Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syscom.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 06:05:18 UTC · ↺ Refresh
MX Hostnames
- mail.syscom.com.co
MX Priorities
- fondonovafem-com.mail.protection.outlook.com: 0
A / AAAA Records
- 45.169.253.158 ↩ autofactura.syscom.com.co
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
sion2.hostingred.net knux.hostingred.com 2026032603 3600 3600 604800 3600
Primary NS (mname)
sion2.hostingred.net
Admin Email (rname)
knux@hostingred.com
Serial
2026032603
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
sion2.hostingred.net
sion1.hostingred.net
SPF Record
✓ Strict (-all)
v=spf1 include:smtp.email.sa-bogota-1.oci.oraclecloud.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:smtp.email.sa-bogota-1.oci.oraclecloud.com -all
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