Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
gelsa.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 14:20:33 UTC · ↺ Refresh
MX Hostnames
- gelsa-com-co.mail.protection.outlook.com
MX Priorities
- gelsa-com-co.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.68.46 (no PTR)
- 104.26.5.21 (no PTR)
- 104.26.4.21
- 2606:4700:20::681a:415
- 2606:4700:20::681a:515
- 2606:4700:20::ac43:442e
Mail Server IPs
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
kolton.ns.cloudflare.com dns.cloudflare.com 2400122065 10000 2400 604800 1800
Primary NS (mname)
kolton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400122065
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kolton.ns.cloudflare.com
treasure.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; fo=1; pct=100; ri=7
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
6 records- sophos-domain-verification=f572805639dab4ee8dd607f4551fca114f4b635212edd5116d1cd8c39d8ffe8d
- ucb35119sb5qqbpvjm0p58tsn8
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all
- 84pl8ij48ulvkehlv7bour63lt
- kjg0iokelvpho31m3vgqaihiri
- mscid=nRPnojHeMQ3Long1Axu+ltlO5F0KFgIFBQ1/EchWX+/ZC/D15cMcfBvIjVwVCxEqScSZA1OQ3AD9Xw0U/0zLeQ==
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