refresh
MX Hostnames
- gecolsa-com-co.mail.protection.outlook.com
MX Priorities
- gecolsa-com-co.mail.protection.outlook.com: 0
A / AAAA Records
- 66.228.36.65 (no PTR)
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
nameserver01.mi.com.co hostmaster.gecolsa.com.co 2024011903 10800 3600 1209600 3600
Primary NS (mname)
nameserver01.mi.com.co
Admin Email (rname)
hostmaster@gecolsa.com.co
Serial
2024011903
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
nameserver01.mi.com.co
nameserver04.mi.com.co
nameserver02.mi.com.co
nameserver03.mi.com.co
SPF Record
✓ Strict (-all)
v=spf1 IP4:200.31.15.122 IP4:190.242.44.152 IP4:20.232.154.92 include:md02.com include:amazonses.com include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- wcWTaVAQtCkfjr04i7sF/2VRIgaVSf1GvqRRPZ1z1h4=
- SPFv=spf1 IP4:200.31.15.122 IP4:190.242.44.152 IP4:20.232.154.92 include:md02.com include:amazonses.com include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all
- mVIXA8QOtAh9XsRYJ0VNAwfgGx96vZq6h8c7B9DeyOk
- v=verifydomain MS=ms64364401
- sophos-domain-verification=8cdcbb70430b76ff9bbaa92c28ef313ad4e555d7efcee14c311185750ef3d383
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