sim.com.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sim.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 04:18:19 UTC · ↺ Refresh

MX Hostnames

  • sim-com-co.mail.protection.outlook.com

MX Priorities

  • sim-com-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 195.250.27.25 ↩ s3413.mex1.stableserver.net

Mail Server IPs

  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mysecurecloudhost.com servers.mysecurecloudhost.com 2026032100 3600 1800 1209600 86400
Primary NS (mname)
ns1.mysecurecloudhost.com
Admin Email (rname)
servers@mysecurecloudhost.com
Serial
2026032100
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.mysecurecloudhost.com
ns2.mysecurecloudhost.com
ns4.mysecurecloudhost.com
ns1.mysecurecloudhost.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:195.250.27.25 include:spf.mysecurecloudhost.com ip4:216.238.75.179 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ruf=mailto:[email protected]; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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

2 records
  • SPFv=spf1 ip4:195.250.27.25 include:spf.mysecurecloudhost.com ip4:216.238.75.179 include:spf.protection.outlook.com -all
  • MS=C5295E7629DD4568E32DCA14A5078D1E5C8DC6A2
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