fs.co

Valid Email Server
Domain Lookup › fs.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fs.co
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 01:26:53 UTC · ↺ Refresh

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MX Hostnames

  • cluster1.us.messagelabs.com
  • mailb2.fs.co
  • cluster1a.us.messagelabs.com
  • fs-co.mail.protection.outlook.com
  • mailb1.fs.co

MX Priorities

  • cluster1.us.messagelabs.com: 10
  • mailb1.fs.co: 30
  • fs-co.mail.protection.outlook.com: 40
  • cluster1a.us.messagelabs.com: 20
  • mailb2.fs.co: 30

A / AAAA Records

  • 200.9.94.181

Mail Server IPs

  • 67.219.247.202 ↩ mail930.messagelabs.com
  • 67.219.246.215 ↩ mail901.messagelabs.com
  • 67.219.246.210 ↩ mail909.messagelabs.com
  • 67.219.246.208 ↩ mail907.messagelabs.com
  • 67.219.250.212 ↩ mail943.messagelabs.com
  • 67.219.250.215 ↩ mail948.messagelabs.com
  • 67.219.247.106 ↩ mail923.messagelabs.com
  • 67.219.250.218 ↩ mail951.messagelabs.com
  • 200.9.94.37 ↩ mailb1.bancocajasocial.com.co
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.50.4
  • 52.101.194.0
  • 52.101.11.2
  • 2a01:111:f403:c946::6
  • 2a01:111:f403:c801::1
  • 2a01:111:f403:c902::2
  • 2a01:111:f403:f802::2
  • 34.75.172.113
  • 190.66.3.38
  • 190.66.3.37

SOA Record

Raw SOA dns1.telecom.com.co postmaster.telecom.com.co 2014031994 10800 3600 604800 86400
Primary NS (mname)
dns1.telecom.com.co
Admin Email (rname)
postmaster@telecom.com.co
Serial
2014031994
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns1.telecom.com.co
dns.telecom.com.co

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.messagelabs.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 mx include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.messagelabs.com ~all
  • MS=FC1F9598A8D35CDAEDF0B8D1525FCD87640D7755
  • F0U6N59127
  • MS=ms59121682
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